1 - 6 of 6 Chapters
[With the increasing development of IoT, a massive number of IoT devices are desired to access various wireless networks, so as to provide a variety of advanced applications in industry, agriculture, medicine, and environment. In order to satisfy differential performance requirements of the IoT...
[In this chapter, we consider a scenario where the wireless devices in the cellular IoT are fixed, such that CSI keeps unchanged during a relatively long time and the BS is capable of obtaining full CSI. In such a scenario, the benefits of spatial DoF offered by the multiple-antenna BS are...
[In this chapter, we provide a comprehensive solution for the design, analysis, and optimization of a cellular IoT operated in FDD mode. First, we design a massive access framework based on channel quantization codebook. Then, we analyze the performance of the considered system, and derive exact...
[In this chapter, we propose a comprehensive fully non-orthogonal communication framework for cellular IoT in TDD mode. Firstly, we design a fully non-orthogonal communication scheme which consists of non-orthogonal channel estimation and non-orthogonal multiple access. Then, we analyze the...
[In this chapter, we study the problem of massive access in the 5G cellular IoT, where the channels are fast-varying. To address the challenging issue of channel state information (CSI) acquisition and beam design for a massive number of IoT devices over fast time-varying fading channels, we...
[This chapter presents a summary about massive access for the cellular IoT in 5G and beyond. In particular, we discuss the theories and techniques of massive access and their applications in the cellular IoT according to the characteristics of available CSI at the BS in different scenarios....
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