BER sensitivity to mistiming in ultra-wideband impulse radios - Part I: Nonrandom channels

Zhi Tian; Georgios B. Giannakis

doi:10.1109/TSP.2005.843747

BER sensitivity to mistiming in ultra-wideband impulse radios - Part I: Nonrandom channels

Zhi Tian, Georgios B. Giannakis

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

We investigate timing tolerances of ultra wideband (UWB) impulse radios. We quantify the bit-error-rate (BER) sensitivity to epoch timing offset under different operating conditions, including frequency flat fading channels, dense multipath fading channels, multiple access with time hopping, and various receiver types including sliding correlators and RAKE combiners. Our systematic approach to BER derivations under mistiming can be extended to a wide range of channel fading types. Through analyses and simulations, we illustrate that the reception quality of a UWB impulse radio is highly sensitive to both timing acquisition and tracking errors. In particular, time-hopping-based multiple-access systems exhibit little tolerance to acquisition errors, and the energy capture capability of a RAKE combiner can be severely compromised by mistiming.

Original language	English (US)
Pages (from-to)	1550-1560
Number of pages	11
Journal	IEEE Transactions on Signal Processing
Volume	53
Issue number	4
DOIs	https://doi.org/10.1109/TSP.2005.843747
State	Published - Apr 2005

Bibliographical note

Funding Information:
Manuscript received April 23, 2003; revised February 27, 2004. Z. Tian was supported by the National Science Foundation under Grant CCR-0238174. G. B. Ginnakis was supported by the Army Research Laboratory/CTA under Grant DAAD19-01-2-011 and the National Science Foundation under Grant EIA-0324804. Parts of the work in this paper were presented at the IEEE SPAWC Conference, Rome, Italy, June 2003 and the IEEE GLOBECOM Conference, San Francisco, CA, Dec. 2003. The associate editor coordinating the review of this manuscript and approving it for publication was Dr. Martin Haardt.

Keywords

Mistiming
Performance analysis
RAKE receiver
Synchronization
Ultra wideband communications

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abstract = "We investigate timing tolerances of ultra wideband (UWB) impulse radios. We quantify the bit-error-rate (BER) sensitivity to epoch timing offset under different operating conditions, including frequency flat fading channels, dense multipath fading channels, multiple access with time hopping, and various receiver types including sliding correlators and RAKE combiners. Our systematic approach to BER derivations under mistiming can be extended to a wide range of channel fading types. Through analyses and simulations, we illustrate that the reception quality of a UWB impulse radio is highly sensitive to both timing acquisition and tracking errors. In particular, time-hopping-based multiple-access systems exhibit little tolerance to acquisition errors, and the energy capture capability of a RAKE combiner can be severely compromised by mistiming.",

keywords = "Mistiming, Performance analysis, RAKE receiver, Synchronization, Ultra wideband communications",

author = "Zhi Tian and Giannakis, {Georgios B.}",

note = "Funding Information: Manuscript received April 23, 2003; revised February 27, 2004. Z. Tian was supported by the National Science Foundation under Grant CCR-0238174. G. B. Ginnakis was supported by the Army Research Laboratory/CTA under Grant DAAD19-01-2-011 and the National Science Foundation under Grant EIA-0324804. Parts of the work in this paper were presented at the IEEE SPAWC Conference, Rome, Italy, June 2003 and the IEEE GLOBECOM Conference, San Francisco, CA, Dec. 2003. The associate editor coordinating the review of this manuscript and approving it for publication was Dr. Martin Haardt.",

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N2 - We investigate timing tolerances of ultra wideband (UWB) impulse radios. We quantify the bit-error-rate (BER) sensitivity to epoch timing offset under different operating conditions, including frequency flat fading channels, dense multipath fading channels, multiple access with time hopping, and various receiver types including sliding correlators and RAKE combiners. Our systematic approach to BER derivations under mistiming can be extended to a wide range of channel fading types. Through analyses and simulations, we illustrate that the reception quality of a UWB impulse radio is highly sensitive to both timing acquisition and tracking errors. In particular, time-hopping-based multiple-access systems exhibit little tolerance to acquisition errors, and the energy capture capability of a RAKE combiner can be severely compromised by mistiming.

AB - We investigate timing tolerances of ultra wideband (UWB) impulse radios. We quantify the bit-error-rate (BER) sensitivity to epoch timing offset under different operating conditions, including frequency flat fading channels, dense multipath fading channels, multiple access with time hopping, and various receiver types including sliding correlators and RAKE combiners. Our systematic approach to BER derivations under mistiming can be extended to a wide range of channel fading types. Through analyses and simulations, we illustrate that the reception quality of a UWB impulse radio is highly sensitive to both timing acquisition and tracking errors. In particular, time-hopping-based multiple-access systems exhibit little tolerance to acquisition errors, and the energy capture capability of a RAKE combiner can be severely compromised by mistiming.

KW - Mistiming

KW - Performance analysis

KW - RAKE receiver

KW - Synchronization

KW - Ultra wideband communications

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BER sensitivity to mistiming in ultra-wideband impulse radios - Part I: Nonrandom channels

Abstract

Bibliographical note

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