---
_id: '6746'
abstract:
- lang: eng
  text: This paper proposes a novel cooperative approach for two-hop amplify-and-forward
    (A&F) relaying that exploits both the signal forwarded by the relay and the one
    directly transmitted by the source in impulse-radio ultra-wideband (IR-UWB) systems.
    Specifically, we focus on a non-coherent setup employing a double-differential
    encoding scheme at the source node and a single differential demodulation at the
    relay and destination. The log-likelihood ratio based decision rule is derived
    at the destination node. A semi-analytical power allocation strategy is presented
    by evaluating a closed-form expression for the effective signal to noise ratio
    (SNR) at the destination, which is maximized by exhaustive search. Numerical simulations
    show that the proposed system outperforms both the direct transmission with single
    differential encoding and the non-cooperative multi-hop approach in different
    scenarios.
author:
- first_name: Marco
  full_name: Mondelli, Marco
  id: 27EB676C-8706-11E9-9510-7717E6697425
  last_name: Mondelli
  orcid: 0000-0002-3242-7020
- first_name: Qi
  full_name: Zhou, Qi
  last_name: Zhou
- first_name: Xiaoli
  full_name: Ma, Xiaoli
  last_name: Ma
- first_name: Vincenzo
  full_name: Lottici, Vincenzo
  last_name: Lottici
citation:
  ama: 'Mondelli M, Zhou Q, Ma X, Lottici V. A cooperative approach for amplify-and-forward
    differential transmitted reference IR-UWB relay systems. In: <i>2012 IEEE International
    Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>. IEEE; 2012:2905-2908.
    doi:<a href="https://doi.org/10.1109/icassp.2012.6288524">10.1109/icassp.2012.6288524</a>'
  apa: 'Mondelli, M., Zhou, Q., Ma, X., &#38; Lottici, V. (2012). A cooperative approach
    for amplify-and-forward differential transmitted reference IR-UWB relay systems.
    In <i>2012 IEEE International Conference on Acoustics, Speech and Signal Processing
    (ICASSP)</i> (pp. 2905–2908). Kyoto, Japan: IEEE. <a href="https://doi.org/10.1109/icassp.2012.6288524">https://doi.org/10.1109/icassp.2012.6288524</a>'
  chicago: Mondelli, Marco, Qi Zhou, Xiaoli Ma, and Vincenzo Lottici. “A Cooperative
    Approach for Amplify-and-Forward Differential Transmitted Reference IR-UWB Relay
    Systems.” In <i>2012 IEEE International Conference on Acoustics, Speech and Signal
    Processing (ICASSP)</i>, 2905–8. IEEE, 2012. <a href="https://doi.org/10.1109/icassp.2012.6288524">https://doi.org/10.1109/icassp.2012.6288524</a>.
  ieee: M. Mondelli, Q. Zhou, X. Ma, and V. Lottici, “A cooperative approach for amplify-and-forward
    differential transmitted reference IR-UWB relay systems,” in <i>2012 IEEE International
    Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>, Kyoto, Japan,
    2012, pp. 2905–2908.
  ista: 'Mondelli M, Zhou Q, Ma X, Lottici V. 2012. A cooperative approach for amplify-and-forward
    differential transmitted reference IR-UWB relay systems. 2012 IEEE International
    Conference on Acoustics, Speech and Signal Processing (ICASSP). ICASSP: International
    Conference on Acoustics, Speech and Signal Processing, 2905–2908.'
  mla: Mondelli, Marco, et al. “A Cooperative Approach for Amplify-and-Forward Differential
    Transmitted Reference IR-UWB Relay Systems.” <i>2012 IEEE International Conference
    on Acoustics, Speech and Signal Processing (ICASSP)</i>, IEEE, 2012, pp. 2905–08,
    doi:<a href="https://doi.org/10.1109/icassp.2012.6288524">10.1109/icassp.2012.6288524</a>.
  short: M. Mondelli, Q. Zhou, X. Ma, V. Lottici, in:, 2012 IEEE International Conference
    on Acoustics, Speech and Signal Processing (ICASSP), IEEE, 2012, pp. 2905–2908.
conference:
  end_date: 2012-03-30
  location: Kyoto, Japan
  name: 'ICASSP: International Conference on Acoustics, Speech and Signal Processing'
  start_date: 2012-03-25
date_created: 2019-07-31T09:14:48Z
date_published: 2012-07-31T00:00:00Z
date_updated: 2021-01-12T08:08:49Z
day: '31'
doi: 10.1109/icassp.2012.6288524
extern: '1'
language:
- iso: eng
month: '07'
oa_version: None
page: 2905-2908
publication: 2012 IEEE International Conference on Acoustics, Speech and Signal Processing
  (ICASSP)
publication_identifier:
  issn:
  - 1520-6149
publication_status: published
publisher: IEEE
quality_controlled: '1'
status: public
title: A cooperative approach for amplify-and-forward differential transmitted reference
  IR-UWB relay systems
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2012'
...