This paper presents an overview of the 5G NR radio interface as specified by 3GPP. Specifically, the paper covers 5G NR in IMT2020 context, key design criteria and requirements, fundamental technology components of 5G NR,RF requirements and spectrum bands, Radio Resource Management and Link Monitoring and co-existence/sharing of 5G NR and LTE.
2021-10-23 19:51:46 3.8MB 5G NR radio interf
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Wiley)The Mobile Radio Propagation Channel(2nd Edition).pdf
2021-10-23 16:27:47 4.01MB Wiley)The Mobile Radio Propagation
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android ota-radio-2_22_19_26I
2021-10-21 23:19:09 8.76MB radio
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gnu radio入门教材中文版,简单介绍了Gnu Radio的一些基本操作。
2021-10-20 15:10:31 1.92MB Gnu Radio Usrp OPENBTS
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一个使用PLUTOSDR进行FM频道接收以及发射的示例。
2021-10-09 18:11:29 26.83MB PLUTOSDR GNU RADIO 软件无线电
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Solid State Radio Engineering (F.H.Raab) PDF~~~~~~~
2021-10-09 17:25:19 29.53MB Solid State Radio Engineering
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matlab无线通信的代码认知无线电和频谱感知 认知无线电(CR)是一种可编程的无线电和网络技术(智能收发器),具有自适应性,可以自动检测无线通信信道中的网络流量,并相应地调整其传输和接收,以有效地利用可用带宽。 基于各种输入,CR能够允许用户利用未使用/空闲的通信信道,从而避免无线通信信道中的拥塞。 在本项目中,我们考虑诸如用户数量,信噪比(SNR),总错误率和功率电平阈值(用于频谱感知以近似无线通信信道中的网络流量)之类的参数。 该存储库保存了通用的MATLAB / GNU Octave兼容代码,该代码将上述参数考虑在内,并通过将参数微调为不同的值并执行计算来近似CR的性能。 代码中用于计算的两个主要数学函数是: Marcum Q函数 (上部不完整)伽玛功能 Marcum Q函数 该函数用于通过设置功率阈值来计算用于检测可用频谱的使用的检测概率P d 。 即,Q函数计算概率密度函数P(X ≥ x) 。 因此,我们为参数x配置了一个阈值,并应用Marcum-Q函数来检测大于所应用阈值的信号功率水平X以近似使用信道频谱。 数学方程式如下: (上部不完整)伽玛功能 此函数用于计算错误检测
2021-09-28 10:06:25 4KB 系统开源
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This book presents the technical characteristics of the two radio network interfaces of mobile 4G, LTE and LTE Advanced, based on Release 8, 9 and 10 of the 3GPP specifications.Points covered include a detailed description of various components of the radio interface. RRC signaling messages used to establish the connection, enabling the security, the paging, the establishment and the release of dedicated and default support and the handover. The PDCP ensures the security of the transmission and allows the recovery during handover and the compression of the headers. The RLC protocol defines the transmission modes with or without acknowledgment. The MAC protocol determines the random access, the data transfer, the timing advance, the scheduling and the discontinuous reception. The physical layer includes a description of the methods of multiplexing (time, frequency and space) and the various signals and physical channels.Download from NitroFlare ,解压密码 share.weimo.info
2021-09-27 10:15:19 8.32MB 英文
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