6G多天線與智能超表面技術

第 1 章 緒論····················································································································1
1.1 引言·····························································································································1
1.2 從多天線技術演進到全新智能超表面技術·······························································4
1.3 內容概述及章節(jié)結構··································································································5
第 2 章 蜂窩大規(guī)模 MIMO 技術 ····················································································.6
2.1 序言·····························································································································6
2.1.1 MIMO 技術的發(fā)送和接收 ··············································································6
2.1.2 MIMO 參考信號設計······················································································8
2.1.3 信道信息獲取方式 ··························································································8
2.2 基礎理論 ·····················································································································9
2.2.1 蜂窩大規(guī)模 MIMO 空間復用技術··································································9
2.2.2 蜂窩大規(guī)模 MIMO 空間復用模型································································13
2.2.3 蜂窩大規(guī)模 MIMO 信道狀態(tài)測量································································15
2.3 蜂窩大規(guī)模 MIMO 設計···························································································17
2.4 蜂窩大規(guī)模天線多用戶復用技術 ············································································18
2.4.1 多用戶數(shù)據(jù)傳輸問題 ····················································································19
2.5 波束管理 ···················································································································20
2.5.1 多用戶 MIMO 中在獲知干擾情況下的波束管理 ········································20
2.5.2 以人工智能為基礎的波束管理·····································································22
2.6 虛擬扇區(qū)化 ···············································································································24
第 3 章 蜂窩大規(guī)模 MIMO 技術挑戰(zhàn)與應用 ··································································28
3.1 多小區(qū)協(xié)作機制········································································································28
3.2 蜂窩大規(guī)模 MIMO 技術對網(wǎng)絡架構的影響 ···························································28
3.2.1 蜂窩大規(guī)模 MIMO 天線陣列配置的位置····················································29
3.2.2 異構網(wǎng)絡下同頻與異頻方案·········································································29
3.2.3 異構網(wǎng)絡下雙工方式選擇·············································································31
3.3 降低信道測量開銷技術····························································································31
3.3.1 利用壓縮感知降低開銷技術·········································································31
3.3.2 分維反饋降低開銷技術·················································································32
3.4 非信道互易場景的大規(guī)模 MIMO 技術 ···································································33
3.4.1 非信道互易性問題分析·················································································33
3.4.2 非信道互易場景下大規(guī)模 MIMO 技術應用分析 ········································36
3.4.3 接收端 MIMO 技術應用 ···············································································37
3.5 蜂窩大規(guī)模 MIMO 有源陣列應用···········································································38
3.6 蜂窩大規(guī)模天線 MIMO 技術與高頻段傳輸?shù)慕Y合················································40
3.7 本章小結 ···················································································································40
第 4 章 去蜂窩大規(guī)模 MIMO 技術·················································································41
4.1 序言···························································································································41
4.2 去蜂窩大規(guī)模 MIMO 的發(fā)展···················································································44
4.3 基礎理論 ··············································································