DOIONLINE 
DOIONLINE Publish In |
International Journal of Industrial Electronics and Electrical Engineering (IJIEEE)-IJIEEE |
 Journal Home Volume Issue |
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Issue |
Volume-3, Issue-4 ( Apr, 2015 ) | |||||||||
Paper Title |
Wideband Code Division Multiple Access | |||||||||
Author Name |
Brajbala Modi, Pallavi Pahadiya | |||||||||
Affilition |
2 (ME Student), (Asst. Prof.) Department of Electronics and communication Engineering, Truba College of Engineering & Technology, Indore | |||||||||
Pages |
52-62 | |||||||||
Abstract |
-To satisfy ever-increasing demands for higher data rates, as well as to allow more users to simultaneously access the network, interest has peaked in what has come to be known as wideband code division multiple access (WCDMA). In this paper, we discuss those basic characteristics of WCDMA waveforms that make them attractive for high data rate transmission over wireless and mobile channels. We emphasize how the choice of spread band-width affects the bit error rate of the system, as well as how it affects the reliability of various subsystems, such as those that perform coarse acquisition and adaptive power control. We then discuss how some of the waveforms being considered for cellular WCDMA systems differ from those in use in the narrowband CDMA cel-lular system, and emphasize, as an example, multicarrier CDMA. Finally, we discuss other potential enhancements to WCDMA sys-tems, such as the use of interference suppression at the receiver, or multiple antennas at the transmitter. Keywords— Code division multiple access (CDMA), Spread spectrum communicating. | |||||||||
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