基于容量相關(guān)字典的5G毫米波大規(guī)模天線單元選擇算法

王琦; 趙雄文; 張蕊; 李樹; 王蒙軍; 孫韶輝

doi:10.11999/JEIT170228

基于容量相關(guān)字典的5G毫米波大規(guī)模天線單元選擇算法

doi: 10.11999/JEIT170228

1.
(華北電力大學(xué)電氣與電子工程學(xué)院北京 102206) ②(中國電波傳播研究所電波環(huán)境特性與?；夹g(shù)國家重點(diǎn)實(shí)驗(yàn)室青島 266107) ③(電信科學(xué)技術(shù)研究院無線移動通信國家重點(diǎn)實(shí)驗(yàn)室北京 100191)

基金項(xiàng)目:

中國電波傳播研究所電波環(huán)境特性與模化技術(shù)國防重點(diǎn)實(shí)驗(yàn)室基金(201600012)，電信科學(xué)技術(shù)研究院無線移動通信國家重點(diǎn)實(shí)驗(yàn)室基金(DTimo.15.094)，中央高?；?2015XS19)

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出版歷程
- 收稿日期: 2017-03-20
- 修回日期: 2017-06-28
- 刊出日期: 2017-12-19

Antenna Selection Algorithm Using Capacity Correlation Dictionary for 5G Millimeter Wave Massive Antenna Systems

1.
(School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)

Funds:

The National Key Laboratory of Electromagnetic Environment(201600012), China Research Institute of Radiowave Propagation, The State Key Laboratory of Wireless Mobile Communications, China Academy of Telecommunications Technology (DTimo.15.094), The Fundamental Research Funds for the Central Universities (2015XS19)

摘要

摘要: 針對傳統(tǒng)天線選擇算法在大規(guī)模天線陣列應(yīng)用中的局限性，該文在多用戶場景下提出一種基于容量相關(guān)字典的5G毫米波大規(guī)模天線隨機(jī)選擇算法。該算法通過特定環(huán)境中不同位置處的多用戶與基站的交互，快速提取大規(guī)模天線單元間容量的強(qiáng)弱相關(guān)特性，并建立相關(guān)字典；在天線選擇時(shí)，先搜索最優(yōu)信道容量單元連接射頻鏈路，再隨機(jī)選擇相關(guān)字典中與最優(yōu)單元容量相關(guān)大的天線單元接入其余射頻鏈路。該方法大大降低了傳統(tǒng)天線選擇算法應(yīng)用的復(fù)雜度，只與環(huán)境有關(guān)且較為穩(wěn)定，當(dāng)新用戶加入時(shí)也無需重新建立相關(guān)字典。該方法通過損失一部分性能來換取較低的復(fù)雜度，適用于天線單元多的大規(guī)模天線陣列。此外，該文在室內(nèi)開放式辦公室開展了26 GHz視距和非視距下的大規(guī)模天線信道測試，分析了不同場景下的天線陣列行間單元間的容量相關(guān)性，并對該算法的系統(tǒng)信道容量性能進(jìn)行了實(shí)驗(yàn)驗(yàn)證。
- 大規(guī)模天線系統(tǒng) /
- 相關(guān)字典 /
- 隨機(jī)選擇 /
- 毫米波
Abstract: In order to solve the limitation to use the traditional antenna selection algorithm in a massive antenna for fifth Generation (5G) system, a random antenna selection algorithm based on the dictionary of capacity correlation in multi-users scenario is proposed. Before the dictionary is built, the correlation characteristics among antenna units are abstracted by the interactions between the base station and users at different locations. It needs to search the antenna unit with optimal capacity to connect one Radio Frequency (RF) link, and the reminder RF links can select the antennas randomly which have the large correlation with the optimal one in the dictionary. The method is applicable to massive antennas system because of its low complexity and stability. Moreover, there is no need to renew the dictionary for coming new users. In addition, the massive antenna channel measurements in an open office including line-of-sight and none-line-of-sight at 26 GHz are carried out to analyze the capacity correlations among the antenna units located in different rows as well as to verify the system capacity performance with the random antenna selection algorithm proposed in this work.
- Massive antenna system /
- Dictionary of capacity correlation /
- Random selection /
- Millimeter wave

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參考文獻(xiàn)(21)

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