Co-Channel and Adjacent Channel Interference in Wireless Cellular Communications

Authors:
Faramarz Hendessi;Asrar U. H. Sheikh;Roshady M. Hafez
Affiliations:
Mobile Research Group, Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran;WISR Centre, Department of Electronic & Information Engineering, The Hong Kong Polytechnic University, Hong Hom, Kowloon, Hong Kong, SARC E-mail: ensheikh@inet.polyu.edu.hk;PCS Research Laboratory, Department of Systems and Computer Engineering, Carleton University, 1125 Colonel By Drive, Ottawa, ON, Canada K1S 5B6
Venue:
Wireless Personal Communications: An International Journal
Year:
2000

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Abstract

In this paper, the impact of co-channel and adjacent channel interference inmobile cellular radio systems on the cellular system capacity are studied.Simple empirical expressions for average signal to co-channel, signal toadjacent channel and signal to total interference ratios are obtained. Thesimple empirical results developed in this paper are easier to use in acellular system design. The maximum number of bits/sec that can be transmittedover a cell area for a given bit error rate and total bandwidth, is proposedas a new definition of capacity of digital cellular systems. The capacity ofa cellular system is shown to depend on the excess bandwidth and the numberof active users.