计算机系统应用
計算機繫統應用
계산궤계통응용
APPLICATIONS OF THE COMPUTER SYSTEMS
2014年
4期
218-220,188
,共4页
MIMO%SLNR%用户调度准则
MIMO%SLNR%用戶調度準則
MIMO%SLNR%용호조도준칙
MIMO%SLNR%user scheduling criteria
多用户MIMO 系统中,基于SLNR(signal-to-leakage-and-noise,信漏噪比)的预编码方案能够同时考虑噪声和信号泄漏问题,不但提高了系统性能,同时降低了系统的复杂度,但要求基站同时服务的数据流数之和不得大于其发射天线数。因此,当用户数较多时,需要进行用户调度。基于 SLNR 的用户调度准则只需要知道其他用户的信道信息,并能够合理的选择用户,通过仿真得知,该调度准则能够使系统获得良好的性能。
多用戶MIMO 繫統中,基于SLNR(signal-to-leakage-and-noise,信漏譟比)的預編碼方案能夠同時攷慮譟聲和信號洩漏問題,不但提高瞭繫統性能,同時降低瞭繫統的複雜度,但要求基站同時服務的數據流數之和不得大于其髮射天線數。因此,噹用戶數較多時,需要進行用戶調度。基于 SLNR 的用戶調度準則隻需要知道其他用戶的信道信息,併能夠閤理的選擇用戶,通過倣真得知,該調度準則能夠使繫統穫得良好的性能。
다용호MIMO 계통중,기우SLNR(signal-to-leakage-and-noise,신루조비)적예편마방안능구동시고필조성화신호설루문제,불단제고료계통성능,동시강저료계통적복잡도,단요구기참동시복무적수거류수지화불득대우기발사천선수。인차,당용호수교다시,수요진행용호조도。기우 SLNR 적용호조도준칙지수요지도기타용호적신도신식,병능구합리적선택용호,통과방진득지,해조도준칙능구사계통획득량호적성능。
In multi-user MIMO system based on the SLNR (signal-to-leakage-and-noise) of the pre-coding scheme taking the problems of noise and signal leakage into account, not only improve the system performance but also reduce the complexity of the system. However, the base station is required to service at the same time the number of data streams is not greater than the number of transmit antennas. Therefore, when the number of users is large, the need for the user scheduling. While the user scheduling pre-coding algorithm based on SLNR only need to know the channel information of other users, and reasonable choice of the user, proven, the system can get good performance.
