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Method of receiving radio transmission by multiple antenna array

A wireless transmission, multi-antenna technology used in diversity/multi-antenna systems, error prevention/detection through diversity reception, space transmit diversity, etc.

Inactive Publication Date: 2006-01-25
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as can be seen from its implementation steps, there is still room to increase its efficiency

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  • Method of receiving radio transmission by multiple antenna array
  • Method of receiving radio transmission by multiple antenna array
  • Method of receiving radio transmission by multiple antenna array

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Embodiment Construction

[0059] In the method of US Patent No. 6,600,796 by generalized inverse matrix H α + = P 1 / 2 Q α * Get a linear minimum mean square error estimate of the transmitted signal vector s. In the method of the present invention, the linear minimum mean square error estimate of the transmitted signal vector s is obtained by another matrix G:

[0060]

[0061] The matrix G here, referred to as the minimum mean square error signal estimation matrix in this paper, is defined by the following formula: G=P 1 / 2 (P 1 / 2 ) * h *

[0062] by P 1 / 2 The formula for deriving the Mth zero-forcing vector is

[0063] G M = p M 1 / 2 [ ...

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Abstract

A method for receiving radio transmission by multi-antenna array uses minimum mean square error signal to estimate matrix G for obtaining linear minimum mean square error estimation of emitting signal vectors. It the method , solving out P 1 / 2 is the only requirement and only P1 / 2 is required to be refreshed at each time in iteration process for obtaining approximate-zero vector .

Description

technical field [0001] The present invention relates to wireless and radio frequency communication systems, in particular to a signal receiving method of a digital wireless communication system using multi-antenna arrays at both the transmitting end and the receiving end. Background technique [0002] According to the prediction of information theory, the factors that determine the final bit rate that a digital wireless communication system can transmit data include: the total transmission power of the transmitter, the number of antenna elements at the transmitter and receiver, the bandwidth, the noise power of the receiver, and the propagation environment characteristics. Most conventional systems use a single transmit antenna element and a single receive antenna element. However, the industry has realized that the use of multiple antenna arrays at the transmitter, receiver, or both at the same time can greatly increase the bit rate. US Patent No. 6,097,771 proposes a wir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/08H04L1/06
Inventor 朱胡飞
Owner ZTE CORP