A improved reservation random-access protocol for voice/data integrated spread-spectrum multiple-access system

2002 ◽  
Author(s):  
Zheng Lu ◽  
Li Xiao-Ping ◽  
Wu Shi-Qi
Keyword(s):  
Spread Spectrum ◽  
Multiple Access ◽  
Random Access ◽  
Access Protocol ◽  
Access System ◽  
Random Access Protocol ◽  
Voice Data ◽  
Multiple Access System

The CDMA Spread-Spectrum Cell Mobile Communication Uplink System with Cooperative Diversity

2014 ◽  
Vol 989-994 ◽  
pp. 3540-3543
Author(s):  
Han Cheng Liao
Keyword(s):  
Spread Spectrum ◽  
Code Division Multiple Access ◽  
Multiple Access ◽  
Cooperative Diversity ◽  
Mobile Terminal ◽  
Spatial Diversity ◽  
Access System ◽  
Cooperative Scheme ◽  
Code Division Multiple ◽  
Multiple Access System

In this paper, physical layer cooperative communication of code division multiple access system is explored. Many mobile terminals relay signals for each other so as to achieve spatial diversity. The cooperative scheme of the mobile terminal is well designed. The uplink system model, as well as the receiving structure is given. The performance advantage of such system is clearly indicated through simulation.

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