Performance of Wireless DS-CDMA System with Fading
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Military Institute of Science and Technology
Abstract
This paper develops and models a DS-CDMA wireless network by simulation. It present an over
view of CDMA transmission systems as compared to other multiple access schemes. The
channel parameters and channel conditions are varied and the performance studied. The
investigation of spreading, modulation and coding is carried out. BPSK modulation techniques
are used to see the performance of the system when each is used. The BER is used as a tool to
monitor the system output as SNR is varied. The AWGN channel is used in the simulation. The
simulation starts with a single user and later the number of users is increased and the results
evaluated. The final results are compared to the theoretically calculated results and finally
concluded.
Description
We are highly grateful and indebted to our supervisor, Dr. Satya Prasad Majumder, Professor,
Department of Electrical and Electronics Engineering, Bangladesh University of Engineering &
Technology (BUET), for his continuous guidance, supervision, inspiration, encouragement and
untiring support throughout this work.
Additionally, we like to express our sincere thanks to all other Teachers and Staffs of the
Department of Electrical, Electronics and Communication Engineering, Military Institute of
Science and Technology (MIST) for their co-operation and help in the successful completion of
this work.
Our thanks would also go to our beloved family for their prayer, encouragement and support to
achieve our goals.