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This brief examines recent developments in the Heterogeneous
Vehicular NETworks (HETVNETs), integrating cellular networks with
Dedicated Short-Range Communication (DSRC) for meeting the
communications requirements of the Intelligent Transport System
(ITS)services. Along with a review of recent literature, a unified
framework of the HetVNET is presented. The brief focuses on
introducing efficient MAC mechanisms for vehicular communications,
including channel access protocols, broadcast/multicast protocols,
the location-based channel congestion control scheme and the
content-based resource allocation scheme. The cooperative
communication between vehicles is discussed. This brief concludes
with a discussion on future research directions, and provides the
readers with useful insights into the future designs in the
HetVNETs, to motivate new ideas for performance improvements in
vehicular networks.
This book provides a comprehensive overview of the emerging
technologies for next-generation 5G mobile communications, with
insights into the long-term future of 5G. Written by international
leading experts on the subject, this contributed volume covers a
wide range of technologies, research results, and networking
methods. Key enabling technologies for 5G systems include, but are
not limited to, millimeter-wave communications, massive MIMO
technology and non-orthogonal multiple access. 5G will herald an
even greater rise in the prominence of mobile access based upon
both human-centric and machine-centric networks. Compared with
existing 4G communications systems, unprecedented numbers of smart
and heterogeneous wireless devices will be accessing future 5G
mobile systems. As a result, a new paradigm shift is required to
deal with challenges on explosively growing requirements in mobile
data traffic volume (1000x), number of connected devices (10-100x),
typical end-user data rate (10-100x), and device/network lifetime
(10x). Achieving these ambitious goals calls for revolutionary
candidate technologies in future 5G mobile systems. Designed for
researchers and professionals involved with networks and
communication systems, 5G Mobile Communications is a
straightforward, easy-to-read analysis of the possibilities of 5G
systems.
This SpringerBrief focuses mainly on the basic theory and
applications of massive MIMO in 5G networks. The significance of
massive MIMO for 5G or future communications is first briefly
discussed. Then, the basic theory of massive MIMO technology is
comprehensively analyzed, i.e., a variety of 5G scenarios and their
improvements are described when massive MIMO is taken into account.
Art physical-layer techniques and various networking techniques for
interference mitigation and resource scheduling are introduced as
well. This SpringerBrief also examines the selected applications of
massive MIMO in 5G networks, i.e., massive MIMO-aided millimeter
communications and energy transfer. The physical-layer design,
multiple access control (MAC) mechanism and networking techniques
are discussed for millimeter-wave communications aided by massive
MIMO technology. Then, massive MIMO is covered for hybrid
information and energy transfer. A downlink precoder and a uplink
pilot scheme is proposed for single cell networks, and both
non-cooperative and cooperative energy transfer in multi-cell are
presented. Communication researchers in the area of MIMO
technology, as well as researchers and practitioners working in
millimeter communications and energy transfer seeking new research
topics, and topic areas with communication system design,
centralized and distributed algorithms, will find this brief useful
as a reference. Advanced-level students studying communication
engineering will also find this book useful as a secondary text.
This book provides a comprehensive overview of the emerging
technologies for next-generation 5G mobile communications, with
insights into the long-term future of 5G. Written by international
leading experts on the subject, this contributed volume covers a
wide range of technologies, research results, and networking
methods. Key enabling technologies for 5G systems include, but are
not limited to, millimeter-wave communications, massive MIMO
technology and non-orthogonal multiple access. 5G will herald an
even greater rise in the prominence of mobile access based upon
both human-centric and machine-centric networks. Compared with
existing 4G communications systems, unprecedented numbers of smart
and heterogeneous wireless devices will be accessing future 5G
mobile systems. As a result, a new paradigm shift is required to
deal with challenges on explosively growing requirements in mobile
data traffic volume (1000x), number of connected devices (10-100x),
typical end-user data rate (10-100x), and device/network lifetime
(10x). Achieving these ambitious goals calls for revolutionary
candidate technologies in future 5G mobile systems. Designed for
researchers and professionals involved with networks and
communication systems, 5G Mobile Communications is a
straightforward, easy-to-read analysis of the possibilities of 5G
systems.
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Mobile and Ubiquitous Systems: Computing, Networking, and Services - 9th International Conference, MOBIQUITOUS 2012, Beijing, China, December 12-14, 2012. Revised Selected Papers (Paperback, 2013 ed.)
Kan Zheng, Mo Li, Hungbo Jiang
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R2,303
Discovery Miles 23 030
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Ships in 10 - 15 working days
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This book constitutes the thoroughly refereed post-conference
proceedings of the 9th International ICST Conference on Mobile and
Ubiquitous Systems: Computing, Networking, and Services,
MobiQuitous 2012, held in Beijing, China, Denmark, in December
2012. The revised full papers presented were carefully reviewed and
selected from numerous submissions. They cover a wide range of
topics such as localization and tracking, search and discovery,
classification and profiling, context awareness and architecture,
location and activity recognition. The proceedings also include
papers from the best paper session and the industry track, as well
as poster and demo papers.
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