Wireless Multimedia Cognitive Radio Networks: A Comprehensive Survey

被引：140

作者：

Amjad, Muhammad ^{[1
]}

Rehmani, Mubashir Husain ^{[2
]}

Mao, Shiwen ^{[3
]}

机构：

[1] Univ Essex, Sch Comp Sci & Elect Engn, Colchester CO4 3SQ, Essex, England

[2] Waterford Inst Technol, Telecommun Software & Syst Grp, Dept Comp & Math, Waterford X91 P20H, Ireland

[3] Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA

来源：

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2018年 / 20卷 / 02期

关键词：

Cognitive radio network (CRN); multimedia communication; secondary users; primary users; quality-of-service; quality-of-experience; DYNAMIC SPECTRUM ACCESS; DRIVEN CHANNEL ALLOCATION; REGIONAL AREA NETWORK; CROSS-LAYER DESIGN; RESOURCE-ALLOCATION; SCALABLE VIDEO; POWER ALLOCATION; SECONDARY USERS; QOS-AWARE; TERRESTRIAL NETWORKS;

D O I：

10.1109/COMST.2018.2794358

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Time-critical and delay-sensitive multimedia applications require more spectrum and transmission resources. With the provision of cognitive radios (CRs), the underutilized spectrum resources can be exploited to gain more bandwidth for the bandwidth hungry applications (multimedia applications). Cognitive radio networks (CRNs) also have the flexibility to adjust their transmission parameters according to the needs of multimedia services or applications. For this reason, wireless multimedia cognitive radio networks (WMCRNs) have gained much attentions in today's research domain. In this paper, we present a comprehensive survey of WMCRNs. Various multimedia applications supported by CRNs, and various CR-based wireless networks are surveyed. We highlight the routing and link layer protocols used for WMCRNs. We cover the quality-of-experience design and security requirements for transmitting multimedia content over CRNs. We provide an in-depth study of white space, television white space, and cross-layer designs that have been used for WMCRNs. We also survey the major spectrum sensing approaches used for the communications of bandwidth hungry and time-critical data over CRNs.

引用

页码：1056 / 1103

页数：48

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