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Performance Evaluation of the Advanced Physical Layer Modulation Techniques for Cable Modem Upstream Channel  

Cho, Byung-Hak (한국정보통신기능대학)
Choi, Hyung-Jin (성균관대학교)
Abstract
S-CDMA is the advanced physical layer modulation techniques of DOCSIS 2.0 specification. S-DMT is another challenging modulation technique for cable modem upstream channel due to the intrinsic robustness for fading and impulse noise. The BER performance of S-DMT and S-CDMA over the mixed channel model of AWGN and impulse noise were evaluated in comparison with TDMA. The mathematical BER derivation and the comparison of those three types of technique were performed based on the ${\varepsilon}-mixture$ non-Gaussian impulse noise model. The results of simulation show good compliance with those of analytic BER derivation. By the results of comparisons, it was verified that the performance of S-CDMA and S-DMT is almost the same, but the performance of S-DMT is far superior to that of TDMA at typical BER range of the practical data communications.
Keywords
S-DMT; S-CDMA; Advanced PHY; Cable Modem; DMT;
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1 Data-Over-Cable Service Interface Specifications, 'Radio Frequency Interface Specification,' SP-RFIv2-IO1-0112231, pp. 25-26, Dec. 2001.
2 http://www.cablelabs.com/news_room/PR/02_pr_docsis_2dot0_011602.html
3 J. W. Modestino et al., 'Modeling, Analysis, and Simulation of Receiver Performance in Impulse Noise,' Proc. GLOBECOM'83, pp.1598-1605, Dec. 1983
4 B. Aazhang and H. V. Poor, 'Performance of DS/SSMA Communications in Impulsive Channels - Part I: Linear Correlation Receivers,' IEEE Trans. Commun., vol. COM-35. no. 11, pp. 1179-1183, Nov. 1987
5 Terayon DOCSIS 2.0 White Paper, 'Enabling MSOs To Offer Broader Upstream Bandwidths and Powerful New Networking Services,' 2002
6 J. H. Miller and J. B. Thomas, 'The Detection of Signals in Impulse Noise Modeled as a Mixture Process,' IEEE Trans. Commun., vol. COM-24, pp. 559-563, May 1976
7 김기윤, 이형근, 김판수, 조병학, 최형진, '상향채널 케이블모뎀을 위한 S-CDMA 기술 분석' 한국통신학회논문지, 제25권, 제9A호, pp. 1422-1430, Sept. 2000
8 JAC. Bingham and K. Jacobsen, 'CATV Reverse Channel Transmission Using Synchronized DMT, Part 1. Overview: Network, Data Rates and Services, Protocol,' IEEE 802.14 Working Group Contribution number 95-001, Boston, MA, Jan. 1995
9 J. M. Cioffi, 'Discrete Multi-Tone Data Transmission System Using an Overhead Bus for Synchronizing Multiple Remote Unit,' US Patent 5,625,651, Apr. 1997
10 Krista S. Jacobsen, 'Synchronized Discrete Multi-Tone(SDMT) Modulation for Cable Modems: Making the Most the Scarce Reverse Channel Bandwidth,' IEEE Conference Proceedings, Wescon 97, pp. 374-380, Apr. 1997
11 D. Wulich and L. Goldfeld, 'Reduction of Peak Factor in Orthogonal Multicarrier Modulation by Amplitude Limiting and Coding,' IEEE Trans. Commun., vol .47, no. 1, pp. 18-21, Jan. 1999
12 S. Kapoor, V. P. Telang, J. D. Mills, and M. G. Makhija, 'Mitigating Impulse Noise over HFC Network for Telephony-over Cable,' Proc. GLOBECOM'95, vol. 2, pp. 967-971, 1995   DOI
13 http://www.cablelabs.com/news_room/PR/01_pr_adv_phy_083101.html
14 Kiyun KIM, Hyounggeun LEE, Pansoo KIM, Byunghak CHO, Hyungjin CHOI, Upstream Channel', IEICE Trans. Fundamentals, vol. E84-A, no.6, pp. 1370-1377, Jun. 2001
15 Yvo L. C. de Jong, Robert P. C. Wolters, Henrie P. A. van den Boom. 'A CDMA Based Bidirectional Communication System for Hybrid Fiber-Coax CATV Networks,' IEEE Trans. Broadcasting, vol. 43, no. 2 , pp. 127-135, Jun. 1997   DOI   ScienceOn
16 K. H. Li, A. Huang, M. A. Ingram, and D. Howard, 'Impulse Noise Identification for the HFC Upstream Channel,' IEEE Trans. Broadcasting, vol. 44, no. 3, pp. 324-329, Sept. 1998   DOI   ScienceOn
17 Richard van Nee, 'OFDM Codes for Peak to Average Power Reduction and Error Correction,' Proc. of GLOBECOM'96, pp. 740-744, 1996
18 Albert A. Azzam, High-Speed Cable Modems; including IEEE802.14 standards, McGraw-Hill, 1997
19 R. P. C. Wolters, 'Characteristics of Upstream Channel Noise in CATV-Networks,' IEEE Trans. Broadcasting, vol. 42, no.4 pp. 327-332, Dec. 1996