Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Wanlun Zhao"'
Publikováno v:
ICC
In communication systems employing a serially concatenated cyclic redundancy check (CRC) code along with a convolutional code (CC), erroneous packets after CC decoding are usually discarded. The list Viterbi algorithm (LVA) and the iterative Viterbi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::488141b689fb81f91b15afaf29c7f72b
https://doi.org/10.1109/tcomm.2008.060543
https://doi.org/10.1109/tcomm.2008.060543
Autor:
G.B. Giarmakis, Wanlun Zhao
Publikováno v:
IEEE Transactions on Wireless Communications. 5:101-111
Closest point algorithms find wide applications in decoding block transmissions encountered with single- or multiuser communication links relying on a single or multiple antennas. Capitalizing on the random channel and noise models typically encounte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d049a00b63119785697a6a1c5aa766a2
https://doi.org/10.1109/twc.2006.1576534
https://doi.org/10.1109/twc.2006.1576534
Publikováno v:
IEEE Transactions on Information Theory. 50:1319-1327
We construct unitary noncoherent space-time constellations, which can be considered as a concatenation of a training block with an orthogonal design. With a simple construction, our constellations are easy to design, enjoy full antenna diversity, all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55898bc7532280750ef091d5c4bb9dce
https://doi.org/10.1109/tit.2004.828154
https://doi.org/10.1109/tit.2004.828154
Publikováno v:
IEEE Transactions on Communications. 52:346-349
Frequency-shift keying (FSK) is a popular modulation scheme in power-limited communication links. This paper introduces space-time FSK (ST-FSK), which does not require any channel state information at the transmitter and the receiver, as in conventio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18bcba4fc813905ec3924652f2f22840
https://doi.org/10.1109/tcomm.2004.823647
https://doi.org/10.1109/tcomm.2004.823647
Autor:
Peter J. Black, J. Han, Wanlun Zhao, Rashid Ahmed Akbar Attar, Yu-Cheun Jou, Qiang Wu, Bharat Ahuja
Publikováno v:
2009 IEEE International Conference on Communications Workshops.
The forward link capacity of a cdma2000 lx system is power limited. Therefore, average data rate (ADR), link efficiency, and receiver signal-to-noise ratio (SNR) are the key factors for capacity improvement. In this paper, we introduce the new featur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9877ea0d5b4ed23ce6bce2c69450b71
https://doi.org/10.1109/iccw.2009.5208105
https://doi.org/10.1109/iccw.2009.5208105
Publikováno v:
ICC Workshops - 2008 IEEE International Conference on Communications Workshops.
Research and development on mobile phone positioning technologies are gaining momentum due to the potential in location based services. Mobile location is estimated based on measurements from satellites and terrestrial base stations. Satellite measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96865065f156586a2935de6c0e8234a0
https://doi.org/10.1109/iccw.2008.8
https://doi.org/10.1109/iccw.2008.8
Publikováno v:
Scopus-Elsevier
At the expense of spectral efficiency loss, cooperation among users improves error performance by enhancing the diversity provided by slow fading channels. Recently, multi-source cooperation (MSC) has been introduced to improve cooperative diversity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62264e09b3e5bfe5e9cc8f68d613b130
https://doi.org/10.1109/rws.2006.1615147
https://doi.org/10.1109/rws.2006.1615147
Autor:
Wanlun Zhao, Georgios B. Giannakis
Publikováno v:
WCNC
We start by identifying a relatively efficient version of sphere decoding algorithm (SDA) that performs exact maximum-likelihood (ML) decoding. We develop novel algorithms based on an improved increasing radius search (IIRS), which offer error perfor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3408ad1acf1d58ff280976bf83b54a0
https://doi.org/10.1109/wcnc.2004.1311445
https://doi.org/10.1109/wcnc.2004.1311445
Publikováno v:
ICC
Scopus-Elsevier
Scopus-Elsevier
We design constellations for non-coherent space-time systems. Given in algebraic form, the constructed constellations are easy to design, enjoy full diversity, allow for a simplified maximum likelihood detector, and achieve performance comparable to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b74abe27417ab00aad3b349ee5f3569
https://doi.org/10.1109/icc.2003.1204013
https://doi.org/10.1109/icc.2003.1204013
Autor:
Renqiu Wang1 rwang@qualcomm.com, Wanlun Zhao1 wzhao@qualcomm.com, Giannakis, Georgios B.2 georgios@umn.edu
Publikováno v:
IEEE Transactions on Communications. Nov2008, Vol. 56 Issue 11, p1807-1815. 9p. 3 Black and White Photographs, 8 Graphs.