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Performance of Wireless Ad Hoc Networks. Understanding and Improving Network Performance Through MAC Layer Design and MIMO Techniques

Автор:   Mariam K.
мягкая обложка
212 страниц
2011 год
Издательство:   Книга по Требованию
Цена:
3048 руб
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Описание:Having established an understanding of the behavior of ad hoc networks, we propose MAC layer techniques to improve the performance. Moreover, the impact of various ad hoc network characteristics (such as fading and bounded region) is investigated. This book investigates the performance of point-to-point wireless ad hoc networks. Three schemes are proposed: 1) optimization of the sensing threshold in CSMA, 2) enhanced decision making ability of CSMA, and 3) introduction of bandwidth partitioning. Finally, we step into the domain of multiple input multiple output (MIMO) communications. The performance of MIMO networks with no transmitter channel state information (CSIT) is analyzed, and different transmission schemes are proposed to achieve the best usage of transmit antennas. With the addition of CSIT, we consider various interference management schemes, and propose a distributed binary power control scheme that ensures an increase in the sum rate of MIMO networks. Approaching the design of these networks through the medium access control (MAC) layer, analytical expressions are derived for the outage probability, which is defined as the probability of receiving messages erroneously.


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C# 2008 Programmer's Reference

data to files □ The concepts of streams □ Using the BufferedStream class to improve the performance of applications reading from a stream □ Using the FileStream class to read and write to files □ Using the MemoryStream class to use the internal memory store as a buffer □ Using the NetworkStream class for network programming □ The various types of cryptographic classes available in .NET □ Performing compressions and decompression on streams □ Serializing and deserializing objects into binary and XML data Working with Files and Directories The System.IO namespace in the .NET Framework contains a wealth of classes that allow synchronous and asynchronous reading and writing of data on streams and files ...»

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