Patent application number | Description | Published |
20110269469 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the wireless network communication field, and discloses a method for handover between multi-carrier cells to avoid repeated handover decisions caused by delay of the triggering event. The method includes: the source cell receives a measurement report triggered by an event reported by a served User Equipment (UE); and the source cell executs a handover decision according to measurement reports triggered by multiple events after receiving the measurement reports triggered by the multiple events within an estimated interval, and hands over the UE to the corresponding carrier of the corresponding target cell. With the present invention, the resources of the source cell and the target cell may be saved, and the handover efficiency may be improved. | 11-03-2011 |
20110286433 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the radio communication field and discloses a method, an apparatus, and a system for handover between multi-carrier cells, so that a user equipment (UE) can be handed over to carriers of different cells on multiple target evolved NodeBs (eNBs). The handover method includes: after performing handover request acknowledge, receiving serial numbers (SNs) of data to be transferred and identifier information of target eNBs of other carriers to which the UE is handed over sent by a source eNB; and transferring scheduling information to the target eNBs of other carriers to which the UE is handed over. | 11-24-2011 |
20120170505 | Method, Device and System for a Relay to Establish a Connection with a Base Station - A method, a device and a system for a relay to establish a connection with a base station are disclosed. Interface information sent from a serving base station is received. Resource information is obtained from the interface information. The resource information is used to indicate wireless resources used when the relay communications with a non-serving base station. A wireless connection is established with the non-serving base station in the wireless resources indicated by the resource information. | 07-05-2012 |
20120196643 | METHOD FOR CONTROLLING UPLINK POWER OF LONG TERM EVOLUTION SYSTEM, BASE STATION, MOBILE TERMINAL - A method for controlling uplink power of an LTE system, a base station, and a mobile terminal are disclosed according to the embodiments of the present invention. The method includes: obtaining uplink transmit power of each carrier; sending first notification signaling to a base station if a difference between the obtained uplink transmit power of each carrier exceeds a specific threshold; and sending second notification signaling to the base station if a sum of the obtained uplink transmit power of each carrier exceeds a preset threshold. Thresholds are determined according to network conditions, and uplink power of a carrier is adjusted in a balanced way, a bit error rate is reduced and a case that a low-performance carrier is forced to be interrupted is prevented. | 08-02-2012 |
20120238305 | METHOD FOR OBTAINING UPLINK TRANSMIT POWER CONTROL PARAMETER, BASE STATION, AND USER EQUIPMENT - The present invention provides a method for obtaining an uplink transmit power control parameter, where the method is applicable to a radio communication system using a CoMP transmission technology and includes: obtaining, by an base station, a downlink path loss of a serving cell serving for a UE and a sum of a each difference between a downlink path loss of each coordinated cell serving for the UE and the downlink path loss of the serving cell; obtaining, by the base station, a downlink path loss of the UE in a coordinated multi-point transmission environment and a transmit power control command of the UE in the coordinated multi-point transmission environment according to the downlink path loss of the serving cell and the sum of differences between downlink path losses. Thereby, the reduction of cell throughput and waste of UE power consumption is avoided. | 09-20-2012 |
20130114457 | Method for Reporting Power Headroom Report and User Equipment - The present invention discloses a method for reporting a power headroom report and a user equipment, which are applied in the field of communications. The method includes triggering reporting of a first power headroom report and determining that a condition of sending the first power headroom report is satisfied. The condition of sending the first power headroom report includes a determination that uplink data channel transmission occurs in a current transmission time interval. The first power headroom report is obtained. The first power headroom report includes a first power headroom value that includes a difference between maximum transmitting power of a carrier and a sum of transmitting power of a control channel of the carrier and transmitting power of a data channel of the carrier. | 05-09-2013 |
20130137454 | Positioning Enhancement Systems and Methods - Systems and methods are disclosed to provide positioning enhancement to wireless systems to determine UE positioning using UE measurements. A method implemented by a UE for enabling positioning calculation includes receiving a Signal to Interference plus Noise Ratio (SINR) threshold from a network for filtering positioning measurements and performing a plurality of positioning measurements. The method also includes removing from the positioning measurements each measurement that does not meet the SINR threshold, and sending remaining positioning measurements that meet the SINR threshold to the network. Another method implemented by a network component includes receiving a plurality of positioning measurements with a plurality of corresponding SINRs from a user device and removing from the positioning measurements each measurement with a corresponding SINR that is less than or equal to a pre-determined SINR threshold. The remaining positioning measurements with corresponding SINRs greater than the SINR threshold are then used for positioning calculation. | 05-30-2013 |
20140171111 | Method and Apparatus for Positioning User Equipment - Embodiments of the present invention disclose a method and an apparatus for positioning a user equipment. The method includes receiving positioning measurement information sent by a base station. The positioning configuration information includes a sum of a difference between receiving time and sending time on the UE and a difference between receiving time and sending time on the base station. A round trip time between the intermediate node that sends the CRS and the UE is calculated according to the positing in formation. A position of the UE is determined using position coordinates of the intermediate node that sends the CRS and the round trip time. | 06-19-2014 |
20140220978 | CELL RESELECTION METHOD, DEVICE, AND SYSTEM - Embodiments of the present invention provide a cell reselection method, device, and system, where the method includes: receiving a broadcast message sent in a first cell by a base station, where the broadcast message includes information about a set of second cells; when it is determined, according to the information about the set of the second cells, that a target reselection cell is a second cell, determining, according to second-cell reselection parameter information, time for performing cell reselection; or when it is determined, according to the information about the set of the second cells, that a target reselection cell is not a second cell, determining, according to first-cell reselection parameter information, time for performing cell reselection. | 08-07-2014 |
20140328327 | METHOD AND APPARATUS FOR ENHANCING MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the present invention provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount. | 11-06-2014 |
20140349677 | POSITIONING METHOD, POSITIONING SERVER, TERMINAL AND BASE STATION - Embodiments of the present invention provide a positioning method, a positioning server, a terminal and a base station. The positioning method includes: notifying a terminal of difference threshold information; receiving cell subset information that is determined by the terminal according to the difference threshold information, where the cell subset information is used to indicate a cell pair whose reference signal measured value exceeds the difference threshold, or the cell subset information is used to indicate a cell pair whose reference signal measured value does not exceed the difference threshold; determining a configuration of a PRS according to the cell subset information, and notifying the terminal of the configuration of the PRS; and receiving an RSTD that is obtained by the terminal through measurement according to the configuration of the PRS, and determining a location of the terminal according to the RSTD. | 11-27-2014 |
20140349704 | LOAD BALANCE METHOD AND RELEVANT APPARATUSES - Embodiments of the present invention disclose a load balance method and relevant apparatuses to implement load balance between base stations in a communications network that includes an LTE base station. The method in an embodiment of the present invention includes: obtaining, by a radio resource management RRM server, load information reported by base stations, where the base stations include a Long Term Evolution LTE base station; determining an overloaded base station in the base stations; determining a target base station according to the load information, where the target base station is a base station to share a load of the overloaded base station; and instructing the overloaded base station and the target base station to perform load balance. | 11-27-2014 |
Patent application number | Description | Published |
20130053065 | METHOD AND APPARATUS FOR DETERMING MOBILITY STATE OF TERMINAL - A method and apparatus for determining a mobility state of a terminal is disclosed in embodiments of this invention, which relates to the technical field of wireless communication and is capable of accurately estimating a mobility state of a terminal in a complex network structure, configuring more appropriate network parameters for the terminal, optimizing mobility performance of the terminal and improving overall network performance. A method for determining a mobility state of a terminal is provided in an embodiment of this invention, including: calculating a total moving distance of a terminal in a predetermined period by using a distance estimation strategy; and determining a mobility state of the terminal according to the total moving distance. This invention is applicable to estimation of the terminal's mobility state in a homogeneous network and a heterogeneous network. | 02-28-2013 |
20130094381 | System and Method for Measurement Bandwidth Configuration - Signaling a Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ) measurement of a wireless channel is achieved by sending an measurement bandwidth (measbandwidth) indicator to a receiver that mandates a specific measurement bandwidth for performing the RSRP or RSRQ measurement. By virtue of receiving the measbandwidth indicator, the receiver is required to perform the RSRP or RSRQ measurement over a portion of the wireless channel that is equal to the measurement bandwidth specified by the measbandwidth indicator. | 04-18-2013 |
20140187171 | AAS-BASED INFORMATION INTERACTION METHOD, SYSTEM, UE AND BASE STATION - Embodiments of the present invention disclose an advanced antenna system AAS-based method for information interaction, which includes: sending, by a base station, a connection reconfiguration request to a user equipment (UE) which accesses the base station, and receiving a measurement report message returned from the UE, where the measurement report message carries three-dimensional coordinate information of the UE; performing, by the base station, beamforming according to the three-dimensional coordinate information of the UE carried in the measurement report message. Embodiments of the invention further disclose an AAS-based system for information interaction, a UE and a base station. Embodiments of the present invention can provide a more effective and more accurate beam to the UE, improve communication service quality and enhance performance of a wireless communication system. | 07-03-2014 |
20140308968 | DYNAMIC SPECTRUM SHARING METHOD AND DEVICE - A dynamic spectrum sharing method includes steps of: determining first spectrum utilization information of a covered cell, the first spectrum utilization information comprising any one an access failure rate of the covered cell, calling strength of the covered cell, an expected bandwidth of the covered cell, an idle bandwidth of the covered cell, bandwidth configuration information of the covered cell and edge user equipment information of the covered cell or any combinations thereof; and sending the first spectrum utilization information to a neighboring base station when dynamic spectrum sharing is performed in homogeneous systems with the same Radio Access Technology; or the base station sending the first spectrum utilization information to a core network when dynamic spectrum sharing is performed in heterogeneous systems with different Radio Access Technologies; or sending the first spectrum utilization information to a radio resource management server. | 10-16-2014 |
20140349582 | POSITIONING METHOD FOR USER EQUIPMENT, DATA SENDING METHOD, DEVICE AND USER EQUIPMENT - A positioning method for a user equipment, a data sending method, a device and a user equipment are disclosed. After receiving a positioning service trigger, the method comprises: acquiring a velocity estimate of a UE to be positioned; selecting configuration information of a PRS according to the velocity estimate, setting a PRS sending period of an evolved base station eNB, and sending the PRS sending period to the eNB; sending the configuration information of the PRS to the UE, enabling the UE to receive the PRS sent by the eNB according to the configuration of the PRS and estimate a measurement of RSTD; and receiving the measurement of RSTD sent by the UE, and calculating a geographic position of the UE according to the measurement of RSTD. The embodiments of the disclosure improve effectively the accuracy of positioning the user equipment. | 11-27-2014 |