NDLI: Simplified 2-State Detectors for SOQPSK

Content Provider	IEEE Xplore Digital Library
Author	Kumaraswamy, Balachandra Perrins, Erik
Copyright Year	2007
Description	Author affiliation: Department of Electrical Engineering & Computer Science, University of Kansas, Lawrence, KS 66045. E-mail: balachk@ku.edu (Kumaraswamy, Balachandra) \|\| Department of Electrical Engineering & Computer Science, University of Kansas, Lawrence, KS 66045. E-mail: esp@ieee.org (Perrins, Erik)
Abstract	We study simple trellis-based detectors for SOQPSK that have a minimal level of complexity. In particular, we show that the state complexity can be cut in half relative to previous approaches¿from 4 states down to 2¿with asymptotically optimum performance. We give two possible means of achieving this: the pulse amplitude modulation (PAM) technique and the pulse truncation (PT) technique; both of these techniques make use of recent advances in SOQPSK technology based on a continuous phase modulation (CPM) interpretation of SOQPSK. The proposed simplifications are significant since trellis-based SOQPSK detectors are 1-2 dB superior to widely-deployed symbol-by-symbol detectors. These performance gains come at the expense of complexity, and the proposed 2-state detectors minimize this expense. Thus, these simple detection schemes are applicable in settings where high-performance and low complexity are needed to meet restrictions on power consumption and cost.
Starting Page	1
Ending Page	7
File Size	489477
Page Count	7
File Format	PDF
ISBN	9781424415120
DOI	10.1109/MILCOM.2007.4455242
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Pulse modulation Transmitters Telemetry Amplitude modulation Quadrature phase shift keying Continuous phase modulation Costs Military standards Computer science
Content Type	Text
Resource Type	Article

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