Interference In Large Wireless Networks
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Author | : Martin Haenggi |
Publisher | : Now Publishers Inc |
Total Pages | : 136 |
Release | : 2009 |
Genre | : Wireless communication systems |
ISBN | : 1601982984 |
Since interference is the main performance-limiting factor in most wireless networks, it is crucial to characterize the interference statistics. The main two determinants of the interference are the network geometry (spatial distribution of concurrently transmitting nodes) and the path loss law (signal attenuation with distance). For certain classes of node distributions, most notably Poisson point processes, and attenuation laws, closed-form results are available, for both the interference itself as well as the signal-to-interference ratios, which determine the network performance. This monograph presents an overview of these results and gives an introduction to the analytical techniques used in their derivation. The node distribution models range from lattices to homogeneous and clustered Poisson models to general motion-invariant ones. The analysis of the more general models requires the use of Palm theory, in particular conditional probability generating functionals, which are briefly introduced in the appendix.
Author | : Sebastian Swiatopelk Szyszkowicz |
Publisher | : |
Total Pages | : 322 |
Release | : 2011 |
Genre | : Electrical engineering |
ISBN | : |
Author | : Kaishun Wu |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 156 |
Release | : 2012 |
Genre | : Radio |
ISBN | : 9783847322641 |
Wireless technologies grow rapidly and benefit almost every aspect of our daily lives. In a typical multiple-user environment, different users may severely interfere with each other. How to reduce the coordination overhead in order to improve the efficiency of the wireless networks becomes a big challenge. Unlike the wired counterpart, a wireless link is easily affected by environment changes and surrounding wireless activities. Determining the instant link conditions (or qualities) is essential for most protocol designs and application developments in wireless communications. In this book, we introduce several techniques which leverage the physical layer information or cross layer design to enhance the wireless network performance.
Author | : Seyed Javad Kazemitabar |
Publisher | : Springer Science & Business Media |
Total Pages | : 109 |
Release | : 2010-11-22 |
Genre | : Technology & Engineering |
ISBN | : 9048199905 |
Unlike wired networks where transmitters have no effect on receivers other than their own, in wireless networks we are limited by interference. The traditional routing methods are not optimal any more when it comes to a wireless medium. The maximum data rate on each link depends not only on the power in that link but also on the transmitted power from adjacent links. That is why the problem of power optimal routing needs to be solved jointly with scheduling. This suggests a cross layer design method as opposed to traditional networking where the algorithm for each layer is designed separately. In Coping with Interference in Wireless Networks we introduce several methods engaging different layers of network to mitigate interference in a wireless network.
Author | : Martin Haenggi |
Publisher | : Cambridge University Press |
Total Pages | : 301 |
Release | : 2013 |
Genre | : Computers |
ISBN | : 1107014697 |
Analyse wireless network performance and improve design choices for future architectures and protocols with this rigorous introduction to stochastic geometry.
Author | : Yi Luo |
Publisher | : |
Total Pages | : |
Release | : 2015 |
Genre | : |
ISBN | : |
Author | : Tho Le-Ngoc |
Publisher | : Springer |
Total Pages | : 170 |
Release | : 2017-07-02 |
Genre | : Technology & Engineering |
ISBN | : 3319576909 |
This book introduces the development of self-interference (SI)-cancellation techniques for full-duplex wireless communication systems. The authors rely on estimation theory and signal processing to develop SI-cancellation algorithms by generating an estimate of the received SI and subtracting it from the received signal. The authors also cover two new SI-cancellation methods using the new concept of active signal injection (ASI) for full-duplex MIMO-OFDM systems. The ASI approach adds an appropriate cancelling signal to each transmitted signal such that the combined signals from transmit antennas attenuate the SI at the receive antennas. The authors illustrate that the SI-pre-cancelling signal does not affect the data-bearing signal. This book is for researchers and professionals working in wireless communications and engineers willing to understand the challenges of deploying full-duplex and practical solutions to implement a full-duplex system. Advanced-level students in electrical engineering and computer science studying wireless communications will also find this book useful as a secondary textbook.
Author | : Ayfer Zg R. |
Publisher | : Foundations and Trends(r) in N |
Total Pages | : 120 |
Release | : 2011-12 |
Genre | : Computers |
ISBN | : 9781601985026 |
Operating Regimes of Large Wireless Networks identifies the fundamental operating regimes and system parameters in wireless networks, clarifies the impacts of main limiting factors, such as interference, power and space, and suggests architectural guidelines for the design of optimal architectures.
Author | : Venugopal V. Veeravalli |
Publisher | : Cambridge University Press |
Total Pages | : 228 |
Release | : 2018-02-22 |
Genre | : Technology & Engineering |
ISBN | : 1316730794 |
Learn about an information-theoretic approach to managing interference in future generation wireless networks. Focusing on cooperative schemes motivated by Coordinated Multi-Point (CoMP) technology, the book develops a robust theoretical framework for interference management that uses recent advancements in backhaul design, and practical pre-coding schemes based on local cooperation, to deliver the increased speed and reliability promised by interference alignment. Gain insight into how simple, zero-forcing pre-coding schemes are optimal in locally connected interference networks, and discover how significant rate gains can be obtained by making cell association decisions and allocating backhaul resources based on centralized (cloud) processing and knowledge of network topology. Providing a link between information-theoretic analyses and interference management schemes that are easy to implement, this is an invaluable resource for researchers, graduate students and practicing engineers in wireless communications.
Author | : Maryam Owrang |
Publisher | : |
Total Pages | : 166 |
Release | : 2004 |
Genre | : |
ISBN | : |