Study on High Speed Cable Telemetry System Based on ADSL

Author:

Li Jian1

Affiliation:

1. China Oilfield Services Limited

Abstract

Cable telemetry transmit is a main way of data transmission in well logging systems .In this paper,due to a variety of shortcoming of logging cable, such as low transmit speed and narrow bandwidth, a DMT technology with the application of ADSL Wide Band is presented . This technology is analyzed theoretically in detail,and it has been proved that this method is feasible in increase the bandwidth using efficiency of the cable by compute emulation.

Publisher

Trans Tech Publications, Ltd.

Reference9 articles.

1. Song Shikun, Technology for Dynamic Bandwidth Allocation in ADSL Broadband Access, Modern Science & Technology of Telecommunications, 2011, vol(4). In Chinese.

2. Lu Zhanglin, Shen Daohe and Zhang Bin. Design and analysis to well-logging information optical-cable telemetry system, PETROLEUM INSTRUMENTS, 1999, 13(5): 15~17, In Chinese.

3. WANG Lei et al, Analysis of affecting factors on SRL of symmetrical digital communication cable, Electric Wire & Cable, 2003, 2(4)P20~P21. In Chinese.

4. John G. Proakis. Digital Communications[M], Electronic industry press, (1998).

5. Antonio Ruiz, John M. Cioffi. Discrete multiple tone modulation with coset coding for the spectrally shaped channel. IEEE TRAN ACTIONS ON COMMUNICATIONS [J], 1992, 40(6): 1012-10291.

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