一種單接收天線下的空時(shí)分組碼識(shí)別方法

張立民; 閆文君; 凌青; 孔東明

doi:10.11999/JEIT150390

一種單接收天線下的空時(shí)分組碼識(shí)別方法

doi: 10.11999/JEIT150390 cstr: 32379.14.JEIT150390

1.
(海軍航空工程學(xué)院融合所煙臺(tái) 264001) ②(海軍航空工程學(xué)院電子信息工程系煙臺(tái) 264001) ③(海軍裝備部太原 030027)

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61102167)

計(jì)量
- 文章訪問數(shù): 1550
- HTML全文瀏覽量: 102
- PDF下載量: 494
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2015-04-02
- 修回日期: 2015-07-08
- 刊出日期: 2015-11-19

A Method for Blind Recognition of Space-time Block Coding Using Single Receive Antenna

1.
(Institute of Information Fusion, Naval Aeronautical and Astronautical University, Yantai 264001, China)
2.
(Department of Electronic and Information Engineering, Naval Aeronautical and Astronautical University,Yantai 264001, China)

Funds:

The National Natural Science Foundation of China (61102167)

摘要

摘要: 該文針對(duì)全盲條件下單接收天線的空時(shí)分組碼(STBC)識(shí)別問題，提出一種基于四階累積量識(shí)別方法。使用接收信號(hào)的四階累積量作為特征參數(shù)，利用高階累積量對(duì)零均值高斯噪聲不敏感的特性，首先求取各種STBC的四階累積量理論值，再對(duì)采樣信號(hào)四階累積量進(jìn)行區(qū)間檢測(cè)，從而實(shí)現(xiàn)STBC的識(shí)別。該算法不需要信道信息和噪聲參數(shù)，仿真結(jié)果表明，該算法在單天線條件下性能較好。
- 多輸入多輸出 /
- 單天線識(shí)別 /
- 高階累積量 /
- 空時(shí)分組碼
Abstract: A novel and efficient algorithm is proposed for Space-Time Block Code (STBC) classification, when a single antenna is employed at the receiver. The algorithm exploits the discriminating features provided by the forth-order cumulants of the received signals. Higher-order cumulants (of order greater than 2) are used to eliminate the impact of noise. Firstly, the theoretical value of the different STBCs is caculated, then the samples of STBCs are classified with an interval detector. It does not require estimation of the channel information and signal-to-noise ratio of the transmitted signal. Simulation results show that the proposed method for blind recognition of STBC achieves good performance.
- MIMO /
- Single antenna classification /
- Higher-order cumulants /
- Space-Time Block Code (STBC)

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參考文獻(xiàn)(25)

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