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UWB—State of the Art

  1. Content type: Research Article

    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

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  2. Content type: Research Article

    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

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  3. Content type: Research Article

    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

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  5. Content type: Research Article

    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

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  6. Content type: Research Article

    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

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  7. Content type: Research Article

    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

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  8. Content type: Research Article

    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

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  9. Content type: Research Article

    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

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  10. Content type: Research Article

    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

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  11. Content type: Research Article

    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

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  13. Content type: Research Article

    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

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  14. Content type: Research Article

    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

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  15. Content type: Research Article

    Authors: Maria-Gabriella Di Benedetto, Thomas Kaiser and Norbert Schmidt

    Citation: EURASIP Journal on Advances in Signal Processing 2005 2005:250682

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  16. Content type: Research Article

    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

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  17. Content type: Research Article

    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

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  18. Content type: Research Article

    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

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