Patent application number | Description | Published |
20090135775 | Method for Enhancing RRC Procedure Re-initiation Efficiency in a Wireless Communications System and Related Apparatus - A method for enhancing efficiency of RRC (Radio Resource Control) procedure re-initiation for a user equipment (UE) in a wireless communication system is provided. The UE includes a plurality of RRC procedures, which are started with a random access preamble procedure. The method includes initiating an RRC procedure of the plurality of RRC procedures, initiating the random access preamble procedure corresponding to the initiated RRC procedure, transmitting an RRC request message corresponding to the initiated RRC procedure after completion of the random access preamble procedure e, and re-initiating the random access preamble procedure when receiving a contention resolution message which corresponds to the random access preamble procedure, but does not belong to the initiated RRC procedure. | 05-28-2009 |
20090239563 | Method and Apparatus for Improving RRC Connection Procedure - The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in a user equipment (UE) of a wireless communication system. The method includes steps of performing an RRC Connection procedure, and resetting or re-establishing a lower layer protocol entity for Signalling Radio Bearers (SRBs) when a cell reselection occurs. | 09-24-2009 |
20090285111 | METHOD OF CONNECTION RE-ESTABLISHMENT AND RELATED COMMUNICATION DEVICE - A method of connection re-establishment for a user equipment (UE) in a wireless communication system includes starting a radio link monitoring timer or a radio link monitoring counter, and stopping the radio link monitoring timer or the radio link monitoring counter if it is still running when a radio resource control (RRC) connection re-establishment procedure is triggered. | 11-19-2009 |
20100034162 | Method and Apparatus for Handling Uplink Grant - A method for handling an uplink grant received on a physical downlink control channel (PDCCH) in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of setting a Temporary Cell Radio Network Temporary Identifier (Temporary C-RNTI) of the UE to a value assigned in a Random Access Response message, monitoring a contention resolution message, receiving an uplink grant on PDCCH addressed to the Temporary C-RNTI, and not using the uplink grant to transmit data if the uplink grant corresponds to a Hybrid Automatic Repeat Request (HARQ) Process different from an HARQ Process used for transmission of a MediumAccess Control (MAC) Protocol Data Unit (PDU) in a Message 3 buffer. | 02-11-2010 |
20100110896 | METHOD OF IMPROVING DISCONTINUOUS RECEPTION FUNCTIONALITY AND RELATED COMMUNICATION DEVICE - The present invention provides a method of improving discontinuous reception (DRX) functionality. The method includes entering a DRX cycle, executing a first equation according to a system frame number, a subframe number, and a DRX cycle parameter, for generating a first result, executing a second equation according to a DRX start offset and the DRX cycle parameter, for generating a second result, and starting an on duration timer for monitoring a Physical Downlink Control Channel when the first result is equivalent to the second result. | 05-06-2010 |
20100184445 | Method and Apparatus for Improving Reconfiguration Procedure for Scheduling Request - The present invention provides a method for improving a reconfiguration procedure for Scheduling Request (SR) in a user equipment (UE) of a wireless communication system. The method includes steps of receiving an upper layer request for reconfiguring an SR parameter of the UE, and applying new configuration provided by the upper layer request to the SR parameter when an SR is triggered and there is no other SR pending in the UE. | 07-22-2010 |
20100302951 | Method and Apparatus for Handling Radio Link Failure - A method for handling radio link failure in a user equipment of a wireless communication system is disclosed. The wireless communication system supports Carrier Aggregation such that the UE is able to perform transmission and/or reception through multiple carriers. The method includes steps of configuring a plurality of carriers and controlling a timer utilized for detecting the radio link failure according to a status of a primary carrier within the plurality of carriers. | 12-02-2010 |
20100304786 | Method and Apparatus for Handling Carriers - A method for handling carriers in a user equipment (UE) of a wireless communication system is disclosed. The wireless communication system supports Carrier Aggregation (CA) such that the UE is able to perform transmission and/or reception through multiple carriers. The method includes steps of configuring a plurality of carriers, and deactivating a carrier of the plurality of carriers according to a verification result. | 12-02-2010 |
20100329204 | Method and Apparatus for Handling Scheduling Information Report in Wireless Communication System - A method for handling scheduling information report in a user equipment of a wireless communication system includes triggering a scheduling information report to generate a corresponding Medium Access Control Control Element (MAC CE), and keeping and not canceling all triggered scheduling information report(s) when the MAC CE is included in a MAC protocol data unit to be transmitted to a network terminal of the wireless communication system on a contention based uplink resource. | 12-30-2010 |
20100329211 | Method and Apparatus for Handling Inter-RAT Handover - A method for handling inter-RAT handover in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of performing a handover procedure to handover the UE from other communication system to the wireless communication system; receiving an RRC Connection Reconfiguration message, and configuring radio link failure timers and constants of the UE according to whether the RRC Connection Reconfiguration message includes an UE specific configuration parameter for the radio link failure timers and constants. | 12-30-2010 |
20110055387 | Method and Apparatus for Performing Buffer Status Reporting - The present invention provides a method for performing Buffer Status Reporting (BSR) in a user equipment (UE) of a wireless communication system. The method includes steps of determining whether any BSR has been triggered since last cancellation of a triggered BSR to a current Transmission Time Interval (TTI); and performing a BSR procedure when determining that at least one BSR has been triggered. | 03-03-2011 |
20120243508 | METHOD AND APPARATUS FOR IMPROVING RRC CONNECTION PROCEDURE - The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in user equipment (UE) of a wireless communication system. The method includes steps of performing an RRC Connection procedure, and resetting or re-establishing a lower layer protocol entity for Signaling Radio Bearers (SRBs) when a cell reselection occurs. | 09-27-2012 |
20120244866 | METHOD AND APPARATUS FOR IMPROVING RRC CONNECTION PROCEDURE - The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in user equipment (UE) of a wireless communication system. The method includes steps of performing an RRC Connection procedure, and resetting or re-establishing a lower layer protocol entity for Signaling Radio Bearers (SRBs) when a cell reselection occurs. | 09-27-2012 |
20120263039 | METHOD AND APPARATUS TO PREVENT RADIO ACCESS NETWORK (RAN) OVERLOAD IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload. In one embodiment, the method comprises initiating, at a User Equipment (UE), a RRC (Radio Resource Control) connection establishment procedure to establish a RRC connection to a cell. The method also comprises initiating, at the User Equipment (UE), a Random Access procedure due to a transmission of a RRCConnectionRequest message for the RRC connection establishment procedure, wherein an establishment cause in the RRCConnectionRequest message is set to delay tolerant access, and the UE stops the Random Access procedure if the UE considers access to the cell as barred based on barring information for delay tolerant access of the cell. | 10-18-2012 |
20120307632 | METHOD AND APPARATUS TO PREVENT RAN (RADIO ACCESS NETWORK) OVERLOAD FOR LEGACY NETWORKS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload for legacy networks in a wireless communication system. In one embodiment, the method comprise initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell. The method further comprises performing an access barring check. The method also comprises extending a barring time autonomously. | 12-06-2012 |
20130121309 | METHOD AND APPARATUS FOR IMPROVING LOW-COST MTC (MACHINE-TYPE COMMUNICATION) DEVICES IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for improving low-cost MTC (Machine-Type Communication) devices in a wireless communication system. The method includes broadcasting, in a system information, a first information used for cell re-selection. The method further includes providing a second information, for a neighboring cell or a frequency, that is used for cell re-selection. | 05-16-2013 |
20130190001 | METHOD AND APPARATUS FOR PROVIDING LOCATION INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for providing location information in a wireless communication network. The method includes initiating a transmission of the UE's location information to the network when a positioning status of the UE becomes available or when the UE needs to provide the positioning status to the network. | 07-25-2013 |
20130272138 | METHOD AND APPARATUS FOR MONITORING A PDCCH (PHYSICAL DOWNLINK CHANNEL) IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for a monitoring PDCCH (Physical Downlink Control Channel). The method includes being configured with DRX (Discontinuous Reception) at a UE (User Equipment). The method also includes performing, at the UE, a measurement on a serving cell or PCell (Primary Cell). The method further includes monitoring, at the UE, the PDCCH more frequently after detecting that the quality of the serving cell or PCell is not good or is lower than a predetermined threshold. | 10-17-2013 |
20130272139 | METHOD AND APPARATUS FOR LOGGING INSTANCES OF A UE FAILING TO ESTABLISH CONNECTION IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for logging instances of a UE (User Equipment) failing to establish connection in a wireless communication network. The method includes logging, in an error log, a failure of a first RRC (Radio Resource Control) connection establishment procedure caused by a first reason, and not logging a failure of a second RRC connection establishment procedure caused by a second reason. | 10-17-2013 |
20130308515 | METHOD AND APPARATUS FOR IMPROVING FREQUENCY PRIORITIZATION IN A WIRELESS COMMNICATION NETWORK - A method and apparatus are disclosed for improving frequency prioritization in a wireless communication network. The method includes the UE setting a priority on whether to prioritize MBMS reception over unicast. The method also includes the UE deciding whether to follow a redirection information or a de-prioritization information based on the UE's setting of prioritization of MBMS reception over unicast. | 11-21-2013 |
20140022990 | METHOD AND APPARATUS FOR REDUCING SIGNALING OVERHEAD IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for reducing signaling overhead in a wireless communication network. In one embodiment, the method is implemented in a network node. The method includes transmitting a first indication to a UE (User Equipment) to tell the UE to remember a configuration which is currently used after the UE enters RRC_IDLE. In an alternative embodiment, the method is implemented in a UE. The method includes (i) receiving a first indication from the network node to tell the UE to remember a configuration which is currently used after the UE enters RRC_IDLE, and (ii) retaining and not releasing or discarding the configuration upon leaving RRC_CONNECTED. | 01-23-2014 |
20140036868 | METHOD AND APPARATUS FOR PRIORITIZING SMALL CELLS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for prioritizing small cells in a wireless communication network. In one embodiment, the method is implemented in a UE. The method includes the UE prioritizing small cells or a frequency of the small cells in a cell selection or cell reselection evaluation process. | 02-06-2014 |
20140071872 | METHOD AND APPARATUS TO INDICATE PPI (POWER PREFERENCE INDICATION) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to indicate PPI in a wireless communication network. The method includes enabling a PPI feature. The method further includes taking a last reported PPI into account when the UE wants to indicate a current PPI for a first time on a current serving cell but not a first time since a full configuration was performed. The method further includes ignoring or not taking into account the last reported PPI when the UE wants to indicate the current PPI for a first time since a full configuration was performed. | 03-13-2014 |
20140078989 | METHOD AND APPARATUS FOR IMPROVING INTER-eNB CARRIER AGGREGATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for operating a wireless communication system by receiving a request message transmitted from a first network node to a second network node to request Carrier Aggregation to aggregate a cell controlled by the second network node to a User Equipment (UE), the request message including a Radio Network Temporary Identifier (RNTI) of a UE, and transmitting an accept message or a reject message from the second network node to the first network node to indicate whether to accept or reject Carrier Aggregation. | 03-20-2014 |
20140162644 | METHOD AND APPARATUS FOR PROXIMITY SERVICE ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to provide proximity service discovery in a wireless communication system. The method includes transmitting, from a first user equipment (UE), a message indicating a presence of the first UE to a serving cell or evolved Node B (eNB) when the first UE wants to be discovered. | 06-12-2014 |
20140192637 | METHOD AND APPARATUS FOR IMPLEMENTING PROXIMITY SERVICES IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for implementing ProSe (Proximity Services) are disclosed. The method includes using ProSe communication with direct mode data path. The method also includes sending a request to an eNB (evolved Node B) to establish ProSe communication with locally-routed data path. | 07-10-2014 |
20140211759 | METHOD AND APPARATUS FOR HANDLING INTER-NODE CONNECTIVITY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node to a second network node to stop aggregating a SCell (Secondary Cell) for a UE (User Equipment); wherein the first network node controls the SCell and the second network node controls PCell (Primary Cell) of the UE. Also, another method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node, which controls a first serving cell of a UE (User Equipment), to a second network node, which controls a second serving cell of the UE, to change a data path corresponding to a first type of transmission and/or reception of the UE from a first path to a different path; wherein the first path is via the first network node and used as the data path corresponding to the first type of transmission and/or reception of the UE, and a second path is via the second network node and used as a data path corresponding to a second type of transmission and/or reception of the UE. In addition, an alternative method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node to a core network node to change a data path corresponding to a first type of transmission and/or reception of a UE (User Equipment) from a first path to a different path; wherein the first path is via the first network node and used as the data path corresponding to the first type and a third type of transmission and/or reception of the UE, a second path is via a second network node and used as a data path corresponding to a second type of transmission and/or reception of the UE, and the request does not indicate to change the data path corresponding to the third type of transmission and/or reception of the UE. | 07-31-2014 |
20150043560 | METHOD AND APPARATUS OF IMPROVING MEASUREMENT REPORTING INVOLVING WLAN IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed for improving measurement reporting involving WLAN for a UE in a wireless communication system. The method includes triggering a transmission of a measurement report involving WLAN due to all of at least one condition being fulfilled, wherein the at least one condition includes a first condition related to WLAN load. | 02-12-2015 |
20150078153 | METHOD AND APPARATUS FOR APPLYING SIGNALING OF WLAN-3GPP INTERWORKING - A method and apparatus are disclosed for applying signaling of WLAN-3GPP interworking. The method includes receiving a first configuration of an interworking parameter by dedicated signalling, wherein the first configuration is not released when the UE enters idle mode. The method also includes receiving a second configuration of the interworking parameter by broadcast signalling when the UE is in idle mode, and overriding the first configuration with the second configuration. | 03-19-2015 |