Interference avoidance in wireless systems

  • Ashish A. Kulkarni
  • D. V. Thombre
Conference paper


Wireless system designers have always had contend with interference from both natural sources and other users of the medium. Thus, the classical wireless communications design cycle has consisted of measuring or predicting channel impairments, choosing a modulation method, signal pre-conditioning at the transmitter and processing at the receiver to reliably reconstruct the transmitted information. These methods have evolved from simple (like FM and pre-emphasis) to relatively complex (like CDMA and adaptive equalization). However, all share a common attribute – once the modulation method is chosen, it is difficult to change. For example, an ASK system cannot be simply modified to obtain a PSK system owing to the complexities of the transmission and reception hardware.


Access Point Wireless System Code Word CDMA System Autocorrelation Matrix 
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Copyright information

© Springer India Pvt. Ltd 2011

Authors and Affiliations

  • Ashish A. Kulkarni
    • 1
  • D. V. Thombre
    • 1
  1. 1.Terna Engineering CollegeNavi MumbaiIndia

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