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    • 4. 发明授权
    • Method and apparatus for detecting a plurality of symbol blocks using a decoder
    • 用于使用解码器检测多个符号块的方法和装置
    • US08630372B2
    • 2014-01-14
    • US13594191
    • 2012-08-24
    • Stephen GrantGregory E. BottomleyFlorent Munier
    • Stephen GrantGregory E. BottomleyFlorent Munier
    • H04L27/06H04L27/14
    • H04L25/03286H04L25/03178H04L25/03331H04L2025/03426
    • Teachings presented herein offer a technique for using a demodulator to improve a demodulation process. For example, a demodulation unit according to an embodiment of the present invention may be a multi-stage demodulator and may include: a demodulator configured to receive a baseband signal and configured to produce modem bit likelihood values based on the received baseband signal; a decoder configured to receive and process the modem bit likelihood values to produce improved modem bit likelihood values; a candidate value generator configured to produce, based on the improved modem bit likelihood values, candidate symbol values for a group of one or more symbols; and a detector configured to receive the baseband signal and the candidate symbol values and configured to produce one of (a) final modem bit estimates and (b) candidate symbol values for a group of symbols.
    • 本文提出的教学提供了一种使用解调器来改进解调过程的技术。 例如,根据本发明的实施例的解调单元可以是多级解调器,并且可以包括:解调器,被配置为接收基带信号并被配置为基于接收到的基带信号产生调制解调器比特似然值; 解码器,被配置为接收和处理调制解调器比特似然值以产生改进的调制解调器比特似然值; 候选值生成器,被配置为基于改进的调制解调器比特似然值产生一个或多个符号的组的候选符号值; 以及检测器,被配置为接收基带信号和候选符号值,并且被配置为产生(a)最终调制解调器比特估计和(b)一组符号的候选符号值中的一个。
    • 6. 发明授权
    • Reduced-complexity coordinated multipoint reception
    • 降低复杂度协调的多点接收
    • US08224314B2
    • 2012-07-17
    • US12645616
    • 2009-12-23
    • Stephen Grant
    • Stephen Grant
    • H04W4/00H04W40/00
    • H04B7/024H04B1/7115H04B7/0495H04B7/0848H04B7/0854H04B7/0874
    • Teachings herein offer reduced-complexity coordinated multipoint (CoMP) reception of an uplink signal transmitted by a mobile terminal. The teachings obtain, for each sector antenna in a set of sector antennas deployed in a CoMP cell, a signal strength measurement of one or more downlink signals received by the mobile terminal from a sector associated with that sector antenna. The teachings compare the signal strength measurements and then select from the set, based on that comparison, a subset of sector antennas for CoMP reception of the uplink signal. By using a subset of sector antennas for CoMP reception, instead of all sector antennas in the set, the teachings reduce the computational complexity of CoMP reception. Moreover, the teachings in some embodiments minimize any performance degradation possibly resulting from performing CoMP reception with a reduced number of antennas, by selecting the subset to include sector antennas having the strongest signal strength measurements.
    • 本文中的教导提供了由移动终端发送的上行链路信号的降低复杂度的协调多点(CoMP)接收。 该教导为部署在CoMP单元中的一组扇区天线中的每个扇区天线获得由移动终端从与该扇区天线相关联的扇区接收的一个或多个下行链路信号的信号强度测量。 该教导比较信号强度测量,然后基于该比较从该组中选择用于CoMP接收上行链路信号的扇区天线的子集。 通过使用用于CoMP接收的扇区天线的子集,代替组中的所有扇区天线,教导降低了CoMP接收的计算复杂度。 此外,在一些实施例中的教导通过选择该子集以包括具有最强信号强度测量的扇区天线,最小化可能由于通过减少数量的天线执行CoMP接收而导致的任何性能退化。
    • 10. 发明授权
    • Apparatus and method for declaring radio link failure (RLF)
    • 用于声明无线电链路故障(RLF)的装置和方法
    • US08867373B2
    • 2014-10-21
    • US13603961
    • 2012-09-05
    • Konstantinos DimouStephen Grant
    • Konstantinos DimouStephen Grant
    • G01R31/08
    • H04W76/18H04W76/19H04W84/045
    • According to one aspect, there is provided a method performed by a communication device for declaring RLF. In some embodiments, the method includes: (1) the communication device establishing a connection with a serving base station; (2) the communication device determining whether to relax a condition for declaring RLF; (3) the communication device using a first rule in declaring an RLF in response to determining that the communication device should not relax the condition; and (4) the communication device using a relaxed rule in declaring an RLF in response to determining that the communication device should relax the condition, wherein the relaxed rule is less stringent than the first rule.
    • 根据一个方面,提供了一种由通信设备执行的用于声明RLF的方法。 在一些实施例中,该方法包括:(1)通信设备与服务基站建立连接; (2)通信装置确定是否放宽用于宣告RLF的条件; (3)所述通信装置响应于确定所述通信装置不应该放松所述条件而使用第一规则来声明RLF; 以及(4)响应于确定所述通信设备应该放松所述条件而使用松弛规则来声明RLF的所述通信设备,其中所述放宽规则不如第一规则严格。