A Novel Two-Hop-Relay WCDMA Cellular System with Queuing Buffer
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- 作者：Weifeng Lu (1) (2) (3) (4)
Jie Li (1) (3) (4)
Liwen He (1) (3) (4)
1. College of Computer ; Nanjing University of Posts and Telecommunications ; Nanjing ; 210003 ; China
2. School of Information Science and Engineering ; SouthEast University ; Nanjing ; 210096 ; China
3. Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks ; Nanjing ; 210003 ; Jiangsu ; China
4. Key Lab of Broadband Wireless Communication and Sensor Network Technology ; (Nanjing University of Posts and Telecommunications) ; Ministry of Education ; Nanjing ; 210003 ; Jiangsu Province ; China - 关键词：Cellular system ; WCDMA ; Two ; hop ; relay ; Queuing capability ; Markov chains
- 刊名：Wireless Personal Communications
- 出版年：2015
- 出版时间：April 2015
- 年：2015
- 卷：81
- 期：3
- 页码：907-922
- 全文大小：1,138 KB
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- 刊物主题：Electronic and Computer Engineering
Signal,Image and Speech Processing
Processor Architectures - 出版者：Springer Netherlands
- ISSN：1572-834X
文摘
In this paper, we present a novel two-hop-relay WCDMA cellular system with queuing capability, where a call can be queued in the incoming buffer at the congested Base Transceiver Station if no channel is immediately available, so as to reduce the call blocking probability. We develop an analytic model based on multidimensional Markov chains. Then based on this model, we can calculate the average system transmission rate, the queuing delay and the system call blocking probability respectively. Finally, through experimental simulations, we analyze the impact of the various parameters on the performance for the system.