Patent application number | Description | Published |
20080293399 | Method for supporting MBMS service transmission in LTE system - A method for supporting Multicast Broadcast Multimedia Service (MBMS) data transmission in a Long-term evolution (LTE) system includes a network entity (ECN) to which a user equipment (UE) is registered, receives an Activate MBMS context request message from the UE, and sends a Create MBMS UE Context Request message to a ECN that offers MBMS service. The ECN that offers MBMS service performs an authorization process with a Broadcast and Multicast Service Center (BM-SC) and sends a “Create MBMS UE Context Response” message to the ECN to which the UE is registered. The ECN to which the UE is registered sends an Activate MBMS Context Accept message to the UE. With the methods for supporting the transmission of MBMS data in the LTE system according to present invention, both the BM-SC and the ECN can find the downstream node so that service transmission paths may be found for MBMS data. | 11-27-2008 |
20100074129 | METHOD FOR SUPPORTING A NETWORK LOCATING A TARGET NODE - The supporting of a network locating a target node is disclosed. The supporting of a network locating a target node includes a User Equipment (UE) transmitting a measurement report message to a source evolved Node B (eNB), the measurement report message including a measurement result of signal quality of a target eNB; the source eNB transmitting a message to a core network node, the message including a type of the target eNB; if the target eNB is a Home Node B (HNB), the core network node transmitting a switching message to a target eNB GateWay (GW) or the target eNB. The Mobility Management Entity (MME) can determine whether the UE is allowed to access the target HNB, and the MME can locate the proper HNB GW. | 03-25-2010 |
20100093353 | METHOD FOR DETACHMENT OF MS MOVING BETWEEN COMMUNICATION SYSTEMS - A method for detachment of a mobile set within the equivalent route area moving between the communication systems comprising steps of: during the detachment process is implemented between a mobile set and a service node in one communication system, the service node generates one or more messages and transmits it to the service nodes in one or more communication system within the ERA. If the message is transmitted to the service node within the ERA of only one communication system, this service node transmits this message or the message generated according to this message to the service nodes within the ERA of the other communication system. With the method proposed in present invention, when a mobile is detached from two or more communication systems which share the same ERA, the service nodes in all communication systems within the ERA can still correctly manage the relevant information on this mobile set. | 04-15-2010 |
20100226314 | METHOD FOR USER EQUIPMENT PERFORMING DIRECT COMMUNICATIONS VIA HNB ACCESS SYSTEMS - A method for User Equipments performing direct communication via HNB access system, the method comprising steps of: Initiating, by a first UE having a unique identifier GII in a closed subscriber group (CSG), a call request to a second UE in the same CSG to inform the HNB access system of the unique identifier GII of the second UE; establishing, by the HNB access system, communication bearer via the HNB access system for the first and the second UEs if the two UEs are under the same HNB access system. With the method for UEs performing direct communication via HNB access system of the present invention, transmission efficiency can be improved upon application of HNB, and network resources can also be saved. | 09-09-2010 |
20100278131 | APPARATUS AND METHOD FOR MANAGING A RANDOM ACCESS CHANNEL IN A MOBILE COMMUNICATION SYSTEM - An apparatus and method for managing a Random Access CHannel (RACH) in a mobile communication system, in which a User Equipment (UE) receives a UE information transmit request for a RACH procedure from a network, and transmits, to the network, a message including information indicating a contention detected in the RACH procedure. | 11-04-2010 |
20110002292 | METHOD FOR UPDATING LOCATION INFORMATION OF USER EQUIPMENT - A method for updating location information of a UE is provided. A Node B transmits location information of the UE to an MME. An MME updates location information of the UE saved in a network as the location information of the UE from the Node B. The method supports the UE in a connection mode moving. between different geographical domains without a need for domain update process. It also supports signaling in circuit domain to be transmitted in newly evolved network. | 01-06-2011 |
20110032871 | METHOD FOR ESTABLISHING CONNECTION BY HNB - A method for establishing a connection of a home Node B (HNB), the method comprising the steps of: transmitting, by the HNB, an attachment request message including an identifier of a closed subscriber group (CSG) where the HNB is located and information on location of the HNB to an operation and maintenance center (OMC); selecting, by the OMC a device establishing a connection with the HNB using the information on location of the HNB; transmitting, by the OMC, an attachment response message including information on the device to the HNB; establishing, by the HNB, a connection with the selected device. With the method proposed in the present invention, a UE can switch between HNBs in the same CSG through interface X2. Meanwhile, such information as the radio resource management and so on can be exchanged between two HNBs. | 02-10-2011 |
20110045823 | METHOD FOR TRANSMITTING AND RECEIVING INFORMATION OF RELATION BETWEEN HOME BASE STATIONS - An apparatus and method for transmitting and receiving information regarding the relation between home base stations. The method includes sending, by a first entity, a message to a second entity, wherein the message comprises an identity of the first entity, and sending, by the second entity, a message to the first entity, wherein the message comprises information indicating whether an adjacent home base station and the first entity are serviced by a same gateway. | 02-24-2011 |
20110077010 | METHOD FOR PROCESSING RADIO LINK FAILURE REPORT AND METHOD FOR ADJUSTING MOBILE PARAMETER - A method and a system for processing a Radio Link Failure (RLF) report, where when a User Equipment (UE) encounters an RLF in a first cell controlled by a first evolved base station and selects a second cell controlled by a second evolved base station to re-establish an Radio Resource Connection (RRC), are provided. The method includes sending, by the second evolved base station, the RLF report to every corresponding evolved base station according to the PCI of the first cell having been received from the UE, where the PCI of the first cell, the PCI of a second cell, the CRNTI of the UE in the first cell, and UE authentication information are carried in the RLF report, and authenticating, by every evolved base station the UE according to the UE authentication information. Another method for processing an RLF report, and two methods for adjusting a mobile parameter, are also provided. | 03-31-2011 |
20110117876 | METHOD FOR SUPPORTING AN EMERGENCY CALL IN A MOBILE COMMUNICATION SYSTEM - A method for supporting an emergency call in a mobile communication system is provided, which comprises the steps of: receiving, at a radio resource management entity, a message from a UE indicating that there is an emergency call; setup a RRC connection between the UE and the radio resource management entity; transmitting, by the radio resource management entity, a message to its upper-layer node, the message containing an emergency service indication; and establishing, by the upper-layer node of the radio resource management entity, the emergency call for the UE. With the method for supporting an emergency service in a mobile communication system provided in the present invention, the access failure of an emergency service can be reduced, and the access speed of the emergency service can be increased. | 05-19-2011 |
20110151878 | METHOD OF APPARATUS FOR PERFORMING SWITCHING IN MOBILE COMMUNICATION SYSTEM - Disclosed is a method for performing switching between a macro evolved Node B (eNB) and a home eNB (HeNB) in a mobile communication system including broadcasting, by the HeNB, a length of an HeNB ID to a UE; notifying, by the UE, an HeNB indication information containing the length of the HeNB ID to the macro eNB; transmitting, by the macro eNB, a switching request message to a mobile station mobility management entity, the message including a target ID; finding, by the MME, the HeNB or an HeNB gateway according to the target ID, and performing a switching process from the macro eNB to the HeNB. With the described switching method for the mobile communication system, UE can move between the macro eNB and the HeNB. | 06-23-2011 |
20110164590 | METHOD FOR UE HANDOVER BETWEEN HOME NODE BS - The present invention provides a method for User Equipment (UE) handover between home Node Bs, comprising steps of: sending, by a source home Node B that stores the ID of the connected gateway, a message to the gateway, the message including the gateway ID and a destination home Node B ID; sending by the gateway a message to the destination home Node B identified by the destination home Node B ID to establish a radio bear of the destination home Node B for the UE; sending by the destination home Node B the radio bearer allocated to the UE to the gateway; sending by the gateway the radio bearer to the source home Node B; sending by the source home Node B the radio bearer to the UE; and completing by the UE a handover to the destination home Node B. With the present invention, successful handover between home Node Bs under the same access control can be guaranteed in the case of the same gateway. Meanwhile, it is not necessary to make any modification to the current 3GPP protocol signaling, and the present invention is compliant with the protocol signaling for interfaces Uu and Iu. | 07-07-2011 |
20110256872 | APPARATUS AND METHOD FOR A HANDOVER IN MOBILE COMMUNICATION SYSTEM - An apparatus and a method for a handover in a mobile communication system are provided. A method for an operation of a gateway in a mobile communication system includes receiving a message informing of a handover of a User Equipment (UE) from a Base Station (BS), determining whether the handover could be terminated at the gateway, and if it is determined the handover could be terminated at the gateway, performing the handover with the handover being terminated at the gateway. | 10-20-2011 |
20110267963 | Apparatus and method of user equipment relocation - A method for relocating User Equipment (UE). The method includes a Source Home Node B (S-HNB) sending a Radio Access Network Application Part (RANAP) Relocation Required message and a RANAP Relocation Request message encapsulated in a RANAP User Adaptation (RUA) Direct Transfer message to an HNB gateway (HNB GW). The method also includes the HNB GW sending the RANAP Relocation Request message encapsulated in a RUA Direct Transfer message or in a RUA Connection message to a target HNB (T-HNB). The relocation method may have several advantages. For example, the HNB GW is not required to store a large amount of UE Context, thereby reducing the burden of the HNB GW. The interaction with the CN is decreased, thereby reducing the burden of the CN. The HNB GW is not required to construct RANAP relocation messages, thereby reducing the complexity of the HNB GW. | 11-03-2011 |
20110268086 | APPARATUS AND METHOD FOR SUPPORTING GATEWAY NODE RESELECTION IN COMMUNICATION SYSTEM - An apparatus and a method for supporting gateway node reselection in a communication system during a process in which a UE hands over from a source base station to a destination base station are provided. The apparatus includes the source base station for providing the destination base station with information for access control determination, the destination base station for making an access control determination according to the information provided by the source base station, the UE or a network for initiating a gateway reselection process according to the result of the access control determination. With the method, the reselection of Packet Data Network Gateway (PDN GW) or GGSN is implemented in a simple and reliable way by optimizing the existing signaling processes, in the case of user plane node reselection because UE changes position or handover to another base station. | 11-03-2011 |
20110269464 | APPARATUS AND METHOD FOR X2 INTERFACE SETUP AND CELL SWITCHING IN MOBILE COMMUNICATION SYSTEM - A method and an apparatus for setting up an X2 interface setup are provided. The method includes transmitting, by a first Base Station (BS), an X2 interface setup request to a second BS, wherein the X2 interface setup request comprises an access mode of a Closed Subscriber Group (CSG) supported by a cell in the first BS, and transmitting, by the second BS, an X2 interface response message to the first BS, wherein the X2 interface response message comprises the access mode of the CSG supported by the cell in the second BS. | 11-03-2011 |
20110269465 | HANDOVER METHOD AND APPARATUS IN MOBILE COMMUNICATION SYSTEM - A method for handover of User Entity (UE) by a source Base Station (BS) is provided. The method includes determining whether to handover the UE using an X2 interface, transmitting a handover request message to a target BS, the handover request message including Closed Subscriber Group (CSG) information of the target BS, and receiving a handover request acknowledgement message from the target BS, wherein the determining of whether to handover the UE using the X2 interface includes, if there is the X2 interface between the source BS and the target BS, and if the target BS does not support a CSG or the target BS supports a same CSG supported by the source BS, determining to perform the handover of the UE using the X2 interface, and obtaining the CSG information of the target BS through an X2 interface set up procedure. | 11-03-2011 |
20110274030 | METHOD AND APPARATUS FOR ESTABLISHING CONNECTION BETWEEN ENB - A method and an apparatus for establishing a connection between evolved Node Bs (eNBs) are provided. The method includes after finding a new neighboring cell, sending, by a first network node, a first request message carrying information of a third network node, to which the neighboring cell belongs to a second network node, sending, by the second network node, a second request message carrying cell information of the first network node to the third network node, sending, by the third network node, a first response message carrying information of the first network node to the second network node, and sending, by the second network node, a second response message carrying cell information of the third network node to the first network node, for establishing, by the first network node, a communication connection between the first network node and the third network node with the cell information of the third network node. The present invention may establish the X2 interface connection between a Relay eNB or a Home eNB (HeNB) and other eNBs, and implement the X2 interface based application, such as the mobile handover. | 11-10-2011 |
20110274086 | Method and apparatus for performing handover - A method and an apparatus perform a handover using the X2 interface. A source base station transmits a handover requirement message, for a handover to a destination base station of a user equipment (UE), to a source base station gateway. When a handover command message indicating performing of the handover to a destination base station of the UE is received from the source base station gateway, the handover command message is transmitted to the UE. When a UE context release command message is received from the source base station gateway, a context of the UE is released. And a UE context release completion message, representing that the context of the UE is released, is transmitted to the source base station gateway. The handover requirement message includes a Next-hop Chaining Counter (NCC) and an encryption key for a communication between the UE and the destination base station. | 11-10-2011 |
20110274087 | HANDOVER METHOD SUPPORTING TERMINAL MOBILITY - A handover method for supporting terminal mobility is provided. Before a target core network node updates bearer information according to a target base station to which a User Equipment (UE) performs the handover, an access control determination procedure is added. According to the access control determination information provided by the target base station, if it is determined that the bearer supporting a Selected Internet Protocol (IP) Traffic Offload (SIPTO) or Local IP Access (LIPA) service is permitted to perform the handover, the target core network node updates the bearer information. If it is determined that the bearer supporting the SIPTO or LIPA service is not allowed to perform the handover, the handover failure is notified with respect to the bearer not allowed to perform the handover, and the bearer information is not updated, thus the wasted signaling resource and wireless resource are reduced. Alternatively, during the handover to the target network by the UE or after the handover to the target network, the bearer release or deactivation is performed for the bearer not allowed to perform the handover, so that the UE can re-initiate the bearer establishment process with respect to the bearer not allowed to perform the handover, thus an optimized bearer is established and the Quality of Service (QoS) is ensured. | 11-10-2011 |
20110274276 | METHOD AND SYSTEM FOR POSITIONING MOBILE STATION IN HANDOVER PROCEDURE - A method for obtaining a secure key is provided. The method includes sending an Access Safety Management Entity Key (K | 11-10-2011 |
20110314162 | METHOD FOR ESTABLISHING CONNECTION BY HNB - The method for establishing a connection by a HNB comprising steps of: the HNB transmitting an “attachment request” message to an operation and maintenance center (OMC); the OMC transmitting an “attachment response” message to the HNB; the HNB establishing a connection with an MME indicated by the “attachment response” message. With the method proposed in the present invention, a UE can switch between HNBs in the same CSG through interface X | 12-22-2011 |
20120058792 | METHOD OF AND SYSTEM FOR PERFORMING ACCESS CONTROL AND RADIO RESOURCE MANAGEMENT ENTITY - The present invention discloses a method of and system for performing the access control as well as a radio resource management entity. The method includes: detecting, by a hybrid radio resource management entity, an access control trigger event; determining, by the hybrid radio resource management entity, a non-closed subscriber group, CSG, User Equipment to be removed; disconnecting, by the hybrid radio resource management entity, the connection with the non-CSG User Equipment to be removed. In accordance with the present invention, a hybrid radio resource management entity is able to control the access of User Equipment, so as to guarantee the access of CSG User Equipment. | 03-08-2012 |
20120063437 | METHOD FOR SUPPORTING PDN GW SELECTION - A method for supporting PDN GW selection, comprising the following steps of: receiving by an MME a local route optimization service request information; searching by the MME the IP address of a PDN GW which supports local route optimization according to the IP address of a PDN GWh; sending by the MME a bearer request establishment message to the PHN GWh. The method of the present invention can ensure core network equipment to find PDN GW correctly while HeNB system supports local route optimization. | 03-15-2012 |
20120069732 | APPARATUS AND METHOD FOR DETECTIONG CAUSE OF RADIO LINK FAILURE OR HANDOVER FAILURE IN MOBILE COMMUNICATION SYSTEM - A terminal, a Base Station (BS) and a method for detecting a cause of a Radio Link Failure (RLF) or handover failure are provided. The method includes determining whether an RLF or a handover failure occurs, performing a process of a connection re-establishment or connection establishment to enter a connection mode after encountering the RLF or the handover failure, and transmitting an RLF information report to a BS after entering the connection mode. | 03-22-2012 |
20120099511 | DATA SYNCHRONIZATION METHOD AND SYSTEM - The present invention discloses a data synchronization method and system. The method includes that: a first device adds a time stamp to a received data packet and transmits the data packet to a second device; the second device determines a transmission period to which the data packet belongs according to the time stamp of the data packet, and transmits data packets of different services which belong to the same transmission period by using air resources corresponding to the transmission period after the data packets of the different services which belong to the same transmission period are multiplexed. By the technical scheme of the present invention, air resources can be fully utilized. | 04-26-2012 |
20120147807 | DATA SYNCHRONIZATION METHOD AND SYSTEM - The present invention discloses a data synchronization method and system. The method includes that: a first device adds a time stamp to a received data packet and transmits the data packet to a second device; the second device determines a transmission period to which the data packet belongs according to the time stamp of the data packet, and transmits data packets of different services which belong to the same transmission period by using air resources corresponding to the transmission period after the data packets of the different services which belong to the same transmission period are multiplexed. By the technical scheme of the present invention, air resources can be fully utilized. | 06-14-2012 |
20120195299 | METHODS FOR SUPPORTING USER EQUIPMENT ACCESSING LOCAL IP SERVICES AND APPARATUS THEREFOR - Methods and apparatus are provided for supporting Local IP Access (LIPA) services to a User Equipment (UE). A network node receives a request for accessing a PDN which is identified by an APN of a service access point, from the UE. The network node determines whether the UE is permitted to access LIPA services via a CSG base station based on LIPA accessibility information. The network node determines whether requirements for connecting the UE to the LIPA services are met based on the LIPA accessibility information and device capabilities of a serving base station of the UE, when the UE is permitted to access the LIPA services. The LIPA services are activated for the UE, when the requirements for connecting the UE to the LIPA services are met. | 08-02-2012 |
20120258767 | METHOD FOR GUARANTEEING ESTABLISHMENT OF LOCAL IP ACCESS CORRECTLY - A method for guaranteeing correct establishment of Local IP Access service includes: obtaining the service type of a user equipment (UE) and the equipment capability type of a base station. The method also includes determining whether the UE and the base station are consistent. The method also includes, in response to determining that the UE and the base station are consistent, establishing LIPA service for the UE. The method also includes, in response to determining that the UE and the base station are inconsistent, deciding whether to establish LIPA service for the UE according to the preserved strategy. | 10-11-2012 |
20120294283 | METHOD FOR DATA FORWARDING - The present invention provides a method for data forwarding. The method includes: transmitting, by a source system, Selected IP Traffic Offload (SIPTO)/Local Internet Protocol Access (LIPA) indication information to a destination system, the SIPTO/LIPA indication information indicating that the source system adopts an optimized user plane network structure; performing, by the destination system, an optimized data forwarding mechanism after receiving the SIPTO/LIPA indication information. According to the present invention, it can be ensured that a system sets up an optimized data forwarding mechanism during a handover process of a terminal. | 11-22-2012 |
20130010754 | METHOD FOR AVOIDING HANDOVER FAILURE - Methods for avoiding handover failure are provided. The method includes determining, by a source Base Station (BS), to perform a handover of a User Equipment (UE); determining, by the source BS, whether a target BS connects with a user plane node serving the UE at the source BS; and releasing resources, when the target BS does not connect with the user plane node serving the UE at the source BS. | 01-10-2013 |
20130010756 | METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF USER EQUIPMENT - A method and an apparatus for supporting mobility of a User Equipment (UE) are provided. When a UE moves into a Local Internet Protocol Access (LIPA)-enabled network or exits an LIPA-enabled network, the method is able to select an optimal user-plane node for the UE, provide optimal network routings and optimize network resource usage. For service continuity of the UE, when the UE performs remote access to an LIPA-enabled network from another network or when the UE moves into an LIPA-enabled network, the network re-selects an optimal user-plane node for the UE while keeping the remote service of the UE uninterrupted. When a UE moves from an LIPA-enabled network to another network, the network selects an optimal user-plane node for the UE while keeping the LIPA service uninterrupted. The method optimizes network resource usage and at the same time maintains the service quality perceived by the user. | 01-10-2013 |
20130021996 | METHOD FOR REDUCING INTERFERENCE UNDER MULTI-CARRIER CONFIGURATION - A number of methods reduce inter-cell interference under multi-carrier configuration. One of the methods includes a first NodeB transmitting, to a second NodeB, Primary Component Carrier (PCC) information or Primary cell (PCell) information configured by the first NodeB for a UE served by the first NodeB. The method also includes the second NodeB responding to the first NodeB. As such, when configuring CA for a UE served by the second NodeB, the second NodeB is able to configure the PCC information or PCell information for the UE served by the second NodeB according to the PCC information or PCell information indicated by the first NodeB. | 01-24-2013 |
20130044639 | APPARATUS AND METHOD FOR SETTING UP COMMUNICATION RELATIONSHIP - An apparatus and a method for setting up a communication relationship in a mobile communication system are provided. The method includes determining, by a relay node, whether a new neighboring cell is found, obtaining information of the new neighboring cell, and reporting the same to a Donor evolved Node B (DeNB) that it belongs to, finding, by the DeNB, a network node that the new neighboring cell belongs to, determining whether an X2 interface is set up between the DeNB and the network node that the new neighboring cell belongs to, and if it is determined that the X2 interface is not set up with the network node, setting up the X2 interface with the network node that the new neighboring cell belongs to. It is realized that the relay node can communicate with the network node that the new neighboring node belongs to through the DeNB. | 02-21-2013 |
20130165108 | METHOD FOR DETECTING CAUSE OF RADIO LINK FAILURE OR HANDOVER FAILURE - The present invention discloses a method for detecting a cause for a Radio Link Failure (RLF) or handover failure is provided. The method includes when a User Equipment (UE) enters a connection mode after encountering RLF or handover failure, sending a RLF report that the UE encounters RLF or handover failure to a base station; determining, by the base station, a cause for RLF or handover failure according to the RLF report, if it is determined that the cause for RLF or handover failure is a problem of Mobility Robustness Optimization (MRO) or a problem of coverage, when it is a problem of MRO, sending, by the base station, a MRO report to a base station at which a cell which triggers handover for the last time is located. | 06-27-2013 |
20130176990 | METHOD FOR DETERMINING RELOCATION PROCESS AND METHOD FOR DETERMINING HANDOVER PROCESS - A method for determining relocation process and a method for determining handover process are proposed in the present invention. Wherein the method for determining relocation process includes: informing, by a home base station (HNB) gateway (GW) or an operation, administration and maintenance (OAM) device, the HNB of information of whether the HNB GW supports an optimized relocation process; determining, by the HNB, the relocation process to be implemented for the user equipment (UE) according to the information of whether the HNB GW supports the optimized relocation process. The methods according to the present invention may reduce the failure probability of the relocation/handover and improve the relocation/handover efficiency. | 07-11-2013 |
20130178211 | METHOD OF MDT CONTINUOUS MEASUREMENT AND REPORTING UNDER MULTIPLE PLMNS - A method of Minimization of Drive Tests (MDT) continuous measurement under multiple Public Land Mobile Networks (PLMNs) is provided. The method includes sending, by an eNB, MDT-related information to a target eNB, or, requesting, by the target eNB, for user consent information from an MME, and transmitting the user consent information among multiple PLMNs without being lost during transmission. In addition, a method for achieving MDT reporting is provided. The method includes reporting, by the UE, a new indication, or, reporting, by the UE, a PLMN identifier configuring the MDT to the eNB, and enabling the eNB to correctly determine whether the UE is requested to report the measurement record to the eNB. | 07-11-2013 |
20130250838 | METHOD AND SYSTEM FOR SELECTING PCEF AND PCRF IN A WIRELESS COMMUNICATION SYSTEM - A method for selecting a Policy and Charging Enforcement Function (PCEF) and a Policy and Charging Rule Function (PCRF), for monitoring members in a monitored group is provided. The method includes allocating a same group Identity(ID) for members in a monitored group, selecting a Packet Data Network Gateway (PGW)/PCEF or a PCEF for a member corresponding to the first user to access the network in the monitored group according to the group ID of the member, selecting a PCRF for the member, saving at least one of a corresponding relationship between the group ID and an Internet Protocol (IP) address of the PGW/PCEF, and a corresponding relationship between the group ID and an IP address of the PCEF, and saving at least a corresponding relationship between the group ID and an IP address of the PCRF. | 09-26-2013 |
20130310038 | METHOD FOR UPDATING LOCATION INFORMATION OF USER EQUIPMENT - Methods and apparatus are provided for path switching between an evolved Node B (eNB) and a Mobile Management Entity (MME). The eNB transmits a Path Switch Request message informing that a User Equipment (UE) has changed cells, to the MME. The Path Switch Request message includes an eNB UE S1AP ID, a Tracking Area Identifier (TAI), and cell Identifier (ID). The eNB UE S1AP ID uniquely identifies UE association over an S1 interface within the eNB. The eNB receives a Path Switch Request Acknowledge message including an MME UE S1AP ID and the eNB UE S1AP ID, from the MME. The MME UE S1AP ID uniquely identifies UE association over an S1 interface within the MME. The TAI corresponds to a cell in which the UE is located. | 11-21-2013 |
20130316713 | METHOD FOR DETECTING CAUSE OF RADIO LINK FAILURE OR HANDOVER FAILURE - A method for detecting a cause of radio link failure (RLF) or handover failure, in which the first base station triggers a handover process for the UE, and the mobility or handover information of the UE in the source cell is sent to a second base station. After the second base station receives the RLF report of the UE, the second base station can determine cause of a failure according to the RLF report of the UE and the mobility or handover information of the UE in the source cell. Other methods detect a cause of radio link failure (RLF) or handover failure. Application of the methods can improve the accuracy of determining the cause of the RLF or handover failure, improve efficiency of MRO and improve system performance. | 11-28-2013 |
20140036847 | APPARATUS AND METHOD FOR MANAGING A RANDOM ACCESS CHANNEL IN A MOBILE COMMUNICATION SYSTEM - An apparatus and method for managing a Random Access CHannel (RACH) in a mobile communication system are provided. A method performed by the UE includes determining, when a signal indicative of a resolution of contention in a RACH procedure is received from a network before a contention resolution timer expires, that the RACH procedure has been successfully completed; receiving, from the network, after the successful completion of the RACH procedure, a UE information transmit request; and transmitting, to the network, in response to receipt of the UE information transmit request, a message including contention information of the completed RACH procedure. | 02-06-2014 |
20140094146 | METHOD AND APPARATUS FOR PERFORMING A HANDOVER IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses for verifying HeNB. A method reduces and/or avoids affecting the operator's network due to the attack from HeNB, and ensures the safety of the users who have accessed the network. | 04-03-2014 |
20140169299 | METHOD AND APPARATUS FOR CONFIGURING AGGREGATE MAXIMUM BIT RATE - A system for configuring a UE-AMBR includes a MME to send the UE-AMBR to an eNB covering the serving cell of the UE, the eNB covering the serving cell of the UE establishes a radio access bearer of the UE on at least one secondary cell. The MME sends an AMBR of the UE in the primary eNB covering the serving cell of the UE and an AMBR of the UE in a secondary eNB to the primary eNB. The primary eNB sends the AMBR of the secondary eNB to the corresponding secondary eNB. The technical solutions of the present disclosure can make total rate of all non-GBR services of the UE be not larger than the UE-AMBR when the UE has multiple S1 bearers or one S1 bearer. | 06-19-2014 |
20140187245 | APPARATUS AND METHOD FOR SUPPORTING HANDOVER - An embodiment of the invention provides a method for supporting handover. That is, inform a target base station which bear in bearers to be handed over is a Local Internet Protocol (IP) Access (LIPA) bearer, by a source base station. Regarding the LIPA bearer, the target base station sends a message to a corresponding Local Gateway (L-GW), to request the L-GW to update downlink user plane transmission. By adopting the method for supporting handover, provided by an embodiment of the invention, a correct user plane transmission may be established for a User Equipment (UE), to enable a user plane to be correctly established during handover process. Thus, continuity of LIPA service may be guaranteed, and successful handover may be achieved. | 07-03-2014 |
20140248868 | METHOD OF ANONYMOUSLY REPORTING MINIMIZATION OF DRIVE TEST MEASUREMENTS - The present invention provides a method of anonymously reporting minimization of drive test (MDT) measurements. According to the method, a mobility management entity (MME) obtains MDT data anonymity configuration which indicates whether MDT measurements are to be reported anonymously at a type allocation code (TAC) level; sends a TAC of a UE to a trace collection entity (TCE) if the MDT data anonymity configuration indicates MDT measurements are to be reported anonymously at the TAC level; sends an international mobile subscriber identification (IMSI) or an international mobile equipment identity and software version (IMEISV) of the UE to the TCE if the MDT data anonymity configuration indicates other information, e.g. Trace, is adopted for anonymously reporting MDT measurements. The present invention enables an MME to send different identities of a UE to the TCE according to different requirements for anonymity to implement anonymous reporting of MDT measurements. | 09-04-2014 |
20140248881 | APPARATUS AND METHOD FOR X2 INTERFACE SETUP AND CELL SWITCHING IN MOBILE COMMUNICATION SYSTEM - A method and an apparatus for setting up an X2 interface setup are provided. The method includes transmitting, by a first Base Station (BS), an X2 interface setup request to a second BS, wherein the X2 interface setup request comprises an access mode of a Closed Subscriber Group (CSG) supported by a cell in the first BS, and transmitting, by the second BS, an X2 interface response message to the first BS, wherein the X2 interface response message comprises the access mode of the CSG supported by the cell in the second BS. | 09-04-2014 |
20140256338 | METHOD AND DEVICE FOR CELLULAR COMMUNICATIONS - The embodiments of the present invention provide a method for cellular communications, comprising the following steps: network side equipment receiving service request of user equipment (UE); network side equipment selecting communications resource of two or more base stations for the UE; the base station communicating with the UE. The present invention also provides network side equipment and user equipment (UE). The mobile communication system can simultaneously serve UE by providing multiple base stations and/or base station having various communication modes by means of the scheme set forth in the present invention. In addition, regardless of the network side equipment and UE, they can dynamically load adapted access technology, so that the user can access to different communication systems anytime and anywhere, and meanwhile the system can dynamically and adaptively be adjusted, according to the existing resource of the network, to providing service of wider bandwidth, higher rate for users. | 09-11-2014 |
20140286312 | METHOD AND DEVICE OF SUPPORTING GROUP MOBILITY - A communication method is provided. The communication method includes receiving, by a Mobile Management Entity (MME), information accessed by a User Equipment (UE) through a Relay Node (RN), and sending, by the MME, a Tracing Region Identification (TAI) list of an RN cell where the UE is located to the UE. A network device and an access network device are further provided. By sending a TAI list of an RN cell to the UE, when TAI(s) of the cell are contained in the TAI list of the relatively stationary UE, the UE does not need to initiate an uplink TAU process, and thereby unnecessary signaling and network jamming can be reduced, and at the same time, paging efficiency and network performance can be improved. | 09-25-2014 |
20140286314 | METHOD AND DEVICE FOR SUPPORTING GROUP HANDOVER - The method and the device for supporting group handover are disclosed. The method supporting group handover is provided, which is applied to UE in communication with network via a RN, including: a base station S-DeNB switching RN to a base station T-DeNB; and said S-DeNB switching UE served by said RN to said T-DeNB; wherein the MME serving said RN and the MME serving UE served by said RN are the same. Another embodiment of the present invention further provides a base station supporting group handover, The technical scheme set forth in the present invention can reduce unnecessary signaling procedure, the possibility of network congestion, and can reduce the signaling procedure of handover when group handover occurs, so as to reduce the failure of the handover process and ensure the continuity of service. | 09-25-2014 |
20140301364 | METHOD FOR SUPPORTING SIPTO - The present application discloses a method for supporting SIPTO. The method includes, when a target base station is in a local home network, the target base station sends an identity of the local home network to which the target base station belongs to an MME. The method also includes that the MME determines whether a UE has moved out of the local home network to which the source base station belongs according to the local home network id of the source base station and the local home network id of the target base station. By applying this application, the MME is capable of determining whether the UE has moved out of the local belongs network to which the source base station belongs accurately, therefore a bearer disconnection process can be correctly triggered, resources can be timely released or an SGW can be accurately selected. | 10-09-2014 |
20140308961 | METHOD AND DEVICE FOR SUPPORTING GROUP HANDOVER - A method supporting group handover, which is applied to a User Equipment (UE) in communication with a network via a Relay Node (RN), is provided. The method includes a base station (e.g., an S-DeNB) hands over an RN to a base station (e.g., a T-DeNB) and the S-DeNB hands over the UE served by the RN to the T-DeNB, wherein the handovers are performed simultaneously or separately. The various embodiments of the present disclosure provide a base station supporting group handover. The technical scheme set forth in the present disclosure can reduce an unnecessary signaling procedure, the possibility of network congestion, and can reduce the signaling procedure of handover when group handover occurs, so as to reduce the failure of the handover process and enhance the continuity of service. | 10-16-2014 |
20140349604 | METHOD FOR SUPPORTING AN EMERGENCY CALL IN A MOBILE COMMUNICATION SYSTEM - A method for supporting an emergency service by a mobility management entity (MME) and a base station in a mobile communication system, and a MME and base station, are provided. The method for supporting an emergency service by a MME includes receiving, by the MME, a first message including information associated with an attach request of a terminal from a base station, determining, by the MME, whether the attach request is accepted based on information indicating an emergency service included in the first message, and transmitting, by the MME, a second message to the base station if the attach request is accepted, wherein if the information associated with the attach request includes the information indicating the emergency service, the attach request is accepted, and wherein the information indicating the emergency service is included in the first message using information included in a third message received from the terminal. | 11-27-2014 |
20140364135 | METHOD OF AND SYSTEM FOR PERFORMING ACCESS CONTROL AND RADIO RESOURCE MANAGEMENT ENTITY - The present invention discloses a method of and system for performing the access control as well as a radio resource management entity. The method includes: detecting, by a hybrid radio resource management entity, an access control trigger event, determining, by the hybrid radio resource management entity, a non-Closed Subscriber Group (CSG) User Equipment to be removed, and disconnecting, by the hybrid radio resource management entity, the connection with the non-CSG User Equipment to be removed. | 12-11-2014 |
20150023250 | METHOD FOR ESTABLISHING AN INTERFACE AND COMMUNICATION BETWEEN A RELAY NODE AND A CORE NETWORK - The present invention provides a method for establishing an interface and communication between a relay node (RN) and a core network. The method may include: a base station sends an IP address of a control plane node of the core network to an RN; the RN initiates a process for establishing an interface with the control plane node corresponding to the IP address. Alternatively, the method may include: a base station sends an IP address and an identification of a control plane node of the core network to an RN; the base station sends an IP address and an identification of the RN to the control plane node of the core network; the RN and the node communicate with each other by using information of each other received from the base station. The method for establishing an interface and communication between an RN and a core network according to the present invention realizes transparent transmission of access layer signaling between a relay node and a core network via a base station, which reduces complexity of the process when the RN is in movements, makes it easier to support multiple access techniques, and reduces the complexity in network configurations. | 01-22-2015 |
20150036512 | METHOD FOR REPORTING RADIO LINK FAILURE INFORMATION - The present invention discloses a method for reporting RLF information. By sending the RLF report to an access system to which a cell which lead to a problem belongs to, the present invention can avoid unnecessary impact to other RAT to the maximum, guarantees that a problem of a RAT is solved in the RAT, and can detect a reason of radio link failure or handover failure correctly, reduces signaling interaction between different RATs, and simplifies the whole process of self-optimization, enhances performance of mobile communication system. | 02-05-2015 |
20150063199 | METHOD FOR MOBILE RELAY NODE OBTAINING TA INFORMATION, METHOD FOR MOBILE RELAY NODE SWITCHING, METHOD FOR UPDATING LOCATION OF USER LOCATION AND METHOD FOR PAGING USER - The present invention provides a method for RN switching and location updating, a method for updating location of UE and a method for paging UE. Application of the methods of the present invention, can present each UE under the relay from initiating a tracking area update process, reduce network congestion, and save system sources. | 03-05-2015 |
20150072686 | APPARATUS AND METHOD FOR SUPPORTING HANDOVER TO CSG CELL OR HYBRID CELL - The present invention discloses a method for supporting a handover to a closed subscriber group (CSG) cell or a hybrid cell in a mobile communication system, and the method includes: sending, by a radio access network (RAN), information indicating that authorized public land mobile network (PLMN) information changes to a user equipment (UE); sending, by the UE, all PLMN identifiers (IDs) broadcasted by a target CSG cell to a source RAN in a measurement report; and selecting, by the source RAN or a source core network(CN), a target PLMN for the UE. | 03-12-2015 |