NDLI: Adaptive modulation/TDMA scheme for personal multimedia communication systems

Content Provider	IEEE Xplore Digital Library
Author	Sampei, S. Komaki, S. Morinaga, N.
Copyright Year	1994
Description	Author affiliation: Fac. of Eng., Osaka Univ., Japan (Sampei, S.; Komaki, S.; Morinaga, N.)
Abstract	The development of digital land mobile communication techniques makes it possible to use most of the modulation techniques. This paper proposes an adaptive modulation/TDMA scheme to achieve high capacity personal multimedia communication systems. TDMA is used to cope with various bit rate for multimedia services, and the modulation scheme is selected from 1/4-rate QPSK, 1/2-rate QPSK, QPSK, 16QAM and 64QAM according to the received C/I/sub c/ (power ratio of the desired signal to the co-channel interference) and the delay spread. Computer simulation confirms that the proposed system can achieve 3.5 times higher spectral efficiency than that of the conventional QPSK systems at the outage probability of 10%, and the proposed system is also effective to improve the delay spread immunity.
Starting Page	989
Ending Page	993
File Size	568966
Page Count	5
File Format	PDF
ISBN	078031820X
DOI	10.1109/GLOCOM.1994.512806
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-11-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time division multiple access Quadrature phase shift keying Mobile communication Digital modulation Multimedia communication Multimedia systems Bit rate Interchannel interference Delay Computer simulation
Content Type	Text
Resource Type	Article

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