免授權(quán)頻譜共享原理與技術(shù)

第1 章 緒論····································································································1
1.1 無線電頻譜························································································1
1.2 靜態(tài)的頻譜管理··················································································2
1.3 免授權(quán)頻譜共享的提出·······································································3
1.4 免授權(quán)頻段現(xiàn)有用戶WiFi 系統(tǒng)···························································5
1.5 免授權(quán)頻譜共享方案···········································································6
1.5.1 LWA···························································································8
1.5.2 LWIP ··························································································8
1.5.3 MulteFire······················································································8
1.5.4 LTE-U·························································································9
1.5.5 LTE-LAA··················································································.10
1.5.6 LTE-eLAA·················································································.12
1.5.7 5G NR-U···················································································.13
參考文獻(xiàn)·································································································.14
第2 章 LTE-LAA 方案的相關(guān)性能分析························································.16
2.1 引言································································································.16
2.2 LTE-LAA 方案的性能分析·······························································.17
2.2.1 系統(tǒng)模型···················································································.17
2.2.2 LTE-LAA 方案···········································································.18
2.2.3 數(shù)學(xué)建模···················································································.20
2.2.4 退避機(jī)制···················································································.24
2.2.5 目標(biāo)參數(shù)分析·············································································.26
2.2.6 仿真結(jié)果與性能分析····································································.28
2.2.7 本節(jié)小結(jié)···················································································.36
2.3 捕獲效應(yīng)下的LTE-LAA 性能分析···················································.37
2.3.1 系統(tǒng)模型···················································································.37
2.3.2 LTE-LAA 方案和WiFi DCF 機(jī)制····················································.39
2.3.3 捕獲模型···················································································.40
2.3.4 數(shù)學(xué)建?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?43
2.3.5 仿真結(jié)果與性能分析····································································.49
2.3.6 本節(jié)小結(jié)···················································································.58
2.4 不完美頻譜探測下的LTE-LAA 性能分析·········································.58
2.4.1 網(wǎng)絡(luò)模型···················································································.59
2.4.2 WiFi DCF 機(jī)制和LBT 機(jī)制···························································.59
2.4.3 不完美頻譜探測下的LTE-LAA 共存性能研究···································.60
2.4.4 仿真結(jié)果與性能分析····································································.69
2.4.5 本節(jié)小結(jié)···················································································.79
2.5 本章總結(jié)·························································································.79
參考文獻(xiàn)·································································································.80
第3 章 LTE-LAA 方案的智能優(yōu)化·······························································.82
3.1 引言································································································.82
3.2 Q 學(xué)習(xí)算法······················································································.83
3.2.1 Q 學(xué)習(xí)算法理論··········································································.83
3.2.2 智能體動作選擇策略····································································.84
3.3 基于混沌Q 學(xué)習(xí)的CWS 選擇算法······················