Patent application number | Description | Published |
20100238986 | SYSTEM AND METHOD FOR EFFECTUATING A SIGNAL CARRIER CONFIGURATION - Systems and methods for effectuating a signal carrier configuration are disclosed. In one embodiment, the method comprises receiving an order, determining a signal carrier on which the order was received, determining a signal carrier configuration based at least in part on the order and the determined signal carrier, and changing the state of one or more signal carriers to effectuate the signal carrier configuration. | 09-23-2010 |
20100271939 | CONTROL OF RADIO LINKS IN A MULTIPLE CARRIER SYSTEM - Methods, systems and apparatuses for controlling radio links in a multiple carrier wireless communication system are disclosed. A method can include aggregating control functions from at least two carriers onto one carrier to form an anchor carrier and one or more associated secondary carriers; establishing communication links for the anchor carrier and each secondary carrier; and controlling communication based on the anchor carrier. | 10-28-2010 |
20100272268 | ENHANCED HIGH-SPEED DOWNLINK SHARED CHANNEL SERVING CELL CHANGE PROCEDURES - Serving cell change procedures are provided from a target cell that instructs a mobile device to change its serving cell to the target cell. Receiving the serving cell change instruction from the target cell can help mobile device to receive the instruction in areas were a signal from a current serving cell is rapidly deteriorating. An acknowledgement can be sent from mobile device to target cell and can be based on a scrambling code change and/or can be based on a CQI | 10-28-2010 |
20100278130 | ACTIVATION DEACTIVATION OF SECONDARY UL CARRIER IN DC HSUPA - The present patent application discloses a method and apparatus for activating or de-activating a secondary carrier, comprising informing a serving radio network controller when a secondary carrier was activated or de-activated, receiving a confirmation from the serving radio network controller that non-serving NodeB cells have achieved synchronization, and scheduling a UE upon receiving confirmation. In another example, the present patent application discloses a method and apparatus for de-activating a secondary carrier, comprising controlling de-activation of the secondary carrier using high-speed shared control channel orders, receiving acknowledgement of said high-speed shared control channel orders, and informing a serving radio network controller when the secondary carrier was de-activated. | 11-04-2010 |
20100296446 | DYNAMIC SWITCHING BETWEEN MIMO AND DC HSDP - A communication device configured for dynamic switching between Multiple-Input and Multiple-Output (MIMO) and Dual-Cell High Speed Downlink Packet Access (DC HSDPA) is disclosed. The communication device includes a processor and instructions stored in memory. The communication device begins a connection setup for one or more wireless communication devices, obtains MIMO and DC HSDPA capabilities for the one or more wireless communication devices and optimizes the coexistence of MIMO and DC HSDPA. | 11-25-2010 |
20110158089 | APPARATUS AND METHOD FOR DYNAMIC LOAD BALANCING IN A MULTI-CARRIER WIRELESS COMMUNICATION SYSTEM - An apparatus and method enables a dynamic change from one carrier to another in a wireless telecommunication system. In one example, user equipment receives a preconfiguration message adapted to enable the user equipment to be preconfigured for an initial carrier and a subsequent carrier. Here, the user equipment initially communicates over an air interface utilizing the initial carrier frequency. Upon the satisfaction of certain conditions, such as one of the initial carriers being heavily loaded or nearing its capacity, a Node B provides an order to the user equipment to switch from its initial carrier to the secondary carrier, which was preconfigured. In this way, relatively rapid carrier switching provides for enhanced load balancing largely controlled by the Node B. | 06-30-2011 |
20110222455 | METHOD AND APPARATUS FOR ENHANCING HIGH DATA RATE UPLINK OPERATIONS - A method and apparatus for enhancing uplink operations in a CDMA system is provided. The method may include receiving a rate control value and a transmit power value from a node B, wherein the rate control value is determined through uplink scheduling by the node B, and wherein the transmit power value is selected by the node B to maintain a signal to interference plus noise (SINR) metric within a threshold for a pilot channel, transmitting control channel information at a first power level determined from the transmit power value, and using a first average power tracking unit to generate the first selected transmit power and transmitting data channel information at a second power level determined from both the rate control value and the transmit power value. | 09-15-2011 |
20110286347 | UE Based Conditional Enabling of ULTD - In a communication system, user equipment (UE) conditionally performs uplink transmit diversity (ULTD) either by Switched Antenna Transmit Diversity (SATD) or Beamforming Transmit Diversity (BFTD) using a first antenna and a second antenna. Either a serving node or the UE determines that uplink transmit diversity is conditionally authorized. Either a serving node or the UE measures a value. The UE transmits using ULTD in response to determining that an enabling condition based on the value is satisfied. The UE can also disable uplink transmit diversity in response to determining that a disabling condition based on the value is satisfied. The disabling condition comprises a disabling threshold that equals the enabling condition comprising an enabling threshold with a threshold adjustment for hysteresis. | 11-24-2011 |
20120015682 | Energy Savings in Cellular Base Stations - A method for reducing energy consumption of a base station is described. A first pilot channel is transmitted via a first antenna using a first downlink power amplifier. A second pilot channel is transmitted via a second antenna using a second downlink power amplifier. It is determined that no multiple-input and multiple-output users are in a cell corresponding to the base station. The second pilot channel is shut off. | 01-19-2012 |
20120213092 | APPARATUS, METHOD, AND SYSTEM FOR UPLINK CONTROL CHANNEL RECEPTION IN A HETEROGENEOUS WIRELESS COMMUNICATION NETWORK - A method and system for improving the reception of uplink transmissions in a heterogeneous wireless communication system includes a high-power node such as a macro-cell and a low-power node such as a femto-cell or pico-cell. To address an uplink imbalance where a nearby low-power node power controls a UE such that uplink transmissions of an HSDPA control channel are poorly received at the serving cell, an RNC can instruct the UE to boost its uplink transmit power, remove the UE from soft handover, or disable power control of the UE by the low-power node. To address inter-cell interference, the RNC can limit the UE transmit power and/or enable the victim cell to suppress the interference. Further, a common control channel can be used to power control UEs outside of the convention set of UEs available for power control. | 08-23-2012 |
20120281564 | SYSTEM AND METHOD FOR MULTI-POINT HSDPA COMMUNICATION UTILIZING A MULTI-LINK PDCP SUBLAYER - A method and apparatus for wireless communication may provide a multi-link PDCP sublayer in a radio network controller capable of allocating PDCP PDUs among a plurality of RLC entities for use in a multi-point HSDPA network. Some aspects of the disclosure address issues relating to out-of-order delivery of the PDCP PDUs to a UE, such as unnecessary retransmissions. That is, the disclosed multi-link PDCP may be capable of distinguishing between sequence number gaps that are caused by physical layer transmission failures and those caused merely by skew. | 11-08-2012 |
20120314648 | METHODS AND APPARATUSES FOR USER EQUIPMENT-BASED ENHANCEMENTS OF RADIO LINK CONTROL FOR MULTI-POINT WIRELESS TRANSMISSION - In aspects of the present disclosure, a user equipment receives inter-NodeB multi-point transmissions, and a multipoint aggregation component detects a gap in the sequence numbers, delays transmitting a not acknowledged signal (NAK) by starting a NAK delay timer, and transmits, by a transceiver, NAK for the gap in sequence numbers in response to the NAK delay timer expiring and detecting that the gap has not been filled during the delaying. If the Medium Access Control (MAC) entity as the respective NodeB identifies itself to the Radio Link Control (RLC), out-of-order delivery (skew) can eventually be distinguished from genuine data loss before the NAK delay timer expires based upon tracking the highest sequence numbers received. Adaptive NAK delay timer can be performed by monitoring skew duration. | 12-13-2012 |
20130067056 | PROVIDING COMMUNICATION PATH INFORMATION IN A HYBRID COMMUNICATION NETWORK - Providing communication path information in a mixed communication network. A first message may be provided from a first device to a second device. The first message may request notification of characteristics of at least one communication path between the second device and a third device. The first device, the second device, and the third device may be coupled together in a mixed communication network. Accordingly, the first device may receive at least one message from the second device regarding the characteristics of the at least one communication path between the second device and the third device. | 03-14-2013 |
20130143568 | APPARATUS AND METHODS FOR PERFORMING HANDOVER OF USER EQUIPMENT BETWEEN DIFFERENT RADIO ACCESS NETWORKS - Aspects of the present disclosure are directed to a user equipment, an RNC, or an application operable in a wireless communications network and methods in which an apparatus for wireless communication is configured to transfer data for a user equipment via a first user plane connection in a first radio access network. If the data transferred via the first user plane connection satisfies a trigger condition, the apparatus is configured to initiate a handover procedure of transferring the user equipment to a second user plane connection in a second radio access network. | 06-06-2013 |
20130143569 | APPARATUS AND METHODS FOR PERFORMING HANDOVER OF USER EQUIPMENT BETWEEN DIFFERENT RADIO ACCESS NETWORKS - Aspects of the present disclosure are directed to a user equipment, an RNC, or an application operable in a wireless communications network and methods. A network controller for wireless communication is configured to transfer data via a first user plane connection in a first radio access network and initiate a handover procedure of transferring the user equipment to a second user plane connection in a second radio access network. | 06-06-2013 |
20130143570 | APPARATUS AND METHODS FOR PERFORMING HANDOVER OF USER EQUIPMENT BETWEEN DIFFERENT RADIO ACCESS NETWORKS - Aspects of the present disclosure are directed to a user equipment, an RNC, or an application operable in a wireless communications network and methods. A network controller for wireless communication is configured to transfer data via a first user plane connection in a first radio access network and initiate a handover procedure of transferring the user equipment to a second user plane connection in a second radio access network. | 06-06-2013 |
20130194921 | METHODS AND APPARATUSES FOR NETWORK CONFIGURATION OF USER EQUIPMENT COMMUNICATION MODES IN MULTIFLOW SYSTEMS - The present disclosure provides methods and apparatuses for improved UE communication mode determination by a network entity, such as a radio network controller, where multi-cell and multi-carrier communication is available to the UE in a wireless network. For example, in an aspect, methods and apparatuses are provided for determining whether a user equipment (UE) is in a soft handover region and a softer handover region, and where the UE is in such a region, predicting a future multi-cell performance of the UE assuming the UE will be served by a plurality of cells on a single carrier, predicting a future multi-carrier performance of the UE assuming the UE will be served by a plurality of carriers of a single cell, comparing the future multi-cell performance to the future multi-carrier performance, and transmitting a mode command to the UE based at least on the comparing. | 08-01-2013 |
20130194924 | METHOD AND APPARATUS FOR FLOW CONGESTION CONTROL IN MULTIFLOW NETWORKS - The present disclosure provides methods and apparatuses for improved Iub link congestion management based on a dynamic scaling of flow control request message transmission in multiflow wireless environments. For example, in an aspect, methods and apparatuses are provided for receiving, at a NodeB, a data request from one or more user equipment (UE), wherein each data request corresponds to a flow and the one or more UE is served by a plurality of NodeBs, generating a flow control request corresponding to each flow in response to each data request, and sending each flow control request to a radio network controller (RNC). Thereafter, a Node B may receive data in response to each flow control request, determine a congestion state based on a downlink delay from the RNC detected in the received data, and scale a subsequent one or more flow control requests based on the determined congestion state. | 08-01-2013 |
20130223279 | SENSOR BASED CONFIGURATION AND CONTROL OF NETWORK DEVICES - A mobile device, such as a smartphone or a tablet computer, can execute functionality for configuring a network device in a communication network and for subsequently controlling the operation of the network device with little manual input. The mobile device can detect, from the network device, sensor information that is indicative of configuration information associated with the network device. The mobile device can decode the received sensor information to determine the configuration information and can accordingly enroll the network device in the communication network. In response to determining to control the enrolled network device, the mobile device can capture an image of the network device and can use the captured image to unambiguously identify the network device. The mobile device can establish a communication link with the network device and can transmit one or more commands to vary operating parameters of the network device. | 08-29-2013 |
20130246783 | GENERATING PROTOCOL-SPECIFIC KEYS FOR A MIXED COMMUNICATION NETWORK - Security keys are typically needed to communicate with various network communication protocols of a mixed communication network. Herein, a protocol-specific key for a particular network communication protocol is generated based upon a result of a hash operation that includes a network key associated with the mixed communication network and information corresponding to the particular network communication protocol. Interoperability of multiple devices in the mixed communication network is made possible when the multiple devices generate (i.e. derive) protocol-specific keys using the same network key and common information corresponding to particular network communication protocols. | 09-19-2013 |
20130250810 | TOPOLOGY DISCOVERY IN A HYBRID NETWORK - Systems and methods provide a discovery protocol allowing nodes that are interested in knowing a network topology to discover other nodes in the network topology. The discovery protocol includes two message types, topology discovery messages and topology query messages. A node issues topology discovery messages upon powering up, at periodic intervals, or upon detecting a change in network topology. The topology discovery messages are broadcast to all nodes on a network and identify the issuing node to the network. A topology query message is sent to a particular node and requests a response from the receiving node regarding the neighboring nodes of the receiving node. The querying node can use the response data to discover other nodes and to send the discovered nodes query messages such that the node can determine a network topology to a desired level of depth within the network. | 09-26-2013 |
20130322418 | DEVICE CONFIGURATION IN A HYBRID COMMUNICATION NETWORK - An access point selector can implement functionality for selecting an access point that should establish a communication link with a client device attempting to join a communication network. The access point selector can receive notifications from access points, in response to the client device's button being activated. Information in the received notifications can be analyzed and one of the access points (that transmitted the notifications) can be selected to establish the communication link with the client device. In some embodiments, prior to selecting an access point that should establish the communication link with the client device, the access point selector can attempt to identify a designated access point (DAP) in the communication network. The access point selector may execute operations for selecting the access point only if the DAP cannot be identified in the communication network. | 12-05-2013 |
20140321480 | NAMED DATA NETWORKING IN LOCAL AREA NETWORKS - A named data networking (NDN) architecture may be implemented within a local area network. A local area networking naming convention may be used in relation to named content from a variety of NDN-enabled devices. A network node (such as an NDN gateway or NDN bridge) may manage the local area networking naming convention and assign a name for the named content of the NDN-enabled device. A network-assigned name in accordance with a local area networking naming convention may be used for group control of multiple NDN-enabled devices. An NDN gateway may be used for translating NDN protocol layer communication to an IP network protocol layer. An NDN bridge may be used for bridging NDN protocol layer communication between various different segments of a local area network. NDN-enabled devices may benefit from longer sleep cycles based upon NDN content caching implemented in the local area network. | 10-30-2014 |
20150036573 | WLAN-CAPABLE REMOTE CONTROL DEVICE - Operations for a WLAN-capable remote control device and a controlled device are disclosed. A first network device (e.g., remote control) may receive a user input for controlling operation of a second network device (e.g., controlled device) of a communication network. The first network device may transition to an active operating state in response to receiving the user input. The first network device may transmit the first user input to the second network device. The first network device may exit the active operating state in response to successfully transmitting the first user input to the second network device. | 02-05-2015 |
20150049616 | AUTOMATIC CONFIGURATION OF A NETWORK DEVICE - A hybrid device can implement functionality to automatically configure itself to form a home network with other network devices. If it is determined that the hybrid device is the central access point of a hybrid network, operating parameters are determined for the central access point. The central access point can then operate in conjunction with other non-CAP hybrid devices of the hybrid device to determine how to configure the non-CAP hybrid device. The configuration of the non-CAP hybrid device can be determined based, at least in part, on a communication link performance measurement between the CAP and the non-CAP hybrid device. Furthermore, the hybrid network can also be monitored to ensure that the hybrid devices do not repeatedly or randomly switch between different configurations. | 02-19-2015 |
20150052255 | MINIMIZING COVERAGE HOLES IN A COMMUNICATION NETWORK - Access point functionality of a network device may be disabled, resulting in a coverage hole in a communication network and affecting performance of a client device. Various techniques can be implemented for detecting and minimizing coverage holes. In one embodiment, the network device can selectively establish a communication link with the client device depending on whether the client device is in a coverage hole and depending on whether the client device can detect another access point in the communication network. In some embodiments, the client device can determine that it is in a coverage hole in response to detecting a reserved SSID and can accordingly notify a central coordinator of the communication network. In some embodiments, the central coordinator can identify the network device (with disabled access point functionality) that can eliminate the coverage hole and can cause the network device to enable its access point functionality. | 02-19-2015 |