A 2x2 Shape-Preserving ST Code for UWB Communications with Multipulse PPM

Author

Abou-Rjeily, Chadi

Author_Institution

Dept. of Electr. & Comput. Engi neering, Lebanese American Univ. (LAU), Byblos, Lebanon

Volume

10

Issue

8

fYear

2011

fDate

8/1/2011 12:00:00 AM

Firstpage

2402

Lastpage

2406

Abstract

In this paper, we consider the application of Multipulse Pulse Position Modulation (MPPM) as a power-efficient modulation scheme for Impulse-Radio Ultra-Wideband (IR-UWB) communications and we propose the first known MPPM-specific 2×2 space-time code that is convenient for this modulation. The proposed rate-1 code achieves a full transmit diversity order with all MPPM constellations without introducing any constellation expansion. We also show that the proposed code profits from a low decoding complexity in the absence of interference between the different modulated UWB pulses.

Keywords

pulse position modulation; ultra wideband communication; UWB communication; constellation expansion; impulse-radio ultra-wideband communication; modulated UWB pulse; multipulse PPM; multipulse pulse position modulation; power-efficient modulation scheme; shape-preserving ST code; Complexity theory; Decoding; Encoding; Measurement; Modulation; Transmitting antennas; Wireless communication; Multipulse Pulse Position Modulation (MPPM); Space-Time (ST) codes; Ultra-Wideband (UWB);

fLanguage

English

Journal_Title

Wireless Communications, IEEE Transactions on

Publisher

ieee

ISSN

1536-1276

Type

jour

DOI

10.1109/TWC.2011.060711.101038

Filename

5898371