Patent application number | Description | Published |
20120220324 | Method and Apparaatus for Intercell Uplink Interference Control - Wireless user equipment (UE) operating in a wireless communication system may operate in a state, for example, the CELL_FACH state in UMTS, that does not allow for soft handoff from one cell to another. This inability to engage in soft handover may lead to intercell interference at a non-serving cell when the UE transmits on its uplink in close proximity to the non-serving cell. Therefore, provided in the present disclosure is method of wireless communication, which includes receiving a neighbor cell identification set indicating one or more neighbor cells, receiving a relative grant channel resource index corresponding to a relative grant channel shared by at least one of the one or more neighbor cells, detecting intercell interference associated with a user equipment (UE) in the one or more neighbor cells, and transmitting a non-serving relative grant message to the UE on the relative grant channel. | 08-30-2012 |
20120281530 | SYSTEM AND METHOD FOR RADIO ACCESS NETWORK OVERLOAD CONTROL - Methods and apparatuses are provided for access control in a wireless communication system. In particular, certain parameters utilized by access terminals for a random access procedure may be partitioned, such that different classes of access terminals may be controlled independent of other classes. Here, an exclusive set of access classes may be utilized by low-priority machine type communication devices, such that the broadcasting of a bit mask corresponding to the access classes can bar some or all of the low-priority devices. Further, a new access service class may be utilized exclusively by the low-priority devices, wherein the signature space utilized for random access attempts can be partitioned between the new access service class and all other access service classes. | 11-08-2012 |
20130044702 | Apparatuses and Methods For Controlling Access to a Radio Access Network - The present disclosure presents apparatuses and methods of accessing a communication network including obtaining extended access barring (EAB) data at a user equipment (UE), wherein the EAB data comprises an EAB uniform delay parameter, computing a uniform distribution parameter, determining an access bar period, wherein the access bar period is based on at least the EAB uniform delay parameter and the uniform distribution parameter, and initiating an access procedure to access the communication network after waiting at least the access bar period. Additionally, apparatuses and methods associated with a network apparatus controlling access to the communication network are also disclosed. | 02-21-2013 |
20140086265 | METHOD AND APPARATUS FOR A MEMORY BASED PACKET COMPRESSION ENCODING - Methods and apparatus for wireless communication in a mobile device that includes receiving a transmission data packet and detecting a string of bytes in the transmission data packet that matches a preset string of bytes saved in a memory component. Aspects of the methods and apparatus include replacing the string of bytes of the transmission data packet that has been determined to match the preset string of bytes saved in the memory component with a location pointer, wherein after replacing the string of bytes in the data packet with the location pointer, the data packet comprises the location pointer and a set of literal bytes. Aspects of the methods and apparatus also include generating a compressed transmission data packet by entropy coding the transmission data packet comprising the set of literal-bytes and the location pointer. receiving a transmission data packet; | 03-27-2014 |
Patent application number | Description | Published |
20140160932 | METHOD AND APPARATUS FOR CLASSIFYING FLOWS FOR COMPRESSION - Methods and apparatus for wireless communication include receiving, at a compressor component, a data packet flow and determining information associated with the data packet flow from one or more data packets associated with the data packet flow. The determined information includes source or destination information corresponding to the one or more data packets of the data packet flow. Further, the methods and apparatus include classifying the data packet flow as a compressible or an uncompressed data packet flow based on the determined information, and compressing or skipping compressing of the one or more data packets associated with the data packet flow based on the classification of the data packet flow. Additionally, the methods and apparatus include transmitting the one or more compressed or uncompressed data packets depending on the classification of the data packet flow. | 06-12-2014 |
20140161036 | METHOD AND APPARATUS FOR EFFICIENT SIGNALING FOR COMPRESSION - An apparatus and method of wireless communication includes determining, at a compressor component, whether to transmit a current data packet as a compressed current data packet or an uncompressed current data packet. Further, these aspects include determining whether a data sequence in the current data packet matches a first or second data sequence when determining to transmit the uncompressed current data packet, wherein the first data sequence indicates a first compression state and the second data sequence indicates a second compression state. Also, these aspects include adding the second data sequence to the uncompressed current data packet for transmission when the data sequence in the current data packet matches the first or second data sequence. Additionally, these aspects include transmitting the uncompressed current data packet with the second data sequence when the data sequence in the current data packet matches the first or second data sequence. | 06-12-2014 |
20140161171 | METHOD AND APPARATUS FOR DISABLING COMPRESSION FOR INCOMPRESSIBLE FLOWS - Methods and apparatus for wireless communication include applying a compression algorithm to a data flow, and evaluating a level of compression of the data flow resulting from the applying of the compression algorithm. Further aspects include determining when the level of compression of the data flow is below a first threshold, and disabling compression of the data flow when the level of compression is below the first threshold. Additional aspects include determining when the level of compression of the data flow is above a second threshold, and enabling compression of the data flow when the level of compression is above the second threshold, wherein the second threshold is greater than the first threshold. | 06-12-2014 |
20140362160 | APPARATUS AND METHODS FOR MODEM ASSISTED VIDEO TELEPHONY - Aspects of the present disclosure provide an apparatus and method for modem-assisted video telephony. As one example, a user equipment (UE) utilizes a modem to perform video telephony (VT) communication with a remote device through a wireless network. The UE determines a network metric indicative of congestion in the wireless network based on modem information obtained from the modem, independent of feedback information received from the remote device. The UE dynamically adjusts a data rate of the VT communication by an amount proportional to a quantity based on the network metric. | 12-11-2014 |
20140376401 | AVERAGING BUFFER OCCUPANCY TO IMPROVE PERFORMANCE AT A USER EQUIPMENT (UE) - The present disclosure presents a method and an apparatus for improving performance at a user equipment (UE). For example, the method may include calculating an average buffer occupancy value at the UE, sending a request for resources from the UE to a base station in communication with the UE, wherein request for the resources is based on the average buffer value, receiving resources from the base station based on the request sent from the UE, and transmitting data on a uplink (UL), from the UE to the base station, based on one or more of data available for transmission at the UE, or an available transmit power at the UE, or the resources received from the base station. As such, improved performance at a UE is achieved. | 12-25-2014 |
20140376459 | AGGREGATING DATA TO IMPROVE PERFORMANCE AT A USER EQUIPMENT (UE) - The present disclosure presents a method and an apparatus for improving power performance at a user equipment (UE). For example, the method may include aggregating data at the UE for transmitting on a uplink (UL) from the UE to a base station communicating with the UE until a data aggregation condition is satisfied, determining when the data aggregation condition is satisfied at the UE, wherein the data aggregation condition includes at least a buffer occupancy condition or a delay transmission timer, and requesting resources from the base station for transmitting the data on the UL in response to determining that the data aggregation condition is satisfied. As such, improved performance at a UE is achieved. | 12-25-2014 |
20150016475 | METHOD AND APPARATUS FOR EFFICIENT PACKET COMPRESSION - Methods and apparatus are described for reordering a header of a transmission data packet. The methods and apparatus include identifying one or more static fields and one or more dynamic fields within a header of the transmission data packet. Moreover, these aspects include reordering the one or more static fields and the one or more dynamic fields within the header of the transmission data packet. Additionally, these aspects include compressing the header of the transmission data packet to form a compressed transmission data packet in response to reordering the one or more static fields and the one or more dynamic fields. The aspects also may include transmitting the compressed transmission data packet. | 01-15-2015 |
20150043337 | METHODS AND APPARATUSES FOR ADAPTING APPLICATION UPLINK RATE TO WIRELESS COMMUNICATIONS NETWORK - Various apparatuses and methods for transmitting uplink data of an application at a user equipment are provided. In one aspect of the disclosure, uplink data of an application at a user equipment (UE) is transmitted to a network. A first amount of the uplink data expected to be buffered at a radio link control (RLC) layer is determined based on a latency of the application. A second amount of the uplink data available for transmission at the RLC layer is determined based on information provided by a modem of the UE. A data rate of the application is dynamically adjusted based on a difference between the first amount and second amount of the uplink data. In another aspect of the disclosure, an amount of the application data buffered at the RLC layer is maintained to be greater than a predetermined threshold that sets a Happy bit at an unhappy setting. The unhappy setting is communicated to the network, a data rate of the application is increased in response to an increased grant from the network due to the unhappy setting. In another aspect of the disclosure, a maximum modem supported data rate at which the user equipment (UE) transmits uplink data of an application is determined based on an uplink channel capacity estimate, a modem queue length estimate, a codec rate change frequency of the application, and a delay threshold of the modem queue. | 02-12-2015 |
20150063374 | FORMATTING DATA PACKETS FOR COMPRESSION - Methods and apparatus are described for formatting a compressed data packet. The methods and apparatus include identifying a first data string within a data packet that was previously stored at a first memory location in a compressor memory, and generating a first pointer that references the first memory location in the compressor memory. Further, these aspects optionally include identifying a second data string within the data packet that was not previously stored in the compressor memory. Additionally, these aspects include creating a compressed data packet by replacing the first data string with the first pointer and copying the second data string, and including an indicator corresponding to a number of pointers in the data packet. | 03-05-2015 |
20150085749 | MECHANISM TO EXCHANGE PROPRIETARY SIGNALING MESSAGES BETWEEN A UE AND A NETWORK - Methods and apparatus are described for configuring features for a user equipment (UE) communicating with a network entity. For example, the methods and apparatus include receiving, at the network entity, a capability message indicating one or more features supported by the UE; transmitting control data in a data type Protocol Data Unit (PDU), wherein the control data is configured to enable one of the one or more features based on the capability message; and enabling one of the one or more features in response to receiving an acknowledgement message from the UE. | 03-26-2015 |
20150085835 | OUT-OF-SYNCHRONIZATION DETECTION AND CORRECTION DURING COMPRESSION - Methods and apparatus are described for synchronizing compression for communication between a user equipment (UE) and a serving node. The methods and apparatus include determining that a compressor memory of a compressor and a decompressor memory of a decompressor are out-of-synchronization based on a checksum failure. Further, the methods and apparatus include resetting the compressor memory and the decompressor memory to a predetermined state in response to determining that the compressor memory and the decompressor memory are out-of-synchronization, wherein the compressor memory and the decompressor memory are synchronized at the predetermined state. | 03-26-2015 |
20150085876 | HANDLING INCOMPRESSIBLE DATA PACKETS ON MULTIPLE DATA FLOWS - Methods and apparatus of compression on multiple data flows for communication between a user equipment (UE) and a serving node. The methods and apparatus include receiving multiple data flows for compression, wherein each of the multiple data flows includes a plurality of data packets, with each data packet having a data packet header and a payload. Further, the methods and apparatus include determining a compression state for each of the multiple data flows. Moreover, the methods and apparatus include performing a first compression algorithm on each of the multiple data flows determined to have a compression state set to a do-not-compress state, wherein the first compression algorithm includes compressing the data packet header of each data packet without compressing the payload of each data packet. | 03-26-2015 |