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Novel signaling and detection schemes for ultra-wideband transmitted-reference systems

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Abstract

Ultra-Wideband (UWB) impulse radio systems apply sub-nanosecond pulses and are able to resolve multipath due to their fine time-resolution capability. To take full advantage of the available signal energy, a Rake receiver with high hardware complexity is required. To remedy this difficulty, an improved scheme called the transmitted reference (TR) systems is proposed. TR systems do not require the complex task of channel estimation and render a simple receiver structure. However, the low-complexity detection in the conventional TR scheme is achieved at the cost of 50% energy/bandwidth disadvantage. This disadvantage has become the popular research focus of UWB TR systems. In this paper a performance-enhanced signal and detection scheme, namely the dual averaging N-bit differential transmitted reference/balanced transmitted reference (A2NDTR/BTR) system, is proposed to increase the data rate while still maintain the overall system performance. Numerical results suggest that this proposed scheme is able to achieve superior data rate while maintain the same or better bit error performance as compared with others.

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Authors and Affiliations

  1. Institute of Computer and Communication Engineering, National Cheng Kung University, Tainan, Taiwan

    Lih-Chang Wung, Szu-Lin Su & Chyi-Fan Jhun

  2. Industrial Technology Research Institute (ITRI), Hinchu, Taiwan

    Chyi-Fan Jhun

Authors
  1. Lih-Chang Wung
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  2. Szu-Lin Su
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  3. Chyi-Fan Jhun
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Correspondence to Lih-Chang Wung.

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Wung, LC., Su, SL. & Jhun, CF. Novel signaling and detection schemes for ultra-wideband transmitted-reference systems. Telecommun Syst 52, 1179–1190 (2013). https://doi.org/10.1007/s11235-011-9633-y

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  • DOI: https://doi.org/10.1007/s11235-011-9633-y

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