p*****g
发帖数: 996 | 1 Given perfect CSI at the receiver but no CSI at the transmitter, why a 2x1
MISO system is better than a 1x2 SIMO system (and in terms of what)?
Thank you! |
d***o
发帖数: 181 | |
p*****g
发帖数: 996 | 3 为什么？不考虑receiver side的size/cost constraint
【在 d***o 的大作中提到】
: 反了吧，simo要比miso好
|
s***c
发帖数: 639 | 4 好哪了？capacity还是diversity
【在 p*****g 的大作中提到】
: Given perfect CSI at the receiver but no CSI at the transmitter, why a 2x1
: MISO system is better than a 1x2 SIMO system (and in terms of what)?
: Thank you!
|
s*****t
发帖数: 987 | |
l*********o
发帖数: 736 | 6 有CSIT 2X1 和1X2 都一样的diversity gain
只有csiR
1X2 相当于最大比合并
2X1需要用alamouti码 时间上增加维度 才能有分集增益 但接收端没有array gain信噪
比 没有1x2高 |
