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Wireless Networks


Marketed By :  VDM Verlag Dr. Müller   Sold By :  Kamal Books International  
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  • Product Description

In this thesis we study the effect of interference and methods of coping with it in a wireless network. We approach the problem from three different perspectives. The ?rst which involves physical layer is a method to cancel out interference in a multi-access channel. We consider J transmitter units each equipped with N transmit antennas over wireless Rayleigh fading channels. Previously, it was proved that when each transmitter unit has N transmit antennas, using (J ? 1)N + r receive antennas for any r ? 1, the receiver can completely separate the signals of J users. The provided diversity to each user was shown to be N r if the units employ space-time trellis codes even if the units transmit asynchronously. Here, we consider the case when all units are synchronized and employ Quasi-Orthogonal Space-Time Block Codes (N > 2). It is proved that in this case a receiver with xvi J + r ? 1 antennas, with r ? 1, can separate the transmitted signals of all units and provide each unit with a diversity order of N r.

Product Specifications
SKU :COC39279
AuthorMohammad Usman
Number of Pages144
Publishing Year2010-07-05T00:00:00.000
Edition107 st
Book TypeComputer networking & communications
Country of ManufactureIndia
Product BrandVDM Verlag Dr. Müller
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-01-08 00:00:00