• 这样试图使用rdch读取信道时,会一直阻塞直到状态可用为止,只有这时,传输完成

    Thus, when you try to read the channel using RDCH, it will block until the status is available, at which point the transfer will be complete.

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  • 一个READY状态MS使用DRX, DRX将在为下行数据传递分配数据包信道时候考虑进去。

    When a GPRS MS in READY state USES DRX, DRX has to be considered when assigning a packet data channel for downlink transfer.

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  • 本文提出算法不仅具有较小的控制协议开销而且信道状态变化具有自适应能力

    The proposed algorithm not only has lithe overhead but also ADAPTS to the changes of channel state.

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  • 基于一定解码状态,声码器通过最小误差MMSE估计方法估计最优参数,充分降低信道误码对重建语音质量的影响

    The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.

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  • 然而目前已有报头压缩方案设计没有无线信道状态考虑在内。

    However, all of existing header compression schemes do not take wireless channel state into consideration when designed.

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  • 提高产品生产质量生产效率降低生产成本本文研究基于无线信道设备状态监测系统

    To improve products quality, production efficiency and reduce production cost, this paper designed a machinery equipment condition monitoring system based on wireless channel.

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  • 维特译码器译码时,应用信道状态信息(CSI),可以明显提高系统性能

    The performance can be improved greatly by using the channel state information (CSI) in Viterbi decoder.

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  • 利用物理层信道状态信息算法物理层(PHY)的子载波分配数据链路DLL)的数据包业务调度结合起来。

    This algorithm combined sub-carrier allocation in the physical(PHY) layer with traffic scheduling at the data link layer (DLL) by employing the channel state information.

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  • 算法给定信道状态模型和存在信道噪声情况下,可以有效地提高矢量量化器的性能实现信道最优矢量量化器设计

    The evolutionary algorithm is introduced into the design of COVQ to achieve a significant improvement of VQ performance for a given noisy channel status model.

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  • 相比原有帐篷映射,多帐篷映射具有诸如满足不同用户需求灵活数据速率信道状态适应性优点

    We find that compared to original tent-map, multi-tent map has some advantages such as flexibility of data rate to satisfy different users' needs and adaptability to channel status.

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  • 传统CDMA技术存在严重的干扰现象使得信道频谱效率不能达到最佳状态

    The traditional CDMA technology has serious multi address interference phenomenon, so the frequency spectrum efficiency of the channel can′t reach the optimal state.

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  • 差分空时不需要任何信道状态信息通信终端处于高速移动环境下衰落信道仍能保持较好的性能

    Differential unitary space-time code(DUSTC) keeps good performance in rapidly fading channels when neither the transmitter nor the receiver knows the channel state information.

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  • 对于专用信道同步用于指示上行下行无线链路同步状态

    For the dedicated channels, synchronisation primitives are used to indicate the synchronisation status of radio links, both in uplink and downlink.

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  • 方法根据当前信道状况设定递增初始状态,选择初始发送校验比特

    With the method, the initial state of incremental redundancy system and the initial sending parity bits according to the channel condition will be set.

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  • 对于发单收天线(MISO)通信系统考虑发射端信道状态信息差错(ECSI)。

    For a multiple input single output (MISO) communications system, the presence of the erroneous channel state information (ECSI) must be taken into consideration.

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  • 直传路径信道状态最佳系统需要利用中继进行传输

    System does not need relay for transmission when the forward pass path channel is in the best state.

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  • 为了解决在未来无线通信系统中对信道状态信息CSI准确预测问题,分析了CSI静态环境参数关系,提出一种基于环境辅助静态参数的参数化信道预测方法。

    The relationship between the channel state information (CSI) and the static channel parameters was analyzed to develop a parametric predictor on the basis of auxiliary environmental static parameters.

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  • 针对MIMO空分复用系统中利用信道状态信息适应选择最佳编码方案有效提高系统性能,提出了一种基于有限比特反馈的预编码联合优化算法。

    In MIMO spatial multiplexing system, channel state information(CSI) is very useful for adaptive selection of the optimal precoding schemes which can enhance system performance effectively.

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  • 利用适应技术,根据信道实际状态自适应比特装载功率控制可以进一步提高系统传输性能

    The performance can be improved more by using adaptive bit loading and power control to match the current channel state.

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  • 需要通过信道估计获得信道状态信息

    It needs channel state information, which is obtained through channel estimation.

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  • 通过对信道状态信息进行判断利用贪婪算法将用户子载波分配比特实现系统功率最小化

    Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.

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  • 已知信道状态信息适应参数可以计算并且可以被编码输入符号结构设计

    Known of channel state information, the adaptive parameter can be calculated, and the input symbols can be coded in the designed structure.

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  • 提出了基于分组等待时间信道状态动态限定轮询协议

    Dynamic limited polling multiple access protocol based on waiting time of packets and channel state is proposed.

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  • 所述权重基于所述信号通信信道状态传输模式确定,所述权重值频率函数

    The weighting values are determined as a function of frequency based upon a state of a communication channel and the transmission mode of the signal.

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  • 通过利用编码中的旋转变性数据融合点无需了解信道状态信息(CSI)即可直接解码

    By elegantly exploiting the rotational invariance property of the coding technology, a direct decoding algorithm without knowing channels state information (CSI) is derived in data gathering node.

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  • 因此如何获得准确MIMO信道状态信息就成为一个关键问题

    Therefore, how to get the MIMO channel information correctly becomes a crucial problem.

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  • 几种方案不同误差特性状态短波信道应用结果进行了评估。

    The results of several schemes applied in short wave channels of different error features are also evaluated.

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  • 采用算法,在给定信道状态模型信道噪声情况下,可有效提高矢量量化器性能仿真实验结果表明该算法可获得传统算法更优的性能增益。

    The algorithm achieves a significant improvement of COVQ performance for a given noisy channel status model over other conventional VQ design methods, as confirmed by experimental results.

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  • 比特信道状态信息回馈适应OFDM比较,自适应SC-FDE系统误码性能更好。

    The performance of BER of the proposed SC-FDE system overcomes adaptive OFDM system with one bit per subcarrier CSI feedback in the same conditions.

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  • 方法利用DFT迭代算法来重构虚载波的频域信道状态信息通过时域滤波方法来抑制噪声

    The channel status information was reconstructed by the new algorithm according to a DFT iterative algorithm. Then the channel noise was suppressed by time domain filter methods.

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