Entries |
Document | Title | Date |
20080254803 | Method of Scheduling Cell Search Operations - A method of scheduling cell search activity in a mobile communication user terminal ( | 10-16-2008 |
20080254804 | Scheduling of Mobile Terminals in a Mobile Communication System - The invention relates to a method for scheduling mobile terminals within a mobile communication network and to a base station performing this method. Further, the invention relates to a method for acting upon the reception of scheduling grants in a mobile communication system and to a mobile terminal performing this method. To allow the serving cell to control resource utilization for uplink transmissions of UEs in soft-handover, without thereby decreasing the system throughput of UEs in the serving cell which are not in soft-handover, the invention proposes to use control information transmitted via a shared absolute grant channel to the UEs along with an absolute grant, wherein the control information indicate whether the absolute grant is valid for mobile terminals in soft-handover only. | 10-16-2008 |
20080261602 | BACKHAUL NETWORK FOR FEMTO BASE STATIONS - Providing an inter-femto Base Station (fBS) network to facilitate low interference, low power cellular access utilizing two or more fBSs is provided herein. For example, a group of fBSs can be inter-connected by a wired and/or wireless communication network. Multiple fBSs then can link with a mobile device and coordinate cellular traffic amongst the fBS network to facilitate hand-off related communication. Additionally, cellular traffic can be forwarded from one or more fBSs to an appropriate fBS designated to carry cellular traffic for each mobile device. Furthermore, by inter-connecting multiple fBSs, multi-base station cellular-type hand-off can be supported by the fBS network, while preserving predetermined cellular interface constraints associated with such mobile devices. | 10-23-2008 |
20080268852 | Delayed Base Station Relocation in Distributed Radio Access Networks - The present invention relates to a method for relocating control plane functionality of a serving base station in a mobile communication system comprising a mobile terminal and a plurality of base stations. Further, the present invention relates to a base station in a mobile communication system and to the mobile communication system. To tackle potentially intolerable delay of control signaling due to frequent serving network element relocations in the network architecture the present invention suggests a partial relocation of a serving network element wherein the control plane functionality is relocated but connection to the core network via a gateway is maintained through the previous serving network element. A further aspect of the present invention suggests a total relocation, where control plane functionalities are relocated and where a new connection to the core network is established between the new serving network element and the gateway. Also decision criteria on whether to perform partial or total relocation are provided. | 10-30-2008 |
20080268853 | METHOD OF SHARING MOBILE UNIT STATE INFORMATION BETWEEN BASE STATION ROUTERS - The present invention provides a method of operating a first base station router. The method may include transmitting state information associated with at least one inactive mobile unit to at least one second base station router. The state information is usable to initiate an active session with the at least one inactive mobile unit. The first base station router retains the state information for initiating an active session with the at least one inactive mobile unit and the least one second base station router is capable of initiating an active session with the at least one inactive mobile unit based on the state information when the state information is unavailable to the first base station router | 10-30-2008 |
20080287132 | Method, Computer Program And Base Station For Prediction Based Allocation Of Processing Resources In A Non-Serving Base Station - The present invention relates to a base station and a method in a mobile telecommunication network for allocating and de-allocating uplink base station processing resources to a mobile terminal. The base station are adapted to communicate to a mobile terminal on an uplink channel supporting macro-diversity, and the base station is adapted to be a non-serving base-station without control of the resource allocation to the mobile-terminal. The base station comprises means for predicting a likelihood of successful decoding of a future transmission, and means for allocating or de-allocating processing resources based on said prediction. | 11-20-2008 |
20080287133 | SOFT HANDOFF SYSTEM, MOBILE TERMINAL HAVING THE SAME, AND SOFT HANDOFF METHOD - Disclosed are a soft handoff system, a soft handoff method, and a mobile terminal equipped with the soft handoff system. The soft handoff system for a mobile terminal analyzes periodically monitored wireless conditions of neighbor base stations, transmits a PSMM (Pilot Strength Measurement Message) to a current base station when a condition arises that needs reporting to the current base station, receives an HDM (Handoff Direction Message) from the current base station, wherein upon receiving the HDM from the current base station, the system allows a handoff drop timer of an active base station belonging to an active set having a pilot channel signal strength less than a predetermined value to continue running rather than to be reset until the handoff drop timer expires. | 11-20-2008 |
20080299979 | Handoff Method and Apparatus for Terminal Based on Efficient Set Management in Communication System - A handoff method and apparatus for a terminal based on efficient set management. A pilot search rate for base stations of a neighbor set is increased, thereby preventing a failure to perform a necessary idle handoff or a failure to receive a paging message for a call connection. A terminal checks if it is in an idle state or in a traffic state, and measures the pilot energy of the BS of the active set and the pilot energy of a BS of the neighbor set with different pilot measurement patterns according to the checked state. The terminal measures the pilot of the BS of the active set and the pilots of at least one BS of the neighbor set while in the idle state. The terminal in the idle state operates in a sleep mode upon reception of information indicating that there is no paging channel, thereby minimizing its power consumption. | 12-04-2008 |
20080318579 | Techniques for Resource Block Mapping in a Wireless Communication System - A technique of operating a wireless communication device includes creating a resource block map by associating respective subscriber station identifications, corresponding to respective subscriber stations, with one or more resource blocks. The respective subscriber station identifications and the resource block map are transmitted, from a serving base station, in one or more control channel symbols. | 12-25-2008 |
20090005049 | Base Station Apparatus And Wireless Transmission Method - A base station apparatus capable of effectively distributing resources of a wireless communication system, enhancing the throughput and increasing the number of users accommodated in the communication system. This apparatus increases or reduces, in accordance with the traffic of the communication system, the repetition number of transport data addressed to a mobile station being under a soft handover. For example, when the resource usage rates of BS | 01-01-2009 |
20090005050 | Method For Handover in Mobile Communication System - A method for handover in a mobile communication system is disclosed, by which traffic is transmitted on an optimal path. In a communication system including at least one radio network node communicating with a mobile terminal and an access node controlling the radio network node, the present invention includes the steps of making a request for the handover of the mobile terminal to a specific second radio network node and the access node from a first radio network node communicating with the mobile terminal, notifying the first radio network node and the access node of a result of the handover request by the second radio network node, and controlling traffic transmissions to the first radio network node and the second radio network node according to the handover request and a result notification of the handover by the access node. | 01-01-2009 |
20090017826 | METHOD AND APPARATUS FOR HANDOVER AND SESSION CONTINUITY USING PRE-REGISTRATION TUNNELING PROCEDURE - A method and apparatus for session continuity using pre-registration tunneling procedure are disclosed. For session continuity, a tunnel is established between a multi-mode wireless transmit/receive unit (WTRU) and a core network of a target system via a source system while the WTRU is still connected with the source system. An access procedure is performed toward the target system using the tunnel. A handover is the performed from the source system to the target system once the access procedure is complete. The access procedure includes session initiation protocol (SIP) registration, authentication of the WTRU at the target system, and internet protocol (IP) configuration. The handover may be from a third generation partnership project (3GPP) system to a non-3GPP system, or vice versa. | 01-15-2009 |
20090023450 | SYSTEM AND METHOD FOR HANDOFF OF SESSION FROM VOIP INTERFACE TO CELLULAR INTERFACE OF DUAL-MODE DEVICE - A method and system for handing off an active VoIP call with a remote party from a VoIP interface of a dual-mode device to a cellular interface of the dual-mode device. A cellular call is established between a PBX IP/PSTN gateway and the cellular interface. Media relating to the first termination point of the VoIP leg of the active call is then redirected to the cellular call and the VoIP leg is terminated. | 01-22-2009 |
20090042578 | METHOD AND SYSTEM FOR CONTROLLING RADIO COMMUNICATIONS NETWORK AND RADIO NETWORK CONTROLLER - A method and system are disclosed for controlling radio communications between a terminal (MS, TE) and a communications system (CN, GRAN). A communications connection between the system and the terminal is established by an active radio network controller (RNC) and an active base station (BS). In one embodiment, data communications within the communications connection is directed to the active radio controller by a second radio network controller. | 02-12-2009 |
20090047966 | METHOD FOR A HETEROGENEOUS WIRELESS AD HOC MOBILE INTERNET ACCESS SERVICE - A server is configured to authenticate an adhoc service provider to provide a wireless access point to a network for a mobile client, the processing system being further configured to authenticate the mobile client to use service provided by the adhoc service provider, wherein the processing system is further configured to establish a tunnel between the server and the mobile client through the adhoc service provider. | 02-19-2009 |
20090061880 | Method for Optimizing Exchanges of Information on Acknowledgement in Asynchronous Communication Between Terminal and Network - In a method for optimizing exchanges of acknowledgement signals between a mobile equipment in asynchronous communication with a plurality of base stations of a cellular telecommunication network, the terminal sends data to the base stations and each base station is likely to return to the terminal a positive acknowledgement ACK or negative acknowledgement NACK. The method includes the steps of: synchronizing the mobile equipment with the network; and estimating quality of downlink communication between each base station and the mobile equipment on at least one standardized channel, such that if at least one base station returns an acknowledgement to the mobile equipment, the mobile equipment only requests a NACK from the base stations whilst the data is continuously being transmitted, and if all the base stations return a NACK to the mobile equipment, the mobile equipment only requests an ACK from the base stations during the current communication. | 03-05-2009 |
20090061881 | SEAMLESS TRANSMISSION OF DATA TO MOBILE NODES DURING FAST HANDOVERS IN A MOBILE COMMUNICATION SYSTEM - The invention relates to a method for transmitting data to a mobile node. A network access entity is connected to several routing entities, forming a routing area. The mobile node is located within a reception area, controlled by a first routing entity. A moving velocity of the mobile node is continuously being calculated and compared to a predetermined threshold. In case the moving velocity is not higher than the threshold, the data is transmitted from the network access entity to the first routing entity and from there to the mobile node. In case the velocity is higher than the threshold, the data is transmitted from the network access entity to each of the routing entities within the routing area and is then further transmitted from the first routing entity to the mobile node. | 03-05-2009 |
20090069017 | Mobile communication system, mobile station, and radio base station - When an HSDPA and an Enhanced Uplink are applied, a dedicated physical channel, a high speed dedicated physical control channel, and an enhanced dedicated physical control channel are made to follow only a TPC bit of a serving cell; and when a received power of an enhanced dedicated physical data channel is large, a non-serving cell instructs a mobile station UE to reduce the transmission rate of the enhanced dedicated physical data channel so that an interference power from an adjacent cell in an uplink is controlled while communication quality in a downlink is prevented from deteriorating. | 03-12-2009 |
20090088167 | Method and apparatus to estimate relative base station and subscriber terminal locations and using it to increase frequency reuse - Method for estimating position information of base stations as well as terminals for three dimensional centralized real-time spectrum management to achieve high spectral efficiency. In one aspect of the invention, the method comprises i) understanding the position information of plurality of base stations, wherein the plurality of terminals and the base stations form a wireless network, ii) determining, at the central controller, position of a terminal via plurality of communication wirelessly between the base stations and a terminal and between the base station and the central controller, iii) applying network wide real time knowledge at the central controller to electronically steerable antennas to use a resource in a different direction then where it is used by other base stations to achieve frequency reuse of one. | 04-02-2009 |
20090117909 | SOFT HANDOVER METHOD IN MULTIPLE WIRELESS ACCESS NETWORK ENVIRONMENT AND SERVER FOR THE SAME - A soft handover method in a multiple wireless access network environment and a server for the same are provided. The present invention provides a handover method comprising: a first access point registering a user terminal with a registration server; reporting a wireless channel state of the first access point to the registration server; the first access point receiving traffic distributed from the registration server; and determining whether the handover is completed according to the distributed traffic. | 05-07-2009 |
20090124262 | EFFICIENT NEIGHBOR LIST CREATION FOR CELLULAR NETWORKS - A method of constructing a neighbor list for a plurality of sectors in a cellular communication environment sorts reference neighbor pairs in the network by number of occurrences based on data derived from one or more PSMM transmissions, analyzes pairs in the sorted list and determines for each pair whether a percentage of occurrence exceeds a first threshold and whether a measure of direct transition statistics exceeds a second threshold. If the percentage of occurrence exceeds a first threshold and the measure of direct transition statistics exceeds a second threshold, then if the reference's neighbor list and reciprocal neighbor list have fewer than a predetermined number of neighbors, the process adds neighbors to the reference's NL and reciprocal NL in order of occurrence percentage to create a final neighbor list. | 05-14-2009 |
20090131059 | COMMUNICATION METHOD AND SYSTEM, DATA TRANSMISSION METHOD AND SYSTEM, AND COMMUNICATION MODE COMBINATION METHOD AND SYSTEM - A communication method based on a plurality of softer handoff groups is provided, which includes: dividing various services into different characteristic services according to characteristics of the services; and selecting at least one softer handoff group as a serving cell of a terminal according to the characteristic services subscribed by the terminal. A communication system, a data transmission method and a data transmission system, and a communication mode combination method and a communication mode combination system based on a plurality of softer handoff groups are further provided. With the above technical solutions, through selecting a plurality of softer handoff cells as the serving cell, the requirement of simultaneous transmission of wideband service data is satisfied and the system efficiency is enhanced, thereby improving the resource utilization rate. | 05-21-2009 |
20090143069 | Method And Means For Reducing Interference Peaks During Soft Handover - The invention relates to a method for reducing the number of uplink interference peaks during soft handover from a radio base station (RBS A) providing a source cell ( | 06-04-2009 |
20090149185 | METHOD AND APPARATUS FOR REDUCING MISSED PAGING MESSAGES AND PAGING LATENCY DURING CELL RESELECTION IN A WIRELESS NETWORK - A mobile station anticipates that an asynchronous idle handover or cell reselection is about to occur and just prior to the occurrence will determine if the idle mode handover/cell reselection interval will cause missing of a paging interval and thus a missed paging opportunity using an estimated handover duration. If not, then the mobile station will proceed with the idle mode handover ( | 06-11-2009 |
20090156218 | HANDING OFF ACTIVE CONNECTIONS - A connection is established between an access terminal and a first radio network controller through a first radio node. The first radio node is controllable primarily by the first radio network controller. The connection is maintained with the first radio network controller as the access terminal moves from a coverage area of the first radio node toward a coverage area of a second radio node. The second radio node is controllable primarily by a second radio network controller and controllable subordinately by the first radio network controller. A connection is also established through the second radio node. Upon a fulfillment of a predetermined criterion, the connection is transferred from the first radio network controller to the second radio network controller. | 06-18-2009 |
20090156219 | HANDOVER METHOD IN MOBILE NETWORK, MOBILE TERMINAL AND MOBILE NETWORK SYSTEM THEREOF - A method of performing handover in a mobile communication network, a mobile communication terminal using the same, and a mobile network system are provided. The method of performing handover in a mobile communication network includes: receiving QoS requirement on a mobile service basis from a user terminal; determining a most suitable mobile network to QoS requirement of a mobile service as a network for handover; and requesting handover to a base station of a mobile network determined as a network for handover. Therefore, in consideration of characteristics of a mobile network and a quality of a service used by a user, by determining handover to an optimum mobile network on a service quality basis, service interruption due to performing unnecessary handover can be prevented and by effectively distributing traffic of a mobile network, overload of a system can be prevented. | 06-18-2009 |
20090163213 | METHOD FOR MOBILE COMMUNICATION HANDOVER AND SYSTEM AND BASE STATION THEREOF - A method for mobile communication handover and a system and a base station thereof are disclosed in the embodiments of present invention, wherein the method includes steps: on the basis of first link which only bears DCH service and has already existed, adding a second link bearing DCH and E-DCH services and a third link bearing any service; making softer combining for the DCH service of the first link and the second link; in the case of failing to add the third link, informing radio network controller by carrying the DCH softer combining information and E-DCH service addition information which are not in a same diversity indication choice field in link addition failure message. The embodiment of present invention could enhance the successful ratio of communication handover, and maintain communication continuously. | 06-25-2009 |
20090170521 | SEAMLESS HAND-OFF OF BLUETOOTH PAIRINGS - Apparatus, methods, and systems are disclosed for pairing a first wireless device with a second wireless device and establishing an identifier. The first wireless device transmits to the second wireless device from the first wireless device with the identifier. The first wireless device shares the identifier with a third wireless device. This allows the third device to transmit to the second wireless device appearing as the first wireless device. The first wireless device stops transmitting while the third wireless device transmits. Since the third wireless device used the identifier for the first wireless device, the second wireless device believes is communicating with the first wireless device. | 07-02-2009 |
20090186617 | Best-Effort Macro Diversity - The present invention relates to a network node and a method for providing macro diversity in a radio telecommunications network comprising a radio base station providing a radio link to a mobile terminal, the radio base station comprises communication resources for supporting the radio link to the mobile terminal and for supporting transmission of data between the mobile terminal and a network node. The invention comprises:—receiving a signal from the mobile terminal; estimating a signal quality parameter for the received signal; sending a first message to the mobile terminal instructing the mobile terminal to adjust at least a first transmission parameter if the signal quality parameter is below a quality target; and if the signal quality parameter is above the quality target, and if lack of the resources prevents the radio base station to relay data between the mobile terminal and the network node, sending the first message to the mobile terminal instructing the mobile terminal to adjust the at least one transmission parameter | 07-23-2009 |
20090191879 | WIRELESS COMMUNICATION SYSTEM AND SOFT HANDOFF CONTROL METHOD IN WIRELESS COMMUNICATION SYSTEM - When measurement results of received radio wave intensities of wireless base stations, which demands a soft handoff, are received from a wireless terminal in a wireless communication system and when a base station controller attempts to acquire a traffic channel in a wireless base station, via which a wireless communication path will be added, in the state in which the channel resource usage rate of that wireless base station is over a threshold, a traffic channel may be acquired only if the ratio between the radio wave intensity of the wireless base stations establishing communication paths and the radio wave intensity of the wireless base station via which a communication path will be added is higher than a threshold or if the difference between the radio wave intensity of the wireless base stations and the radio wave intensity of the wireless base station smaller than a threshold. | 07-30-2009 |
20090258651 | Method For Reducing Uplink Traffic Load On Transport Network At Basestation During Soft Handover - The present invention relates to a node and a method thereof for a mobile telecommunication network connectable to a controlling node and wirelessly connectable to mobile terminals. The node is adapted to have an uplink connection to a mobile terminal, wherein the mobile terminal is adapted to have a second uplink connection to at least a second node such that data transmitted from the mobile terminal may be received at the node and at the at least the second node. The node comprises means for estimating whether data transmitted from the mobile terminal received at the at least the second node is received stronger than the data received at said node and means for discarding data received from the mobile terminal if it is estimated that the data is received stronger at the at least the second node than the data received at said node. | 10-15-2009 |
20090275337 | Mobile communications system, handover controlling method, radio network controller, and mobile terminal - A radio network controller | 11-05-2009 |
20090275338 | USING WAKE-UP RECEIVERS FOR SOFT HAND-OFF IN WIRELESS COMMUNICATIONS - Multiple standards based radio (“SBR”) devices, each having a high-gain directional antenna, are utilized in a remote sensor interface (“RSI”) unit to optimize detection and reception by the RSI of radio signals from gateway controllers, hopping radios, and other wireless devices. | 11-05-2009 |
20090305706 | COMMUNICATION TERMINAL, BASE STATION CONTROLLER AND MOBILE COMMUNICATION METHOD - A communication terminal according to the present invention includes a determination unit configured to determine whether or not each channel should be set as a handoff candidate on the basis of receiving quality of a pilot signal, and a channel information report transmitter configured to transmit a channel information report for setting a specific channel as a handoff candidate if the number of channels set as handoff candidates in the same sector reaches a predetermined number or more by setting the specific channel as a handoff candidate. | 12-10-2009 |
20100003989 | RECEIVER WITH AFC FUNCTION FOR OPERATING IN SOFT HANDOVER - A receiver having Automatic Frequency Control (“AFC”) is described having at least one input signal terminal and an offset frequency estimation means for estimating each offset frequency of at least two predetermined input signals inputted at the same time at the input signal terminal. The access to the receiver of each input signal is respectively modulated and identified by a distinct code, and in addition an AFC means is included to perform automatic frequency control of a voltage control oscillator serving as a frequency reference of the receiver. The AFC means described in the present invention is operative to provide a unique compensation command defined as a function of a combination of at least two analytical terms, each term respectively depending on the estimated offset frequency of the corresponding input signal. | 01-07-2010 |
20100003990 | MOBILE COMMUNICATIONS SYSTEM, MOBILE STATION AND BASE STATION - In a mobile communications system in which a mobile station is capable of communicating simultaneously with a plurality of base stations, the resources of the plurality of base stations are managed under the control of the mobile station. For example, the mobile station specifies a resource to a base station with a resource specifying signal, the mobile station specifies a resource to a base station with a resource specifying signal, and the mobile station specifies a resource to a base station with a resource specifying signal. | 01-07-2010 |
20100015985 | METHODS FOR CONTROLLING RADIO LINKS IN A CELLULAR COMMUNICATION SYSTEM - A method for controlling radio links in a cellular communication system. The method comprises: receiving an active set update message from the system controller via at least one of the first radio link and the second radio link at the first user equipment to direct the first user equipment to terminate the first radio link, determining a communication status of the first radio link according to a current quality of the first radio link and a current quality of the second radio link after receiving the active set update message, and managing the first radio link and the second radio link according to the communication status. | 01-21-2010 |
20100035618 | COMMUNICATION TERMINAL APPARATUS, NETWORK SYSTEM AND HANDOVER METHOD - A communication terminal apparatus wherein even if there occurs a dropout or overtaking of call control messages, the current service can be continued without increasing the load of an apparatus such as a server in the network. In this apparatus, a VoIP call control part ( | 02-11-2010 |
20100048214 | WIRELESS LINE CONTROL STATION, BASE STATION, MOBILE STATION, MOBILE COMMUNICATION SYSTEM AND MOBILE COMMUNICATION METHOD - A radio network controller includes: a determination unit configured to determine a transmit diversity method to be used to transmit a signal from a base station to a mobile station, in accordance with a soft handover status of the mobile station; and an instruction/notification unit configured to instruct the transmit diversity method to the base station, in accordance with the determination result by the determination unit. | 02-25-2010 |
20100062775 | DATA COMMUNICATION NETWORK AND DATA COMMUNICATION METHOD USING TRANSMISSION OF SOFT-DECISION INFORMATION - A data communication network to transmit and/or receive data using soft-decision information is provided. A target access point in a data communication network may compute soft-decision information with respect to information bits corresponding to a transmission symbol, and transmit the computed soft-decision information to a destination device or an access point connected to the destination device. The destination device or the access point connected to the destination device may combine soft-decision information of a plurality of access points, and detect information bits based on the combined soft-decision information. | 03-11-2010 |
20100062776 | COMMUNICATION TERMINAL APPARATUS, COMMUNICATION SYSTEM AND SEAMLESS HANDOVER METHOD - A communication terminal apparatus, a communication system and a seamless handover method wherein even when a seamless handover occurs during implementation of a call control protocol, the call control protocol as to a call origination or reception can be continued. The communication terminal apparatus ( | 03-11-2010 |
20100093357 | TRANSMISSION POWER OFFSET ARBITRATION BETWEEN BASE STATIONS DURING SOFT HANDOFF - A transmission power control method for controlling a transmission power of an E-RGCH for uplink user data transmitted from a cell controlled by a radio base station to a mobile station, includes: notifying, from a radio network controller to at least one radio base station controlling a first cell and a second cell, offsets between the transmission power of the E-RGCH and a transmission power of a DPCH, when a mobile station is performing a soft-handover with the first and second cell; determining, at the first cell, a transmission power of a first E-RGCH based on a notified offset, and transmitting the first E-RGCH to the mobile station using the determined transmission power; and determining, at the second cell, transmission power of a second E-RGCH based on a notified offset, and transmitting the second E-RGCH to the mobile station using the determined transmission power. | 04-15-2010 |
20100099416 | MIMO Mode Selection at Handover - When a handover is to be performed of a user equipment from a serving radio base station to a target radio base station, it is ensured before the handover that the user equipment is operating in a MIMO mode that is supported by the serving radio base station and by the target radio base station. This can be done by comparing a first mode list, which includes potential MIMO modes jointly supported by the user equipment and the serving radio base station, and a second mode list, which includes potential MIMO modes jointly supported by the user equipment and the target radio base station, to form a common mode list. | 04-22-2010 |
20100136979 | CELL SELECTION HANDOFF FOR CDMA2000 1X ADVANCE - An apparatus for performing a soft handoff including a power estimator, cell selector, and feedback channel generator. The power estimator receives a plurality of pilot signals that each correspond to an associated base station within an active set registry, and estimates a power level for each of the plurality of pilot signals. The cell selector is coupled to the power estimator, and is configured to select one or more base stations within the active set registry for selective blanking of a corresponding one or more of the plurality of pilot signals during a soft handoff operation. The feedback channel generator is coupled to the cell selector, and is configured to generate a cell selection feedback signal indicating the one or more base stations, where the cell selection feedback signal is subsequently transmitted to the one or more base stations, and where the cell selection feedback signal directs the one or more base stations to perform the selective blanking. | 06-03-2010 |
20100184441 | TRANSMISSION OF USEFUL AND CONTROL INFORMATION DURING SOFT HANDOVER - First and second network-based radio stations receive information content, i.e., useful information, transmitted by a subscriber station and control information relating to the useful information. The first network-based radio station and the second network-based radio station transmit the control information, but only the first network-based radio station transmits the useful information. | 07-22-2010 |
20100234030 | METHOD OF CELL ASSIGNMENT IN CELLULAR COMMUNICATIONS NETWORKS USING MACRODIVERSITY - A method of selecting a cell from a certain active set of cells ( | 09-16-2010 |
20100248727 | COMMUNICATION SESSION SOFT HANDOVER - While receiving content for a service at a user device via a particular delivery route, detecting a request for delivery of subsequent content for the service via a secure alternate delivery route. The user device may concurrently receive delivery of the subsequent content via the particular delivery route and the secure alternate delivery route. The detected request may be generated based on QoS associated with the received content of the service. The detected request may be received from a communication network and may comprise identification information for the particular delivery route. The secure alternate delivery route may be determined based on the identification information for the particular delivery route. A communication session profile may be generated and/or determined based on the secure alternate delivery route. The communication session profile is utilized for the requested delivery of the further content via the secure alternate delivery route. | 09-30-2010 |
20100317350 | SOFT HANDOVER FOR MOBILE DEVICE - A method implemented in a mobile device includes identifying a target wireless network for a handover, where the target wireless network uses a different access technology than an existing wireless network being used by the mobile device. The mobile device determines that a signal for the existing wireless network meets an early registration trigger threshold and initiates, based on the determining, an early registration of the mobile device with the target wireless network, where an early registration is performed at a sufficient time prior to the actual handover to preclude a registration delay associated with the handover to the different access technology. | 12-16-2010 |
20110014918 | CELLULAR COMMUNICATION SYSTEM AND A METHOD OF OPERATION THEREFOR - A cellular communication system is supported by first physical layer processes, second layer user plane control processes and third layer control plane control processes. The first layer process is executed in a base station ( | 01-20-2011 |
20110014919 | Apparatus and Method to Perform Fast Neighbor List Search During a Transfer to a Different RAT Target System - A method, an apparatus, and a computer program product for wireless communication are provided for reducing the amount of time for sending a measurement report message, such as a Pilot Strength Measurement Message (PSMM), after sending a completion message in wireless communication. A first radio access technology is monitored, and an indication is received on a second radio access technology. Before a transfer is made to the second radio access technology based on the indication, a UE receives neighbor information for the second radio access technology via the first radio access technology. Thereafter, a transfer is performed to transfer the UE from the first radio access technology to the second radio access technology. | 01-20-2011 |
20110014920 | Method and Node in a Communications Network - The invention relates to a method in a node for ordering a handover process to handover a user equipment, being in active mode, from a first cell of a first frequency to second cell of a second frequency, being different than the first frequency, comprising the steps of: receiving ( | 01-20-2011 |
20110021200 | METHOD, SYSTEM AND EQUIPMENT FOR SHIFTING CALL BASED ON A MOBILE TERMINAL WITH THE SAME NUMBER AND A SOFT TERMINAL - A method for switching call between a mobile terminal with the same number and a soft terminal includes: receiving the switching instruction information sent by the soft terminal user during the call between the soft terminal or the mobile terminal with the same number and the opposing user; confirming the type of the switching instruction information, and carrying out the switching performance between the mobile terminal with the same number and the soft terminal according to the type of the switching instruction information. A system and an equipment for switching call between a mobile terminal with the same number and a PC client are disclosed in the present invention. | 01-27-2011 |
20110053600 | MACROCELL TO FEMTOCELL AND FEMTOCELL TO FEMTOCELL HANDOFF - A Wireless Soft Switch (WSS) and method for handing off a Mobile Station (MS) from a Macrocell Base Station (MBS) to Femtocell Base Station (FBS), and a FBS and method for handing off from the FBS to another FBS, are provided. A method for handing off an MS from an MBS to a target FBS in a wireless network receiving, by a Wireless Soft Switch (WSS), a message indicating that handoff of an MS to an FBS should be performed, determining, by the WSS, one or more candidate FBSs for the handoff, determining, by the WSS, the target FBS, from the one or more candidate FBSs, to which the MS is to handoff, and exchanging messages with the MS, MBS, and the target FBS for the handoff of the MS from the MBS to the target FBS. | 03-03-2011 |
20110105128 | SYSTEM INFORMATION MANAGEMENT IN WIRELESS COMMUNICATION SYSTEMS - A method in a wireless communication entity includes storing system information of a first base station when it is within coverage of the first base station and attached to a second base station, determining that the mobile station is no longer within the coverage of the first base station subsequent to storing the system information of the first base station, and deleting the stored system information of the first base station. | 05-05-2011 |
20110117920 | MOBILE TERMINAL AND COMMUNICATION METHOD - A mobile terminal used in a wireless communication system including a first wireless base station where a handover is not allowed between the same type of wireless base stations and a second wireless base station where a handover is allowed between the same type of wireless base stations, the mobile terminal includes a handover executing unit which executes first handover processing that switches a communication destination of the mobile terminal from the first wireless base station to the second wireless base station while communicating with the first wireless base station and a disconnecting unit which disconnects communication between the mobile terminal and the second wireless base station when the communication destination of the mobile terminal has not returned from the second wireless base station to the first wireless base station within a predetermined time. | 05-19-2011 |
20110130144 | HANDOFF IN A SELF-CONFIGURING COMMUNICATION SYSTEM - Methods, devices, and computer program products facilitate various handoff operations to/from a network. A self-configuring and self-optimizing topology discovery operation provides detailed information regarding the various radio nodes that are internal and external to the network. This information is utilized to construct a plurality of neighbor lists that identify multiple tiers of neighboring radio nodes of the network. The neighbor lists and the measurements obtained from the user equipment within the network provide up-to-date information that facilitates various types of handoff operations. | 06-02-2011 |
20110130145 | Transmission Power Control Method and System - A transmission power control technique allowing stable and reliable signal transmission in soft handover is disclosed. Each of the base stations involved in soft handover measures an amount of loss of the base station selection signal. When the amount of loss of the base station selection signal exceeds a threshold, the transmission power of the downlink signal is not set to the minimum level but to the normally controlled level. Further, a transmission power update timing of each base station is determined so that the downlink signal received at the mobile station changes in transmission power at a predetermined timing synchronized with that of other base stations. | 06-02-2011 |
20110151877 | ACTIVE SET MODIFICATION TO RELEASE BACKHAUL CAPACITY - System(s), method(s), and device(s) that enable release of backhaul capacity associated with base stations are presented. During soft handover, a communication device can have its connection maintained with more than one base station. A link controller component can identify a radio link having the highest quality and can determine the relative backhaul load of each base station communicating with the communication device. The link controller component determines whether the base station having the highest radio link quality is experiencing the heaviest backhaul load relative to the other base stations. If the base station with the highest link quality does not also have the heaviest backhaul load, the link controller component identifies the base station having the heaviest backhaul load and the identified base station can have its status modified with respect to the communication device for a desired period of time, in accordance with predefined status modification criteria. | 06-23-2011 |
20110159876 | Cooperating Receiver Selection for UMTS Wireless Location - For Wireless Communications Networks (WCNs) that support soft handover, cooperator receiver selection for a TDOA, AOA, TDOA/AOA, or hybrid network-based or network-overlay Wireless Location System (WLS) must contend with one or more network base stations as a serving cell. When the active set contains more than one member, two techniques for determining a set of cooperating and demodulating receivers to use in the signal collection for location estimation is disclosed. In one embodiment, the active set members are constructively reduced to a single member that is used as a proxy serving cell. In another embodiment, the information contained in the active set membership is retained and a new set of demodulating and cooperator receivers are generated based on the entire membership of the active set. | 06-30-2011 |
20110183677 | RADIO BASE STATION APPARATUS - The present invention provides a radio base station apparatus that is capable of freely expanding an area, improving the degree of freedom in designing of the area significantly and reducing the equipment investment. The radio base station apparatus includes: a plurality of transmission/reception units which are remotely installed in a service area and to which necessary numbers of carriers and sectors are assigned in accordance with the respective installation areas; a modulation/demodulation unit which can set/modify the soft handover enabled range and modulates/demodulates a signal transmitted/received to/from the transmission reception units; and a selector switch which is connected to the transmission/reception units remotely installed in the service area via cables so as to select connections between the modulation/demodulation unit and the transmission/reception units. | 07-28-2011 |
20110195718 | SYNCHRONIZATION OF RADIO LINKS FOR A USER EQUIPMENT - A method of providing assistance for synchronization of a radio link in a communications network comprising at least a first network element, the method comprising the steps: making a decision to connect a user equipment to the first network element via a first radio link to transmit a signal discontinuously thereto; transmitting the signal continuously from the user equipment to the first network element via the first radio link; synchronizing the first radio link; and switching the user equipment to transmit the signal discontinuously after the first radio link is synchronized. | 08-11-2011 |
20110237262 | METHOD AND SYSTEM FOR SOFT HANDOFF IN MOBILE BROADBAND SYSTEMS - The present invention provides a method and system for facilitating efficient handoff and data throughput in mobile broadband communication systems. Methods implemented by a system constructed in accordance with the principles of the present invention include selectively enabled soft handoff, performing Layer 2 bearer functions at the base station and using the mobile device to coordinate soft handoff and interference avoidance without the need for a centralized coordination function. | 09-29-2011 |
20110244868 | METHOD AND SYSTEM FOR SOFT HANDOFF IN MOBILE BROADBAND SYSTEMS - The present invention provides a method and system for facilitating efficient handoff and data throughput in mobile broadband communication systems. Methods implemented by a system constructed in accordance with the principles of the present invention include selectively enabled soft handoff, performing Layer 2 bearer functions at the base station and using the mobile device to coordinate soft handoff and interference avoidance without the need for a centralized coordination function. | 10-06-2011 |
20110244869 | METHOD AND APPARATUS OF COMMUNICATION - A method for parameter management in a wireless cellular communications system, which includes a first base station and a second base station equipped for communications in the communications system, records one or more paging area parameters broadcast by a base station serving a neighbor cell of a cell served by the first base station. The paging area parameters form part of a relation of the first base station and are maintained by the first base station. The method further includes transferring the recorded paging area parameters from the first base station to the second base station. | 10-06-2011 |
20110281588 | COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER HANDOFF - A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio call control (RCC), receiving a traffic channel assignment message by the CEC, and receiving an indication of an addition of a new sector for the softer handoff by the SDU. | 11-17-2011 |
20110294511 | Signal Covering Method and Code Division Multiple Access Wireless Cellular Communication System - A signal covering method and a code division multiple access wireless cellular communication system are provided. In the signal covering method, multiple cells which are adjacent or close in physical location utilize same forwarding pilot frequency pseudo-random sequence to transmit same pilot frequency channel signal. The pilot frequency channel signal from the multiple cells is received by a terminal, and the same forwarding pilot frequency pseudo-random sequence is demodulated from the pilot frequency channel signal. The technical solution disclosed in the invention enables reducing switching frequency obviously when the terminal is on standby or busy, so as to avoid problem of dropped call caused by the frequent switching, reduces dropped call rate and improves stability of a code division multiple access (CDMA) wireless cellular communication system. | 12-01-2011 |
20110319088 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN FEMTOCELL DEPLOYMENTS - Methods and apparatuses are provided for determining one or more parameters of an access point that can be set or adjusted to mitigate interference to other access points. A rise-over-thermal (RoT) threshold can be set at an access point based on one or more parameters, such as pathloss measurements, location of the access point, etc., such that interference from devices communicating with the access point can be mitigated. In addition, a noise floor, RoT threshold, etc., can be adjusted based on determining a transmit power difference, out-of-cell interference, and/or similar measurements. | 12-29-2011 |
20120149379 | METHODS AND SYSTEMS FOR VARIABLE RATE BROADCAST WITH SOFT HANDOFF - Embodiments described herein relate to providing variable rate broadcast services with soft handoff in wireless communications. In an embodiment, a plurality of access points (e.g., servicing various cells in a broadcast area) may transmit a broadcast content in accordance with a rate set. The rate set may include a plurality of distinct data rates each associated with a transmission format, configured to allow the broadcast packets transmitted by the access points to be incrementally combined (e.g., on a per-slot basis at a subscribing AT). The data rates and corresponding transmission formats in the rate set may be selected in relation to the supportable data rates of the cells in the broadcast area, as well as the requirements for supporting soft handoff in these cells. | 06-14-2012 |
20120258720 | ACTIVE HAND-IN FOR MULTI-FEMTO DEPLOYMENTS - A method for enabling an active hand-in from a macro base station network to a femtocell network includes servicing an active hand-in of a mobile entity from a macro base station to a femtocell network, using a first femtocell of the femtocell network. The active hand-in includes a hard handoff of the mobile entity from the macro base station with soft handoff of the mobile entity enabled between the first femtocell and one or more neighboring femtocells in the femtocell network. The hard handoff with soft handoff enabled may be implemented using novel procedures implemented by one or more entities of a wireless communications network including the femtocells and macro base station. | 10-11-2012 |
20120276911 | Method and Apparatus for Efficient Serving Cell Change Using Multiple Parallel Timers - Methods and apparatus are described herein to manage a serving cell change. Timers are used to monitor one or more cells which become stronger relative to a cell which is currently the best cell. These one or more cells may be referred to as pending best cells. Further, in some aspects, additional timers can be started for any cell relative to any pending best cell when the respective cell becomes stronger than the respective pending best cell. | 11-01-2012 |
20120315916 | Handing Over Relayed Connections in Mobile Environment - A method, apparatus, and computer program for continuing transmission during handover are presented. A communication connection is established between a source base station and a mobile relay base station comprising a distributed antenna system (DAS). The DAS includes multiple spatially distributed antenna units (DAUs), wherein at least part of the DAUs are used for forming a cluster of sub-cells within a coverage area of the mobile relay base station and at least part of the DAUs are used for communicating with a fixed cellular network infrastructure over multiple backhaul links. A first backhaul link is then handed over from the source base station to a target base station. After the handover, data transfer between the source base station and at least one backhaul link still linked to the source base station is continued, and remaining backhaul link(s) are released from the source base station according to a determined criterion. | 12-13-2012 |
20130102316 | METHOD AND DEVICE FOR ANTENNA SEARCHING WITH ANTENNA SELECTION - Methods, devices, and computer program products for antenna searching with antenna selection are disclosed. In one aspect, an apparatus operable in a wireless communication system includes a first receiver, a second receiver, and a processor. The first receiver receives a first signal including pilot signals from a first antenna. The second receiver receives a second signal including pilot signals from a second antenna. The processor, while a receive diversity is enabled, demodulates the first and second signals, determines whether a first condition is satisfied, and, in response to determining that the first condition is satisfied, searches for pilot signals via the second receiver and not the first receiver. The first condition is satisfied when a signal strength of the first signal does not exceed a first threshold and a signal strength of the second signal exceeds a second threshold. | 04-25-2013 |
20130115960 | COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER HANDOFF - A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio call control (RCC), receiving a traffic channel assignment message by the CEC, and receiving an indication of an addition of a new sector for the softer handoff by the SDU. | 05-09-2013 |
20130137440 | Radio Receiver Apparatus of a Cellular Radio Network - A radio receiver apparatus of a cellular network, wherein the network allocates one or more cells to a particular connection of the radio receiver apparatus based on a feedback signal received from the radio receiver apparatus. The radio receiver apparatus includes a first measurement unit configured to measure at least one cell-specific first quantity indicative of a channel quality of a dedicated downlink channel. Further, the radio receiver apparatus includes a feedback signal generating unit configured to generate the feedback signal on the basis of the first quantity. | 05-30-2013 |
20130143577 | FREQUENCY OFFSET CORRECTION - Various methods and systems are provided for frequency offset correction. In one example, among others, a method includes determining a phase estimation of a RF signal, rotating a sample of the RF signal based at least in part upon the phase estimation, and determining a channel estimation based upon the rotated sample. The channel estimation may be derotated based at least in part upon the phase estimation. In another example, a communication device includes a phase rotator configured to rotate RF signal samples based upon a rotation offset, a channel estimation filter configured to determine channel estimates, and a phase derotator configured to rotate the channel estimates based upon another rotation offset. Another example of a communication device includes a differential detector configured to determine conjugate multiply results, an averaging filter configured to sum the results, and a phase estimator configured to determine a phase estimation based upon the sum. | 06-06-2013 |
20130196671 | Method and Apparatus for Maintaining a Virtual Active Set Including a Closed Subscriber Group Cell - A method, apparatus and computer program product are provided that establishes a virtual active set including a first closed subscriber group (CSG) cell. At least one measured result of each of the first CSG cell and a second CSG cell is measured and the virtual active set is updated by replacing the first CSG cell with the second CSG cell in response to at least one measured result of the second CSG cell having a predefined relationship to the at least one measured result of the first CSG cell for a time to trigger. In regards to updating the virtual active set, the first CSG cell may be replaced with the second CSG cell in response to the at least one measured result of the second CSG cell having a predefined relationship to the at least one measured result of the first CSG cell by at least a predetermined amount for the time to trigger. | 08-01-2013 |
20130225181 | MANAGING COMMUNICATION OPERATIONS BASED ON RESOURCE USAGE AND ACCESS TERMINAL CATEGORY - An access point may handle an access terminal in different ways based on resource usage at the access point and/or based on at least one category associated with the access terminal. This handling of an access terminal by an access point may involve, for example, a reduction or an increase in service, access to specific resources, handout, and long term adjustments. If usage of one or more resources at the access point exceeds a corresponding usage threshold, the access point may reduce the service available to lower priority access terminals and/or increase the service available to higher priority access terminals. In some aspects, access terminals may be handled differently according to the serving access point's bandwidth, capacity, cost, or resource usage regarding backhaul, over-the-air, or other access point resources. In some aspects, access terminals may be handled differently according to a category (or categories) associated with the access terminals. | 08-29-2013 |
20130337817 | COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER HANDOFF - A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio call control (RCC), receiving a traffic channel assignment message by the CEC, and receiving an indication of an addition of a new sector for the softer handoff by the SDU. | 12-19-2013 |
20140031046 | TRANSMISSION METHOD AND MOBILE STATION TO CARRY OUT THE METHOD - A method, in a cellular radio-communication system comprising a core network and an access network, the access network comprising base stations for providing wireless links to at least one mobile station, the mobile station being capable of operating in a first transmission mode in which beamforming transmit diversity is not used and in a second transmission mode in which beamforming transmit diversity is used. The method comprises switching from the second transmission mode to the first transmission mode upon determining that at least one predetermined criterion related to the mobile station operation in soft handover is satisfied. | 01-30-2014 |
20140038616 | DEVICES AND METHODS FOR CELLULAR COMMUNICATION - A method in a mobile device for use in a cellular network comprises commencing a radio resource control (RRC) connection reestablishment procedure. This procedure comprises performing a cell selection operation wherein one or more target cells which the mobile device may select for re-establishment are specified in handover information previously received at the mobile device. A corresponding method in a network component is provided. | 02-06-2014 |
20140094179 | COMMUNICATION SYSTEM, DATA RELAY APPARATUS, BASE STATION, MOBILE TERMINAL, AND COMMUNICATION METHOD - When transmitting data from a data relay apparatus to a mobile station through a plurality of base stations, the plurality of base stations add sequence numbers to the data and transmits the data with the sequence number. The data relay apparatus transfers a first data and second data to the mobile station through different base stations among the plurality of base stations, in which the data relay apparatus transfers the first data received before the second data to one base station and transfers the second data while adding thereto information indicating the reception order of the first and second data. Each of the plurality of base stations, when the data transferred from the data relay apparatus contains the information added thereto, adds the sequence number to the data based on the information and transmits the data with the sequence numbers to the mobile station. | 04-03-2014 |
20140187248 | INTERFERENCE CANCELLATION FOR WIRELESS COMMUNICATIONS - Techniques for improving the capacity of a wireless communications system using interference cancellation (IC). In an early decoding and IC aspect, a frame transmitted from a user to a base station may be decoded prior to the entire frame being received by the base station. The remaining portion of the frame may then be re-constructed at the base station prior to its reception, and cancelled from the receive signal to reduce the interference to frames received from other users. In a power control aspect for early decoding and IC, the power control target level at a local base station may be adjusted in response to successfully early decoding a frame, without affecting the overall outer loop power control operation. Further aspects include late decoding techniques for utilizing the IC of other users' signals to improve the probability of decoding a given user's frames, as well as techniques for traffic channel demodulation using channel re-estimation. | 07-03-2014 |
20140235252 | RADIO BASE STATION DEVICE, HANDOVER CONTROL SYSTEM, AND HANDOVER CONTROL METHOD - A radio cell station includes a call connection control section that controls a call connection of a radio personal station PS; and a position registration request section that requests, of a management device ME, a position registration. When a request for handover from a radio cell station CS | 08-21-2014 |
20140274068 | MOBILE TERMINAL AND METHOD FOR DETERMINING A RECEIVE WINDOW - A mobile terminal is described comprising a transceiver configured to establish, for each of a plurality of radio cells, a radio link to a base station operating the radio cell; a determiner configured to determine, for each radio cell, a timing of a downlink signal transmitted from the base station operating the radio cell to the mobile terminal and configured to determine, based on the timings, a timing for a receive window in which the transceiver is to buffer signal samples received via the radio cells and a controller configured to control the transceiver to buffer signal samples received via the radio cells during the receive window. | 09-18-2014 |
20140287763 | INTERFERENCE REDUCTION - A method of reducing inter cell interference in a wireless communication network, a network control node, network access node, user equipment and computer program product operable to implement that method. The method is for use in a network comprising a plurality of network access nodes, each supporting a region of radio overage, and the method comprises: discovering, for a first network access node, at least one adjacent network access node; allocating at least one predetermined shared radio channel for radio communication commenced within an overlapping radio coverage region between said first network access node and said adjacent network access node; and communicating an indication of said at least one predetermined shared radio channel to said first network access node and said adjacent network access node. The method enables shared radio channels to be used in a “soft handover” type scenario, by enabling adjacent network access nodes to decipher and decode transmissions made by user equipment operating in overlap regions in a network. Such methods may be particularly suited to user equipment operating in a Cell_FACH mode. | 09-25-2014 |
20140295852 | SOFT HANDOVER METHOD AND DEVICE - Embodiments of the present invention provide a soft handover method and device. The soft handover method includes: receiving a soft handover request sent by a home access node, where the soft handover request includes user plane information of the home access node and an identifier of an RNC; establishing a signaling connection mapping between the home access node and the RNC, and forwarding the soft handover request to the RNC; receiving a soft handover response returned by the RNC; establishing a user plane connection mapping between the home access node and the RNC, forwarding the soft handover response to an HNB based on forwarding user plane information, and forwarding user plane data. The technical solutions of the present invention implement a soft handover process between a macro cell and a home access node cell. | 10-02-2014 |
20140295853 | APPARATUS AND METHODS TO FACILITATE SEAMLESS HANDOFFS BETWEEN WIRELESS COMMUNICATION NETWORKS - Apparatus and methods for facilitating a handover of a wireless communication device on a first wireless communication network to a second wireless communication network, wherein the first and second wireless communication networks include communications protocols that are incompatible, are disclosed. The facilitation can include establishing communications between the wireless communication device and an interworking component of the second wireless communication network using a transparent tunnel through the first wireless communication network so that a message containing session information for the second wireless communication network can be exchanged. The facilitation further includes creating a profile on the second wireless communication network for a communication session between the wireless communication device and the second wireless communication network. | 10-02-2014 |
20140364128 | METHOD AND APPARATUS FOR HANDOVER IN COMMUNICATION SYSTEM - A method for a serving base station to determine a handover time in a communication system is provided. The method includes determining whether to set up dual connectivity (DC) with respect to a terminal with a target base station that transmits the beacon if it is recognized that the terminal receives a beacon including a plurality of pieces of service coverage area information, and determining whether to execute a handover to the target base station based on a measurement report of the terminal, which is received after the DC is set up if the DC is set up. | 12-11-2014 |
20140378148 | SYSTEMS AND METHODS FOR OPTIMIZING WIRELESS NETWORKS - A base station operates in a wireless communication network to provide communications coverage for user equipment. The base station maintains a neighbor list of information about other stations. The neighbor list can be autonomously created and updated using information from measurement reports from user equipment, measurement reports from receivers local to the base station, and configuration reports from remote base stations. The base station uses the neighbor list in managing certain operations in a communication network, for example, to determine potential targets for handover of user equipment. The neighbor list can also be used for self-organizing network (SON) operations, such as radio parameter and resource management, and load balancing. | 12-25-2014 |
20150296465 | Network Node, User Equipment, Methods Therein, Computer Program Product, and a Computer Storage Medium - Embodiments herein relate to a method in a network node ( | 10-15-2015 |
20160037419 | CONTROL METHOD FOR POWER CONFIGURATION ON HETEROGENEOUS NETWORK, AND USER EQUIPMENT - The present application provides a control method for power configuration on a heterogeneous network, and a user equipment. The control method for power configuration includes: determining whether the user equipment is in a soft handover area, in which a macro base station is used as a serving base station, between uplink and downlink balance points; when the user equipment is in the soft handover area, in which the macro base station is used as the serving base station, between the uplink and downlink balance points, increasing power of a dedicated physical control channel, so that the serving base station can normally receive a signal from the user equipment; and adjusting a power offset of an enhanced dedicated physical data channel to a first power offset, where the first power offset is any value in a flat area of an optimal power offset of the user equipment. | 02-04-2016 |
20160080997 | CELL HANDOVER METHOD AND APPARATUS - The present invention belongs to the field of communications, and discloses a cell handover method and a device. The method includes: determining, by a first base station to which a primary carrier cell belongs and according to a measurement report sent by user equipment UE, whether soft handover needs to be performed for the UE; if soft handover needs to be performed for the UE, transferring, by the first base station, a radio bearer RB between the first base station and the UE to a second base station to which a secondary carrier cell belongs; and selecting, by the first base station, a target cell according to the measurement report, and handing over the UE to a target base station to which the target cell belongs. The present invention can avoid service interruption caused when cell handover is performed for UE. | 03-17-2016 |
20160112918 | Method for Implementing Soft Handover Based on Carrier Aggregation Technology, Base Station, and Terminal - A method for implementing soft handover based on a carrier aggregation technology, a base station and a terminal are disclosed. The method is applied in a scenario of complementary carrier coverage, and includes: a terminal and a base station simultaneously receiving and transmitting data through a plurality of cells corresponding to a plurality of member carriers by means of carrier aggregation, wherein one of the plurality of cells is a primary cell, and the rest are secondary cells; according to a measurement result of the terminal, the base station determining to switch one of the secondary cells to be the primary cell of the terminal, and marking the one of the secondary cells as a target secondary cell; and the base station maintaining a service connection between the terminal and the target secondary cell, and notifying the terminal to hand over a control signaling connection to the target secondary cell. | 04-21-2016 |
20160142958 | SEAMLESS HANDOFF SYSTEM AND METHOD - A multicellular communications system where transmission between a roving subscriber and multiple base station transceivers is maintained throughout the territory. Each mobile subscriber unit has global code seeds for the entire communications system or an updated neighbor list and continuously searches to access available cell base stations while maintaining a communication link with one base station. Candidate cell base stations are interrogated and communicated with. The candidate base station that requires less transmitting energy from the mobile subscriber unit is closely monitored. When the mobile subscriber unit can successfully communicate with less transmit power than currently required by the present base station, the mobile subscriber unit is handed off to the candidate base station transceiver. | 05-19-2016 |
20160150454 | CLIENT MANAGED SOFT HANDOVER AND SEAMLESS LINK FAILOVER FOR WIRELESS NETWORKS - According to various aspects, exemplary embodiments are disclosed of systems and methods related to client managed soft handover and seamless link failover for wireless networks. In an exemplary embodiment, a wireless client includes a primary interface and a secondary interface. The primary interface is configured to connect to a wireless network via a first wireless network connection. The secondary interface is configured to connect to the wireless network via a second wireless network connection. The wireless client also includes a controller configured to maintain the first wireless network connection via the primary interface and the second network connection via the secondary interface substantially simultaneously. | 05-26-2016 |
20160205578 | METHOD FOR MANAGING LINK FAILURE OF USER EQUIPMENT SIMULTANEOUSLY CONNECTED TO MULTIPLE RATS AND DEVICE FOR PERFORMING SAME | 07-14-2016 |
20160255560 | Providing Wireless Terminal Uplink Data Rate Offsets | 09-01-2016 |
20160255561 | SEAMLESS MOBILITY IN WIRELESS NETWORKS | 09-01-2016 |
20170238220 | SOFT HANDOVER FOR A VOICE OVER INTERNET PROTOCOL SERVICE | 08-17-2017 |