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Broadband access using subcarrier multiplexing and asymmetric digital subscriber lines
Author(s) -
Ho KeangPo,
Ng Yiu Fai,
Chan Wing Bun
Publication year - 2000
Publication title -
international journal of communication systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.344
H-Index - 49
eISSN - 1099-1131
pISSN - 1074-5351
DOI - 10.1002/(sici)1099-1131(200003)13:2<145::aid-dac408>3.0.co;2-n
Subject(s) - asymmetric digital subscriber line , subcarrier multiplexing , digital subscriber line , multiplexing , computer science , broadband , subcarrier , computer network , transceiver , node (physics) , telecommunications , access network , electronic engineering , orthogonal frequency division multiplexing , engineering , channel (broadcasting) , structural engineering , wireless
A broadband access system using subcarrier multiplexing on optical fibre and asymmetric digital subscriber lines (ADSL) or very high‐speed digital subscriber lines (VDSL) on unshielded twisted‐pair is proposed to provide broadband access. In this hybrid‐fibre/twisted‐pair (HFTP) system, the digital multiplexing/demultiplexing process is moved back to the central office by using subcarrier multiplexing for fibre transmission. Instead of installing in remote node, ADSL/VDSL transceivers are installed at the central office to greatly reduce the remote node complexity. The local node simply down‐converts the subcarrier multiplexed ADSL/VDSL signal to the baseband, suitable to send directly into the twisted‐pair. The reduction of complexity could result in a lower initial installation cost, especially for a low service penetration rate. Copyright © 2000 John Wiley & Sons, Ltd.