The area spectral efficiency of fully loaded cellular radio communication systems with variable-rate transmission is investigated.

研究采用可变速率传输的满负荷蜂窝无线通信系统的面积频谱效率。

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The peak spectral efficiency of MMSE detectors decreases as the number of transmission antennas increases and increases as the number of receiving antennas increases.

线性MMSE检测子的峰值频谱效率与发送天线数有关，随发送天线数的增加而减小，随接收天线数的增加而增大。

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A downlink power allocation scheme was developed to improve the spectral efficiency of distributed wireless communication systems (DWCS).

为了提高分布式无线通信系统(DWCS)的频谱效率，提出了一种下行功率分配算法。

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Riding on cutting-edge technologies such as flex oDSP, super SD-FEC, and flex modulation format, this field trial achieved a record-breaking transmission distance of 1, 500 km using a super-channel PDM-16QAM-based high spectral efficiency solution, and a second record-breaking transmission distance of 3, 325 km using a super-channel Nyquist PDM-QPSK-based ultra-long-haul solution.

ENGADGET: Huawei tests 2Tbps data transmission over Vodafone's German network, calls it a 'first'