公开(公告)号：US07352720B2

公开(公告)日：2008-04-01

申请号：US10840977

申请日：2004-05-07

申请人： Li Fung Chang ,  Yongqian Wang ,  Huaiyu Zeng ,  Xiaoxin Qiu ,  Baoguo Yang

发明人： Li Fung Chang ,  Yongqian Wang ,  Huaiyu Zeng ,  Xiaoxin Qiu ,  Baoguo Yang

IPC分类号： H04Q7/00

CPC分类号： H04L1/0068 ,  H04L1/0026 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/203 ,  H04L1/206 ,  H04L1/208 ,  H04L25/067

摘要： RF communications received by a wireless terminal from a servicing base station are used to determine the BEP. These RF communications may be in the form of RF bursts that are part of a data frame. The signal to noise ratio (SNR) of the RF burst is determined and a sequence of soft decisions from the RF burst are extracted. The SNR maps to an estimated BEP based upon the modulation format and coding scheme of the RF burst. The soft decisions decode to produce a data block. When the soft decisions decoded favorably, the re-encoded data block produces a sequence of re-encoded decisions. Comparing the re-encoded decisions to the soft decisions yields a re-encoded bit error (RBER). When the decoding is unsuccessful, the BEP is estimated only upon the estimated BEP derived from the SNR. Otherwise, both the estimated BEP and RBER may be used to determine the BEP.

摘要翻译： 使用无线终端从服务基站接收的RF通信来确定BEP。 这些RF通信可以是作为数据帧的一部分的RF突发的形式。 确定RF突发的信噪比（SNR），并提取来自RF突发的软判决序列。 基于RF突发的调制格式和编码方案，SNR映射到估计的BEP。 软判决解码以产生数据块。 当软判决被有利地解码时，重新编码的数据块产生重新编码的决定的序列。 将重新编码的决定与软判决进行比较产生重编码位错误（RBER）。 当解码不成功时，仅根据从SNR得到的估计的BEP来估计BEP。 否则，估计的BEP和RBER都可以用于确定BEP。

公开(公告)号：US07756483B2

公开(公告)日：2010-07-13

申请号：US11714982

申请日：2007-03-07

申请人： Li Fung Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson R. Sollenberger

发明人： Li Fung Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson R. Sollenberger

IPC分类号： H04B17/00

CPC分类号： H04L27/0012 ,  H04B17/327 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0045 ,  H04L1/0075 ,  H04L1/203 ,  H04L25/03261 ,  H04L25/03318

摘要： RF communications received by a wireless terminal from a servicing base station are used to determine the channel quality such as reported bit error probability (BEP). The RF communications may be in the form of RF bursts that are part of a data frame. An estimated BEP may be determined from the signal to noise ratio (SNR) of the RF bursts and or a sequence of soft decisions extracted from the RF bursts, and their historical performance. The SNR maps to an estimated BEP based upon the modulation format of the RF bursts. The soft decisions decode to produce a data block. When the soft decisions decoded favorably, the re-encoded data block produces a sequence of re-encoded decisions. Comparing the re-encoded decisions to the soft decisions yields a re-encoded bit error (RBER). The reported BEP may be based upon the estimated BEP, RBER, and/or RBER threshold. The RBER threshold may be adaptively incremented or decremented depending upon whether or not the RF communications were properly decoded. The size of the increment or decrement may be based on the channel quality.

摘要翻译： 使用无线终端从服务基站接收的RF通信来确定诸如所报告的比特错误概率（BEP）的信道质量。 RF通信可以是作为数据帧的一部分的RF突发的形式。 可以根据RF突发的信噪比（SNR）和从RF突发提取的一系列软判决及其历史性能来确定估计的BEP。 SNR基于RF突发的调制格式映射到估计的BEP。 软判决解码以产生数据块。 当软判决被有利地解码时，重新编码的数据块产生一系列重新编码的决定。 将重新编码的决定与软判决进行比较产生重编码位错误（RBER）。 报告的BEP可以基于估计的BEP，RBER和/或RBER阈值。 RBER阈值可以根据RF通信是否被正确解码而自适应地递增或递减。 增量或减量的大小可以基于通道质量。

公开(公告)号：US07203461B2

公开(公告)日：2007-04-10

申请号：US10845955

申请日：2004-05-14

申请人： Li Fung Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson R. Sollenberger

发明人： Li Fung Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson R. Sollenberger

IPC分类号： H04B17/00

CPC分类号： H04L1/0021 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0059 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/203 ,  H04L1/206 ,  H04L25/067

摘要： RF communications received by a wireless terminal from a servicing base station are used to determine the channel quality such as reported bit error probability (BEP). The RF communications may be in the form of RF bursts that are part of a data frame. An estimated BEP may be determined from the signal to noise ratio (SNR) of the RF bursts and or a sequence of soft decisions extracted from the RF bursts, and their historical performance. The SNR maps to an estimated BEP based upon the modulation format of the RF bursts. The soft decisions decode to produce a data block. When the soft decisions decoded favorably, the re-encoded data block produces a sequence of re-encoded decisions. Comparing the re-encoded decisions to the soft decisions yields a re-encoded bit error (RBER). The reported BEP may be based upon the estimated BEP, RBER, and/or RBER threshold. The RBER threshold may be adaptively incremented or decremented depending upon whether or not the RF communications were properly decoded. The size of the increment or decrement may be based on the channel quality.

公开(公告)号：US07366254B2

公开(公告)日：2008-04-29

申请号：US11636032

申请日：2006-12-08

申请人： Li Fung Chang ,  Nelson R. Sollenberger ,  Yongqian Wang ,  Aki Shohara ,  Yue Chen

发明人： Li Fung Chang ,  Nelson R. Sollenberger ,  Yongqian Wang ,  Aki Shohara ,  Yue Chen

IPC分类号： H03K9/00

CPC分类号： H04L1/0059 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/1816 ,  H04L1/1819 ,  H04L1/1829 ,  H04L1/1835 ,  H04L1/1845 ,  H04L1/203 ,  H04L1/208 ,  H04L25/03006 ,  H04L25/03318 ,  H04L25/067 ,  H04L27/0008 ,  H04L2025/03401 ,  H04L2025/03407 ,  H04L2025/03726 ,  H04L2027/0038

摘要： A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes a baseband processor, an equalizer, a system processor, and an IR processing module. The baseband processor receives an analog signal corresponding to a data block and samples the analog signal to produce samples. The equalizer receives the samples from the baseband processor, equalizes the samples, and produces soft decision bits corresponding to the data block. The equalizer may be implemented as a distinct processing component or may be performed by the baseband processor or system processor. The system processor receives at least the soft decision bits and initiates IR operations. The IR processing module receives the soft decision bits of the data block and performs IR operations on the data block in an attempt to correctly decode a corresponding data block.

摘要翻译： 用于在无线接收机中实现增量冗余（IR）操作的系统包括基带处理器，均衡器，系统处理器和IR处理模块。 基带处理器接收对应于数据块的模拟信号，并对模拟信号进行采样以产生采样。 均衡器从基带处理器接收样本，对采样进行均衡，并产生与数据块相对应的软判决位。 均衡器可以被实现为不同的处理组件，或者可以由基带处理器或系统处理器执行。 系统处理器至少接收软判决位，并启动IR操作。 IR处理模块接收数据块的软判决位，并对数据块执行IR操作，以试图正确解码对应的数据块。

公开(公告)号：US20070288547A1

公开(公告)日：2007-12-13

申请号：US11843903

申请日：2007-08-23

申请人： Li Fung Chang ,  Yongqian Wang

发明人： Li Fung Chang ,  Yongqian Wang

IPC分类号： G06F15/16

CPC分类号： H04L1/0059 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/1816 ,  H04L1/1819 ,  H04L1/1829 ,  H04L1/1835 ,  H04L1/1845 ,  H04L1/203 ,  H04L1/208 ,  H04L25/03006 ,  H04L25/03318 ,  H04L25/067 ,  H04L27/0008 ,  H04L2025/03401 ,  H04L2025/03407 ,  H04L2025/03726 ,  H04L2027/0038

摘要： A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes at least one processing device, an IR processing function, and IR memory. The at least one processing device is operable to receive analog signals corresponding to a data block, to sample the analog signals to produce samples, to equalize the samples to produce soft decision bits corresponding to the data block, and to initiate IR operations. The IR processing function is operable to perform IR operations on the soft decision bits of the data block in an attempt to correctly decode the data block. The IR memory operably couples to the IR processing function, includes Type I IR memory adapted to store IR status information of the data block, and includes Type II IR memory adapted to store the data block.

摘要翻译： 用于在无线接收机中实现增量冗余（IR）操作的系统包括至少一个处理设备，IR处理功能和IR存储器。 所述至少一个处理装置可操作以接收对应于数据块的模拟信号，以对所述模拟信号进行采样以产生样本，以使样本均衡以产生与所述数据块相对应的软判决位，并发起IR操作。 IR处理功能可操作以对数据块的软判决位执行IR操作，以尝试正确解码数据块。 IR存储器可操作地耦合到IR处理功能，包括适于存储数据块的IR状态信息的I型IR存储器，并且包括适于存储数据块的II型IR存储器。

公开(公告)号：US07272768B2

公开(公告)日：2007-09-18

申请号：US10731804

申请日：2003-12-09

申请人： Li Fung Chang ,  Yongqian Wang

发明人： Li Fung Chang ,  Yongqian Wang

IPC分类号： H03M13/00

CPC分类号： H04L1/0059 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/1816 ,  H04L1/1819 ,  H04L1/1829 ,  H04L1/1835 ,  H04L1/1845 ,  H04L1/203 ,  H04L1/208 ,  H04L25/03006 ,  H04L25/03318 ,  H04L25/067 ,  H04L27/0008 ,  H04L2025/03401 ,  H04L2025/03407 ,  H04L2025/03726 ,  H04L2027/0038

摘要： A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes at least one processing device, an IR processing function, and IR memory. The at least one processing device is operable to receive analog signals corresponding to a data block, to sample the analog signals to produce samples, to equalize the samples to produce soft decision bits corresponding to the data block, and to initiate IR operations. The IR processing function is operable to perform IR operations on the soft decision bits of the data block in an attempt to correctly decode the data block. The IR memory operably couples to the IR processing function, includes Type I IR memory adapted to store IR status information of the data block, and includes Type II IR memory adapted to store the data block.

摘要翻译： 用于在无线接收机中实现增量冗余（IR）操作的系统包括至少一个处理设备，IR处理功能和IR存储器。 所述至少一个处理装置可操作以接收对应于数据块的模拟信号，以对所述模拟信号进行采样以产生样本，以使样本均衡以产生与所述数据块相对应的软判决位，并发起IR操作。 IR处理功能可操作以对数据块的软判决位执行IR操作，以尝试正确解码数据块。 IR存储器可操作地耦合到IR处理功能，包括适于存储数据块的IR状态信息的I型IR存储器，并且包括适于存储数据块的II型IR存储器。

公开(公告)号：US07164732B2

公开(公告)日：2007-01-16

申请号：US10731803

申请日：2003-12-09

申请人： Li Fung Chang ,  Nelson Sollenberger ,  Yongqian Wang ,  Aki Shohara ,  Yue Chen

发明人： Li Fung Chang ,  Nelson Sollenberger ,  Yongqian Wang ,  Aki Shohara ,  Yue Chen

IPC分类号： H04L27/00

CPC分类号： H04L1/0059 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/1816 ,  H04L1/1819 ,  H04L1/1829 ,  H04L1/1835 ,  H04L1/1845 ,  H04L1/203 ,  H04L1/208 ,  H04L25/03006 ,  H04L25/03318 ,  H04L25/067 ,  H04L27/0008 ,  H04L2025/03401 ,  H04L2025/03407 ,  H04L2025/03726 ,  H04L2027/0038

摘要： A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes a baseband processor, an equalizer, a system processor, and an IR processing module. The baseband processor receives an analog signal corresponding to a data block and samples the analog signal to produce samples. The equalizer receives the samples from the baseband processor, equalizes the samples, and produces soft decision bits corresponding to the data block. The equalizer may be implemented as a distinct processing component or may be performed by the baseband processor or system processor. The system processor receives at least the soft decision bits and initiates IR operations. The IR processing module receives the soft decision bits of the data block and performs IR operations on the data block in an attempt to correctly decode a corresponding data block.

摘要翻译： 用于在无线接收机中实现增量冗余（IR）操作的系统包括基带处理器，均衡器，系统处理器和IR处理模块。 基带处理器接收对应于数据块的模拟信号，并对模拟信号进行采样以产生采样。 均衡器从基带处理器接收样本，对采样进行均衡，并产生与数据块相对应的软判决位。 均衡器可以被实现为不同的处理组件，或者可以由基带处理器或系统处理器执行。 系统处理器至少接收软判决位，并启动IR操作。 IR处理模块接收数据块的软判决位，并对数据块执行IR操作，以试图正确解码对应的数据块。

公开(公告)号：US08874167B2

公开(公告)日：2014-10-28

申请号：US12816782

申请日：2010-06-16

申请人： Xiaoxin Qiu ,  Yuan Liu ,  Yaxin Cao ,  Zhijun Gong ,  Yongqian Wang ,  Stephen Richards

发明人： Xiaoxin Qiu ,  Yuan Liu ,  Yaxin Cao ,  Zhijun Gong ,  Yongqian Wang ,  Stephen Richards

IPC分类号： H04B1/38 ,  H04W48/18 ,  H04W88/06

CPC分类号： H04W48/18 ,  H04W8/183 ,  H04W88/06

摘要： A communication device comprises a single radio resource unit that is shared by a plurality of virtual modems (VMs), each uniquely associated with a single one of a plurality of SIM cards. Traffic related to the SIM cards are concurrently handled utilizing corresponding VMs. Available radio resource in the single radio resource unit are shared by the VMs based on corresponding VM states, namely, an active state, an idle state and a suspended state. VMs in an idle state concurrently monitor paging events and concurrently perform idle mode procedures such as location updating. VMs not related to an intended traffic are suspended. A VM related to the intended traffic is transitioned from an idle state to an active state to enable the communication for the intended traffic. Once the communication is complete, the suspended VMs are resumed to continue idle mode activities.

摘要翻译： 通信设备包括由多个虚拟调制解调器（VM）共享的单个无线电资源单元，每个单独的无线电资源单元唯一地与多个SIM卡中的单个的SIM卡相关联。 使用相应的虚拟机同时处理与SIM卡有关的流量。 单个无线电资源单元中的可用无线电资源由VM根据相应的VM状态，即活动状态，空闲状态和挂起状态共享。 处于空闲状态的虚拟机同时监视寻呼事件并同时执行空闲模式过程，如位置更新。 与预期流量无关的虚拟机将被暂停。 与预期流量相关的虚拟机从空闲状态转换到活动状态，以实现预期流量的通信。 通信完成后，恢复暂停的虚拟机以继续空闲模式活动。

公开(公告)号：US20110117909A1

公开(公告)日：2011-05-19

申请号：US12901322

申请日：2010-10-08

申请人： Yaxin Cao ,  Yuan Liu ,  Zhijun Gong ,  Yongqian Wang ,  Xiaoxin Qiu ,  Stephen Richards

发明人： Yaxin Cao ,  Yuan Liu ,  Zhijun Gong ,  Yongqian Wang ,  Xiaoxin Qiu ,  Stephen Richards

IPC分类号： H04W24/00

CPC分类号： H04W48/18 ,  H04W8/183 ,  H04W88/06

摘要： A multiple-subscriber identity module (multi-SIM) multi-standby communication device comprises a single radio resource unit shared by a plurality of virtual modems (VMs), each uniquely associated with a single one of a plurality of SIM cards. The access to radio resources in the single radio resource unit is controlled via a virtual modem controller (VMC). The VMC collects performance metrics such as requested service type and signal quality associated with each of the VMs. A VM is selected based on the collected performance metrics to perform a requested service. A serving VM is switched among the VMs based on the collected performance metrics. VM capabilities are dynamically configured based on the collected performance metrics. According to the collected performance metrics such as associated navigation information and requested service type, one or more VMs may be turned on or off, and certain VM capabilities may be enabled or disabled to save resources.

摘要翻译： 多用户识别模块（multi-SIM）多待机通信设备包括由多个虚拟调制解调器（VM）共享的单个无线电资源单元，每个单独的无线电资源单元与多个SIM卡中的单个的唯一相关联。 通过虚拟调制解调器控制器（VMC）控制对单个无线电资源单元中无线电资源的访问。 VMC收集性能指标，例如与每个VM相关联的所请求的服务类型和信号质量。 基于收集的性能度量来选择VM以执行所请求的服务。 基于收集的性能指标，在VM之间切换服务VM。 VM功能根据收集的性能指标进行动态配置。 根据所收集的性能指标，例如相关的导航信息和所请求的服务类型，可以打开或关闭一个或多个VM，并且可以启用或禁用某些VM功能来节省资源。

公开(公告)号：US20070155334A1

公开(公告)日：2007-07-05

申请号：US11714982

申请日：2007-03-07

申请人： Li Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson Sollenberger

发明人： Li Chang ,  Yongqian Wang ,  Xiaoxin Qiu ,  Nelson Sollenberger

IPC分类号： H04B17/00

CPC分类号： H04L27/0012 ,  H04B17/327 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0045 ,  H04L1/0075 ,  H04L1/203 ,  H04L25/03261 ,  H04L25/03318

摘要： RF communications received by a wireless terminal from a servicing base station are used to determine the channel quality such as reported bit error probability (BEP). The RF communications may be in the form of RF bursts that are part of a data frame. An estimated BEP may be determined from the signal to noise ratio (SNR) of the RF bursts and or a sequence of soft decisions extracted from the RF bursts, and their historical performance. The SNR maps to an estimated BEP based upon the modulation format of the RF bursts. The soft decisions decode to produce a data block. When the soft decisions decoded favorably, the re-encoded data block produces a sequence of re-encoded decisions. Comparing the re-encoded decisions to the soft decisions yields a re-encoded bit error (RBER). The reported BEP may be based upon the estimated BEP, RBER, and/or RBER threshold. The RBER threshold may be adaptively incremented or decremented depending upon whether or not the RF communications were properly decoded. The size of the increment or decrement may be based on the channel quality.

摘要翻译： 使用无线终端从服务基站接收的RF通信来确定诸如所报告的比特错误概率（BEP）的信道质量。 RF通信可以是作为数据帧的一部分的RF突发的形式。 可以根据RF突发的信噪比（SNR）和从RF突发提取的一系列软判决及其历史性能来确定估计的BEP。 SNR基于RF突发的调制格式映射到估计的BEP。 软判决解码以产生数据块。 当软判决被有利地解码时，重新编码的数据块产生一系列重新编码的决定。 将重新编码的决定与软判决进行比较产生重编码位错误（RBER）。 报告的BEP可以基于估计的BEP，RBER和/或RBER阈值。 RBER阈值可以根据RF通信是否被正确解码而自适应地递增或递减。 增量或减量的大小可以基于通道质量。