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Practically realizable digital transmission significantly below the Nyquist bandwidth

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2 Author(s)
Cheng-Kun Wang ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taiwan ; Lin-shan Lee

A practically realizable digital signaling scheme is proposed that requires a bandwidth significantly less than the Nyquist limit and at the same time achieves the same asymptotic performance as memoryless pulse-amplitude modulation (PAM). A three-step iterative procedure for constructing such schemes is presented, and examples that occupy down to about 60% of the Nyquist bandwidth are demonstrated using this simple procedure. A practical receiver structure using an adaptive breath-first trellis search algorithm is also discussed

Published in:

Global Telecommunications Conference, 1991. GLOBECOM '91. 'Countdown to the New Millennium. Featuring a Mini-Theme on: Personal Communications Services

Date of Conference:

2-5 Dec 1991