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應(yīng)用于CDMA Ad hoc網(wǎng)絡(luò)的TRBC協(xié)議:性能分析

王春江,  劉元安,  高錦春

王春江, 劉元安, 高錦春. 應(yīng)用于CDMA Ad hoc網(wǎng)絡(luò)的TRBC協(xié)議:性能分析[J]. 電子與信息學(xué)報(bào), 2006, 28(2): 295-298.
引用本文: 王春江, 劉元安, 高錦春. 應(yīng)用于CDMA Ad hoc網(wǎng)絡(luò)的TRBC協(xié)議:性能分析[J]. 電子與信息學(xué)報(bào), 2006, 28(2): 295-298.
Wang Chun-jiang, Liu Yuan-an, Gao Jin-chun . TRBC Protocol Adopted in CDMA Ad hoc Networks: Performance Analysis[J]. Journal of Electronics & Information Technology, 2006, 28(2): 295-298.
Citation: Wang Chun-jiang, Liu Yuan-an, Gao Jin-chun . TRBC Protocol Adopted in CDMA Ad hoc Networks: Performance Analysis[J]. Journal of Electronics & Information Technology, 2006, 28(2): 295-298.

應(yīng)用于CDMA Ad hoc網(wǎng)絡(luò)的TRBC協(xié)議:性能分析

TRBC Protocol Adopted in CDMA Ad hoc Networks: Performance Analysis

  • 摘要: 該文分析了應(yīng)用于CDMA Ad hoc網(wǎng)絡(luò)的TRBC(Transmitter and Receiver Based Coding)協(xié)議，其性能同傳統(tǒng)的TBC(Transmitter Based Coding)和RBC(Receiver Based Coding)協(xié)議進(jìn)行了比較。數(shù)值結(jié)果分析表明，由于TRBC協(xié)議采用兩級(jí)編解碼，在帶寬充足或用戶數(shù)量較小的環(huán)境下，其性能高于RBC協(xié)議，低于TBC協(xié)議。但是其系統(tǒng)復(fù)雜度也高于RBC協(xié)議，低于TBC協(xié)議。因此，TRBC協(xié)議作為性能與系統(tǒng)復(fù)雜度的一種權(quán)衡，對(duì)于設(shè)計(jì)可行的CDMA Ad hoc網(wǎng)絡(luò)，具有重要意義。
    Abstract: The TRBC (Transmitter and Receiver Based Coding) protocol adopted in CDMA Ad hoc networks is analyzed in this paper, its performance is compared with the traditional TBC (Transmitter Based Coding) and RBC (Receiver Based Coding) protocols. The analysis of numerical results indicates that the performance of TRBC protocol using two levels of encoding and decoding is better than that of RBC protocol, and worse than that of TBC protocol under the environments with enough bandwidth or a small quantity of users. However, its system complexity is also more than that of RBC protocol, and less than that of TBC protocol. Therefore, as a trade-off between performance and system complexity, the TRBC protocol has great significance for the designing of a practical CDMA Ad hoc networks.
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  • Sousa E, Silvester J. Optimum transmission ranges in a direct-sequence spread-spectrum multihop packet radio network. IEEE J. on SAC, 1990, 8(6): 762.771.[2]Zorzi M, Pupolin S. Optimum transmission ranges in multihop packet radio networks in the presence of fading. IEEE Trans. on Commun., 1995, 43 (7): 22012205. .[3]Sanada Y, Nakagawa M. Power control techniques in a multihop CDMA packet radio network. IEICE Trans. on Commun., 1996, 79 (9): 12871294. .[4]Wang C J, Liu Y A. Performance analysis of routing strategy MFR in Ad hoc DS-CDMA network. IEEE ICCT 2003, Beijing, 2003, 2: 1274.1277.[5]Subbarao M W, Hughes B L. Optimum transmission ranges and code rates for frequency-hop packet radio networks[J].IEEE Trans. on Commun.2000, 48(4):670-[6]Subbarao M W, Hughes B L. Optimizing information efficiencyin a direct-sequence mobile packet radio network. IEEE Trans.on Commun., 2003, 51(1): 2224. .[7]Lin D D, Lim T J. Subspace-based active user identification for a collision-free slotted Ad hoc network[J].IEEE Trans. on Commun.2004, 52 (4):612-[8]王春江, 耿方萍, 劉元安等. 一種應(yīng)用于Ad hoc無(wú)線局域網(wǎng)的隨機(jī)接入?yún)f(xié)議. 電子學(xué)報(bào), 2005, 33(1): 2631. .[9]Morrow R K Jr., Lehnert J S. Bit-to-bit error dependence in slotted DS/SSMA packet systems with random signature sequences. IEEE Trans. on Commun., 1989, 37 (10): 1052.1061.
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  • 收稿日期:  2004-07-02
  • 修回日期:  2005-04-08
  • 刊出日期:  2006-02-19

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