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UWB—State of the Art

  1. Time-hopping ultra-wideband technology presents some very attractive features for future indoor wireless systems in terms of achievable transmission rate and multiple access capabilities. This paper develops a...

    Authors: Galo Nuño-Barrau and José M. Páez-Borrallo
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:937320
  2. The development of ultra-wideband (UWB) communications is impeded by the drastic transmitted power limitations imposed by regulation authorities due to the "polluting" character of these radio emissions with r...

    Authors: Alain Sibille
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:919625
  3. Spectrum is presently one of the most valuable goods worldwide as the demand is permanently increasing and it can be traded only locally. Since the United States Federal Communications Commission (FCC) has ope...

    Authors: Werner Sörgel and Werner Wiesbeck
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:843268
  4. The application of ultra-wideband (UWB) technology to low-cost short-range communications presents unique challenges to the communications engineer. The impact of the US FCC's regulations and the characteristi...

    Authors: Robert A. Scholtz, Davida M. Pozar and Won Namgoong
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:758540
  5. We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range communications. Key features a...

    Authors: Andreas F. Molisch, Ye Geoffrey Li, Yves-Paul Nakache, Philip Orlik, Makoto Miyake, Yunnan Wu, Sinan Gezici, Harry Sheng, SY Kung, H Kobayashi, H. Vincent Poor, Alexander Haimovich and Jinyun Zhang
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:683054
  6. The design of a class of jitter-robust, Hermite polynomial-based, orthogonal pulses for ultra-wideband impulse radio (UWB-IR) communications systems is presented. A unified and exact closed-form expression of ...

    Authors: Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell and Ryuji Kohno
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:642192
  7. The error probability and capacity of a time-hopping ultra-wideband (UWB) communication system with receive diversity are investigated. We consider pulse amplitude modulation (PAM) and pulse-position modulatio...

    Authors: Hao Zhang and T. Aaron Gulliver
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:587486
  8. This work aims at characterizing the second-order statistics of indoor ultra-wideband (UWB) channels using channel sounding techniques. We present measurement results for different scenarios conducted in a lab...

    Authors: Aawatif Menouni Hayar, Raymond Knopp and Rachid Saadane
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:549584
  9. We present a new analog circuit exhibiting high bandwidth and low distortion, specially designed for signal correlation in an ultra-wideband receiver front end. The ultra-wideband short impulse signals are cor...

    Authors: Chunjiang Tu, Boan Liu and Hongyi Chen
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:546896
  10. In a pulse-position modulation-based ultra-wideband (UWB) communication system, multiple access is enabled by assigning unique time-hopping sequences to different users. Each user's data information is carried...

    Authors: Zhengyuan Xu, Jin Tang and Ping Liu
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:520532
  11. The problem of asynchronous direct-sequence code-division multiple-access (DS-CDMA) detection over the ultra-wideband (UWB) multipath channel is considered. A joint synchronization, channel-estimation, and mul...

    Authors: Lars P. B. Christensen
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:475431
  12. We present Cramér-Rao lower bounds (CRLBs) for the synchronization of UWB signals which should be tight lower bounds for the theoretical performance limits of UWB synchronizers. The CRLBs are investigated for ...

    Authors: Jian Zhang, Rodney A. Kennedy and Thushara D. Abhayapala
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:293649
  13. Authors: Maria-Gabriella Di Benedetto, Thomas Kaiser and Norbert Schmidt
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:250682
  14. We analyze the performance of ultra-wideband (UWB) multiple-input multiple-output (MIMO) systems employing various modulation and multiple access (MA) schemes including time-hopping (TH) binary pulse-position ...

    Authors: W. Pam Siriwongpairat, Masoud Olfat and K. J. Ray Liu
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:237098
  15. This paper presents a novel UWB communications system using double FM: a low-modulation index digital FSK followed by a high-modulation index analog FM to create a constant-envelope UWB signal. FDMA techniques...

    Authors: John F.M. Gerrits, Michiel H.L. Kouwenhoven, Paul R. van der Meer, John R. Farserotu and John R. Long
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:189150
  16. Impulse radio-based ultra-wideband (UWB) communication systems allow multiple users to access channels simultaneously by assigning unique time-hopping codes to individual users, while each user's information s...

    Authors: Zhengyuan Xu, Ping Liu and Jin Tang
    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:174058