On the Capacity of the Half-Duplex MIMO Gaussian Diamond Channel

被引：0
|
作者：
Mampilly, Antony V. [1 ]
Bhashyam, Srikrishna [1 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India
来源：
PROCEEDINGS OF 2016 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS (ISITA 2016) | 2016年
关键词：
NETWORK;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we analyze the 2-relay multiple-input multiple-output (MIMO) Gaussian diamond channel. We show that a multihopping decode-and-forward with multiple access (MDF-MAC) protocol achieves rates within a constant gap from capacity when a channel parameter A is greater than zero. We also identify the transmit covariance matrices to be used by each relay in the multiple-access (MAC) state of the MDF-MAC protocol. As done for the single-antenna 2-relay Gaussian diamond channel, the channel parameter A is defined to be the difference between the product of the capacities of the links from the source to the two relays and the product of the capacities of the links from the two relays to the destination.
引用
收藏
页码：728 / 732
页数：5
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