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小 发表于 07-4-23 23:32 只看该作者
(2005 Springer)Wireless Networks:Multiuser Detection in Cross-Layer Design
Wireless Networks:Multiuser Detection in Cross-Layer Design | | 收藏 | | | 作者 | Cristina Comaniciu, Narayan B. Mandayam, H. Vincent Poor | | ＩＳＢＮ | 0-387-23697-X | | 出版日期/版本 | 2005 | | 格式 | ＰＤＦ Adobe Acrobat |
主题内容 | | Wireless networking is undergoing a transformation from what has
been primarily a medium for supporting voice traffic between telephones,
into what is increasingly becoming a medium for supporting traffic among
a variety of digital devices transmitting media of many types (voice,
data, images, video. etc.) Wireline networking underwent a similar
transformation in the 1990s, which led to an enormous build-up in the
capacity of such networks, primarily through the addition of new optical
fiber, switches and other infrastructure. Creating a similar build-up in
the capacity of wireless networks presents many challenges, including
notably the scarcity of two of the principal resources for providing high
capacity in wireless networks, namely power and bandwidth. Moreover,
the physical nature of wireless communication channels themselves, involving
such features as mobility, interference, and fading, adds to the
challenge of providing high-quality multimedia communications to large
groups of users.
A principal way of enabling the advanced services required of wireless
networks is to add intelligence throughout the network in order to
exploit increases in processing power afforded by Moore's Law type improvements
in microelectronics. One way of doing this is through the
introduction of advanced signal processing at the node level of the network,
in order to mitigate the impairments of the wireless channel and to
exploit the diversity opportunities provided by such channels. Multiuser
detection, which addresses issues of optimal signal reception in multipleaccess
channels, is a major technique in this context. A very extensive
research effort has been devoted to the development of multiuser
detection algorithms over the past two decades. This research has shown
that substantial performance gains can be realized in interference-limited
channels through the introduction of advanced signal processing.
Recent research activity in wireless networking has begun to focus on
the higher layers of the network, and on the special problems presented
at such layers by the particular properties of the wireless physical layer.
One of the key issues of this research is cross-layer design, which seeks to
enhance the capacity of wireless networks significantly through the joint
optimization of multiple layers in the network, primarily the physical
(PHY) and medium access control (MAC) layers. Although there are
advantages of such design in wireline networks as well. this approach is
particularly advantageous for wireless networks due to properties such
as mobility and interference that strongly affect performance and design
of higher layer protocols. This monograph is concerned with this issue
of cross-layer design in wireless networks, and more particularly with
the impact of node-level multiuser detection on such design. This is
currently a very active research area, and the intention of this work is to
provide an introduction to this area. and to present some of the principal
methods developed and results obtained to date.
This work is intended for engineers, researchers and students with
some prior exposure to the field of communication networks. Although
the book is largely self-contained and presents necessary background
on wireless networking and multiuser detection, it is not intended to
provide a complete treatment of these subjects. However, an extensive
bibliography is included to direct the reader to additional details on
these subjects as desired.
[ 本帖最后由 hanswoo 于 07-4-23 23:33 编辑 ] |
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