https://community.element14.com/technologies/wireless/w/documents/7518/mu-mimoen-USTelligent Community 12https://community.element14.com/technologies/wireless/w/documents/7518/mu-mimoThu, 07 Oct 2021 07:39:46 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:1138a598-1658-4e83-b17d-ac6647568bffsophie0lovehttps://community.element14.com/technologies/wireless/w/documents/7518/mu-mimo#commentsCurrent Revision posted to Documents by sophie0love on 10/7/2021 7:39:46 AM<br /> <p style="margin:0;"> 针对多用户MIMO下行链路,提出一种双阈值有限反馈机会通信策略.该策略引入双阈值,在每个时隙,仅信道增益满足主阈值要求的用户向基站反馈信息,并成为可被基站调度的候选用户;次级阈值由主阈值推导得到,用于移动用户选择传输方式,包括波束成形和空分复用.基站根据反馈信息从候选用户中选择一个进行通信.理论分析和Monte-Carlo仿真结果表明,该策略能够有效降低反馈开销,获得高的系统容量和好的系统中断性能.</p> <div class="migration-injected-attachments"><div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div><div></div><table style="border:0;"><tbody><tr><td width="160"><span class="_se_attachment" id="attid_https://www.element14.com/community/api/core/v3/attachments/20389"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-05/MU_2D00_MIMO_0B4E4C88FE94EF8DCC5308963C5009675096CD5388993A671A4F1A90E14F567B6575_.pdf">community.element14.com/.../MU_2D00_MIMO_0B4E4C88FE94EF8DCC5308963C5009675096CD5388993A671A4F1A90E14F567B6575_.pdf</a></span></td><td><span style="font-size:80%;">MU-MIMO下行链路双阈值有限反馈机会通信策略.pdf</span></td></tr></tbody></table></div><div style="clear:both;"></div>