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    • 2. 发明申请
    • TRANSMISSION OF MEASUREMENTS PARAMETERS CONCERNING INTERFERING CELL FOR CELL RESELECTION
    • 传播干扰细胞测量细胞参数的参数
    • WO2011057300A3
    • 2011-08-18
    • PCT/US2010056085
    • 2010-11-09
    • QUALCOMM INCJI TINGFANGGAAL PETERPRAKASH RAJATDURAL OZGURPALANKI RAVI
    • JI TINGFANGGAAL PETERPRAKASH RAJATDURAL OZGURPALANKI RAVI
    • H04W48/16H04W36/00
    • H04W36/0066H04W36/0094H04W48/12H04W48/16H04W84/045
    • Methods and apparatuses are provided that facilitate measuring frequencies for cell reselection. A base station providing a cell can be interfered by one or more closed subscriber group (CSG) cells over at least a portion of frequency utilized by the base station to serve one or more devices. The base station can determine and provide one or more parameters related to performing a measurement of a system bandwidth to one or more devices that are within range of the one or more CSG cells that includes at least a portion of the bandwidth utilized by the one or more CSG cells. The one or more devices can accordingly perform measurements of the system bandwidth of the base station for determining one or more communication metrics related to performing reselection and/or measuring other frequencies for reselection. The measurement can relate to a wideband measurement, a plurality of narrowband measurements, etc.
    • 提供了便于测量细胞再选择频率的方法和装置。 提供小区的基站可以被一个或多个封闭用户组(CSG)小区干扰在基站所使用的频率的至少一部分上,以服务于一个或多个设备。 该基站可以确定和提供一个或多个参数,该参数与对一个或多个CSG小区的范围内的一个或多个设备进行系统带宽的测量相关,所述一个或多个设备包括一个或多个CSG小区利用的带宽的至少一部分, 更多的CSG小区。 一个或多个设备可以相应地执行基站的系统带宽的测量,以确定与执行重新选择相关的一个或多个通信度量和/或测量用于重选的其他频率。 测量可以涉及宽带测量,多个窄带测量等。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR MUTIPLEXING REFERENCE SIGNAL AND DATA IN A WIRELESS COMMUNICATION SYSTEM
    • 用于在无线通信系统中扩展参考信号和数据的方法和设备
    • WO2011053836A3
    • 2011-07-07
    • PCT/US2010054815
    • 2010-10-29
    • QUALCOMM INCLUO XILIANGMONTOJO JUANGAAL PETERPALANKI RAVI
    • LUO XILIANGMONTOJO JUANGAAL PETERPALANKI RAVI
    • H04L27/26H04L5/00
    • H04L27/2613H04L5/0023H04L5/0037H04L5/0051
    • Techniques for efficiently multiplexing a reference signal and data on different sets of subcarriers in the same symbol period are described. In one design, a user equipment (UE) performs a discrete Fourier transform (DFT) on a set of modulation symbols for data to obtain data symbols. The UE also obtains reference symbols generated based on a reference signal sequence corresponding to a cyclic shift of a base sequence. The UE maps the reference symbols to a first set of subcarriers and maps the data symbols to a second set of subcarriers. The UE then generates a transmission symbol based on the mapped reference symbols and the mapped data symbols. The UE may also transmit reference signals and data (i) in multiple symbol periods of a slot or a subframe and/or (ii) from multiple antennas using frequency division multiplexing (FDM) or code division multiplexing (CDM).
    • 描述了用于在相同符号周期中有效地多路复用参考信号和不同副载波组上的数据的技术。 在一个设计中,用户设备(UE)对用于数据的一组调制符号执行离散傅立叶变换(DFT)以获得数据符号。 UE还获得基于与基序列的循环移位相对应的参考信号序列而生成的参考符号。 UE将参考符号映射到第一组子载波并将数据符号映射到第二组子载波。 然后,UE基于映射的参考符号和映射的数据符号生成传输符号。 UE还可以使用频分复用(FDM)或码分复用(CDM)在时隙或子帧的多个符号周期中和/或(ii)从多个天线发送参考信号和数据(i)。
    • 7. 发明申请
    • SYNCHRONIZATION OF DEVICES IN A WIRELESS COMMUNICATION NETWORK
    • 无线通信网络中设备的同步
    • WO2011011760A3
    • 2011-05-05
    • PCT/US2010043159
    • 2010-07-23
    • QUALCOMM INCPALANKI RAVIKHANDEKAR AAMOD DGAAL PETER
    • PALANKI RAVIKHANDEKAR AAMOD DGAAL PETER
    • H04W56/00
    • H04W56/0045H04W56/0015H04W92/20
    • Techniques for synchronizing devices in a wireless network are described. In an aspect, a device determines a receive time for a base station, obtains a time offset for the base station from a network entity, and sets its transmit time based on the receive time and the time offset for the base station. The time offset compensates for the degree by which the base station is asynchronous with respect to a reference time, e.g., UTC time. In another aspect, a device determines and sends time difference information (e.g., a time offset or a TDOA measurement) for at least one base station to support synchronization of other devices. In yet another aspect, a network entity supports synchronization of devices, receives time difference information for at least one base station, and determines at least one time offset for the at least one base station based on the time difference information.
    • 描述了用于在无线网络中同步设备的技术。 在一方面,设备确定基站的接收时间,从网络实体获得基站的时间偏移,并且基于基站的接收时间和时间偏移来设置其发送时间。 时间偏移补偿基站相对于参考时间(例如,UTC时间)是异步的程度。 在另一方面,设备确定并发送至少一个基站的时差信息(例如,时间偏移或TDOA测量)以支持其他设备的同步。 在另一方面,网络实体支持设备的同步,接收至少一个基站的时差信息,并且基于时差信息确定至少一个基站的至少一个时间偏移量。