Zobrazeno 1 - 10
of 66
pro vyhledávání: '"M. de Courville"'
Publikováno v:
IEEE Transactions on Signal Processing. 54:1005-1017
This paper details a new orthogonal-frequency-division-multiplexing (OFDM) modulator based on the use of a pseudorandom postfix (PRP)-OFDM and discusses low-complexity equalization and channel estimation/tracking architectures. The main property of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4df0ddecb178de640b9948c3b11593d2
https://doi.org/10.1109/tsp.2005.863012
https://doi.org/10.1109/tsp.2005.863012
Publikováno v:
IEEE Transactions on Communications. 52:1444-1448
Recent results on the asymptotic empirical eigenvalue distribution of random matrices have enabled the study of the asymptotic limits of linear precoded orthogonal frequency-division multiplexing systems with minimum mean-square error (MMSE) equaliza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c39ea028cc413da76339072f2899483
https://doi.org/10.1109/tcomm.2004.833177
https://doi.org/10.1109/tcomm.2004.833177
Publikováno v:
IEEE Transactions on Communications. 50:2136-2148
Zero padding (ZP) of multicarrier transmissions has been proposed as an appealing alternative to the traditional cyclic prefix (CP) orthogonal frequency-division multiplexing (OFDM) to ensure symbol recovery regardless of the channel zero locations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c57b70a51c806546b82aa971a54bb0e9
https://doi.org/10.1109/tcomm.2002.806518
https://doi.org/10.1109/tcomm.2002.806518
Publikováno v:
IEEE Transactions on Communications. 50:1725-1728
We extend the turbo demodulation procedure proposed by Li and Ritcey (see IEEE Journal on Selected Areas in Communications, vol.17, no.4, p.715-24, 1999) and by Magniez, Muquet, Duhamel, Buzenac and de Courville (see Proc. Int. Symp. on Turbo Codes a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ae026d7c1cac5c2a4a5610290401d34
https://doi.org/10.1109/tcomm.2002.805265
https://doi.org/10.1109/tcomm.2002.805265
Publikováno v:
IEEE Transactions on Signal Processing. 50:1699-1712
This paper proposes a new blind channel estimation method for orthogonal frequency division multiplexing (OFDM) systems. The algorithm makes use of the redundancy introduced by the cyclic prefix to identify the channel based on a subspace approach. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08b7cca07301ad650e900913e969d3f1
https://doi.org/10.1109/tsp.2002.1011210
https://doi.org/10.1109/tsp.2002.1011210
Publikováno v:
IEEE Transactions on Signal Processing. 46:979-995
This paper presents conventional and emerging applications of orthogonal synthesis/analysis transform configurations (transmultiplexer) in communications. It emphasizes that orthogonality is the underlying concept in the design of many communication
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90b4cc0730eca89210c15c57ed51036c
https://doi.org/10.1109/78.668551
https://doi.org/10.1109/78.668551
Publikováno v:
ICASSP (3)
This contribution proposes an iterative channel impulse response (CIR) estimation scheme in the context of the pseudo-random-postfix OFDM (PRP-OFDM) modulation. While conventional techniques reduce noise and interference of OFDM data symbols on the C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77516913f2523eaddd7822a627cae819
https://doi.org/10.1109/icassp.2005.1415822
https://doi.org/10.1109/icassp.2005.1415822
Publikováno v:
ICASSP (4)
Direct sequence ultra wide band (DS-UWB) is a strong candidate for high data rate (HDR) wireless personal area networks (WPAN) IEEE 802.15.3a standard for achieving up to 480 Mbps. This paper presents a new system design methodology based on a multic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daf4fb508bac7dde781bd31ca78a3039
https://doi.org/10.1109/icassp.2006.1661014
https://doi.org/10.1109/icassp.2006.1661014
Publikováno v:
Conference Record of the Thirty-Ninth Asilomar Conference onSignals, Systems and Computers, 2005..
For very large bandwidth systems such as Direct Sequence Ultra Wide Band (DS-UWB)(1), the channel impulse response delay spread is much larger than for traditional CDMA(2) systems. This requires an adaptation of the usual Rake(3) equalization scheme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99cce4376d820bb7db729d45c9615e46
https://doi.org/10.1109/acssc.2005.1599905
https://doi.org/10.1109/acssc.2005.1599905
Publikováno v:
ICC
Impulse radio (IR) ultra wide band systems (UWB) by nature require an accurate timing. This contribution proposes three digital algorithms for compensating the time jitter resulting from the oscillator driving the receiver sampler. The main idea is t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bf1ed7d426afc8ed5f14596264d9e97
https://doi.org/10.1109/icc.2005.1494385
https://doi.org/10.1109/icc.2005.1494385