包邮免授权频谱共享原理与技术

第1 章 绪论····································································································1
1.1 无线电频谱························································································1
1.2 静态的频谱管理··················································································2
1.3 免授权频谱共享的提出·······································································3
1.4 免授权频段现有用户WiFi 系统···························································5
1.5 免授权频谱共享方案···········································································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
参考文献·································································································.14
第2 章 LTE-LAA 方案的相关性能分析························································.16
2.1 引言································································································.16
2.2 LTE-LAA 方案的性能分析·······························································.17
2.2.1 系统模型···················································································.17
2.2.2 LTE-LAA 方案···········································································.18
2.2.3 数学建模···················································································.20
2.2.4 退避机制···················································································.24
2.2.5 目标参数分析·············································································.26
2.2.6 仿真结果与性能分析····································································.28
2.2.7 本节小结···················································································.36
2.3 捕获效应下的LTE-LAA 性能分析···················································.37
2.3.1 系统模型···················································································.37
2.3.2 LTE-LAA 方案和WiFi DCF 机制····················································.39
2.3.3 捕获模型···················································································.40
2.3.4 数学建模···················································································.43
2.3.5 仿真结果与性能分析····································································.49
2.3.6 本节小结···················································································.58
2.4 不完美频谱探测下的LTE-LAA 性能分析·········································.58
2.4.1 网络模型···················································································.59
2.4.2 WiFi DCF 机制和LBT 机制···························································.59
2.4.3 不完美频谱探测下的LTE-LAA 共存性能研究···································.60
2.4.4 仿真结果与性能分析····································································.69
2.4.5 本节小结···················································································.79
2.5 本章总结·························································································.79
参考文献·································································································.80
第3 章 LTE-LAA 方案的智能优化·······························································.82
3.1 引言································································································.82
3.2 Q 学习算法······················································································.83
3.2.1 Q 学习算法理论··········································································.83
3.2.2 智能体动作选择策略····································································.84
3.3 基于混沌Q 学习的CWS 选择算法······················