In this paper, a novel multipath diversity scheme used in TDD CDMA systems is proposed.
本文提出了TDDCD MA系统的一种新的多径分集方案。
Known are wireless digital communication systems (1) applying an antenna diversity scheme to combat fading in a received signal as received by a receiver in the system.
利用天线分集方案以便在系统中消除接收机接收到的信号的衰减现象的无线数字通信系统(1)是已知的。
Simulation results demonstrate the validity of the novel labeled-delay transmit diversity scheme and the performance of the blind estimation of frequency-selective channels.
仿真结果表明了上述标签延迟发射分集方法的有效性及其信道盲估计方法的性能。
The open loop transmit diversity scheme, named as STTD, and two feedback close loop transmit diversity schemas in downlink channel communication was defined in WCDMA standard.
WCDMA标准在下行信道传输中采用了称作STTD的开环发射分集方案和两种反馈模式的闭环发射分集方案。
The scheme proves to be an approach that promotes diversity of space.
这被证明是一种使空间多变的方法。
This paper present a scheme that applies transmit diversity technique to improve robustness of digital watermarking.
本文提出了一种应用传输分集技术改善数字水印的稳健性的方案。
Results of the performance analysis show this scheme provides more benefit of diversity to overcome fading than the conventional single antenna RAKE receiver, and so gets better BER performance.
数值分析结果表明，该方案在单天线RAKE分集基础上进一步增强多径分集效果，能较大地改善误码率性能和提高系统的抗衰落能力。
According to space time block coding based transmitting antenna diversity (STTD) in the WCDMA system, this paper presents a reception scheme based on maximal ratio combining (MRC).
针对WCDMA下行链路空时编码发送分集(STTD)确定了基于最大比合并(mrc)的分集接收方案，并对其进行了性能分析。
Using this new scheme, higher diversity order and coding gain can be achieved than STBC at the same coding rate.
这种编码在相同的码速率下，实现了比stbc更大的分集度和更高的编码增益。
For the OFDM system, a scheme of combining space-time code with the adaptive power control technology is proposed with simulation results, which increases the diversity gain and the adaptive gain.
对OFDM系统提出将空时编码与自适应功率控制技术相结合，给出了仿真结果，提高了分集增益和自适应增益。
For any coding scheme, the diversity performance is distinctive under different UCTP, it is mainly due to the different Utilization of frequencies resources.
对于特定的编码方案，不同的协议，其分集性能并不相同，主要是由于频率资源利用的不同引起的。
This paper presents a new differential detection scheme for transmit diversity, when neither the transmitter nor the receiver has the channel state information.
本文提出一种收发端均不知道信道状态信息情况下发射分集差分检测新方法。
The key feature of the proposed scheme is that, the cognitive relay combines cooperative transmission and cooperative relay, as a result, both spatial diversity and spectrum diversity can be obtained.
该方案的主要特征是，认知中继使用的协作机制结合了协作传输和协作中继，可以获得空间分集和频谱分集增益。
The key feature of the proposed scheme is that, the cognitive relay combines cooperative transmission and cooperative relay, as a result, both spatial diversity and spectrum diversity can be obtained.
该方案的主要特征是，认知中继使用的协作机制结合了协作传输和协作中继，可以获得空间分集和频谱分集增益。
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