Journal ArticleDOI
Noncoherently detected trellis-coded partial response CPM on mobile radio channels
Lihbor Yiin,Gordon L. Stuber +1 more
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TLDR
A noncoherent receiver is proposed for partial response trellis-coded continuous phase modulation (TC-CPM) on interleaved flat Rician-fading channels and it is concluded that in terms of joint power-bandwidth complexity, 2RC is the best candidate for rate-1/2 TCM codes.Abstract:
A noncoherent receiver is proposed for partial response trellis-coded continuous phase modulation (TC-CPM) on interleaved flat Rician-fading channels. By using a multiple-symbol observation interval and a simple metric calculator, the power efficiency is improved over a receiver that uses a single-symbol observation interval. Performance bounds on the bit error probability are derived by defining a set of characteristic distances for CPM signals, and showing that TC-CPM is equivalent to a TCM scheme. Our results show that, with the same observation length, the proposed receiver is less than 0.5 dB inferior to a coherent receiver for which perfect channel information is needed. We also conclude that in terms of joint power-bandwidth complexity, 2RC is the best candidate for rate-1/2 TCM codes.read more
Citations
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Journal ArticleDOI
Performance of trellis-coded CPM with iterative demodulation and decoding
TL;DR: A coherent receiver that performs iterative demodulation and decoding is shown to provide good bit error performance and a noncoherent iterative receiver is proposed and shown to perform close to the coherent Iterative receiver.
Proceedings ArticleDOI
Performance of trellis coded CPM with iterative demodulation and decoding
TL;DR: A coherent receiver that performs iterative demodulation and decoding is shown to provide performance close to the lower bounds developed for coherent detection on the additive white Gaussian noise and flat Rayleigh fading channels.
Patent
Uplink modulation and receiver structures for asymmetric OFDMA systems
TL;DR: In this paper, the authors present uplink communication protocols for use primarily with orthogonal frequency division multiple access (OFDMA) communication systems, including burst mode uplink communications in OFDMA systems such as those involving opportunistic beamforming.
Journal ArticleDOI
Wireless channel equalisation
TL;DR: The paper considers equalisation techniques for fading dispersive channels which include both time and frequency selectivity and brief consideration is given to the problems of blind equalisation, techniques for dealing with fast fading channels and to the problem of joint equalisation and decoding.
Journal ArticleDOI
MLSE and soft-output equalization for trellis-coded continuous phase modulation
Lihbor Yiin,Gordon L. Stuber +1 more
TL;DR: It is concluded that the backward recursion is essential to partial response CPM schemes, and with moderate complexity, the soft-output equalizer can have a substantial advantage over a noninterleaved MLSE equalizer.
References
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Book
Microwave Mobile Communications
William C. Jakes,Donald C. Cox +1 more
TL;DR: An in-depth and practical guide, Microwave Mobile Communications will provide you with a solid understanding of the microwave propagation techniques essential to the design of effective cellular systems.
Journal ArticleDOI
Channel coding with multilevel/phase signals
TL;DR: A coding technique is described which improves error performance of synchronous data links without sacrificing data rate or requiring more bandwidth by channel coding with expanded sets of multilevel/phase signals in a manner which increases free Euclidean distance.
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Communication systems and techniques
TL;DR: An introductory, graduate-level look at modern communications in general and radio communications in particular, with valuable insights into the fundamental concepts underlying today's communications systems, especially wireless communications.
Journal ArticleDOI
The design of trellis coded MPSK for fading channels: performance criteria
Dariush Divsalar,Marvin K. Simon +1 more
TL;DR: The definition of a new distance measure of optimization of trellis codes transmitted over Rician fading channels, guided by maximizing d/sub free, is proposed.
Journal ArticleDOI
Coherent and Noncoherent Detection CPFSK
W. Osborne,M. Luntz +1 more
TL;DR: This work provides a complete analysis of the performance of CPFSK at high SNR as well as low SNR and thereby unifies and extends the results previously available.