Zobrazeno 1 - 10
of 328
pro vyhledávání: '"T.T. Tjhung"'
Autor:
Zhenyu Sun, T.T. Tjhung
Publikováno v:
IEEE Transactions on Wireless Communications. 3:2335-2344
We propose and investigate a multiple-trellis-coded unitary space-time modulation (MTC-USTM) for a Rayleigh-flat-fading channel, where k/spl ges/2 unitary space-time signal blocks are assigned to a single branch in the trellis. We have also evolved d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94b5d84f3de5914efca3b5d8135df474
https://doi.org/10.1109/twc.2004.837659
https://doi.org/10.1109/twc.2004.837659
Publikováno v:
IEEE Transactions on Vehicular Technology. 52:1408-1412
A peak-to-average power ratio (PAPR) reduction technique based on A-law companding is proposed for a multicarrier modulation (MCM) system. Multicarrier modulation is also known as orthogonal frequency-division multiplexing (OFDM) or digital multitone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b6a662fec1564a4bf209cd79ecc46f9
https://doi.org/10.1109/tvt.2003.816631
https://doi.org/10.1109/tvt.2003.816631
Publikováno v:
IEEE Transactions on Broadcasting. 49:170-177
This paper deals with the effects of residual timing and frequency offsets on the symbol error rate (SER) performance of an orthogonal frequency division multiplexing (OFDM) system. The synchronization of an OFDM system generally consists of a coarse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dc3a94ecd121c1b419305001d73d21d
https://doi.org/10.1109/tgrs.2003.810271
https://doi.org/10.1109/tgrs.2003.810271
Publikováno v:
IEEE Transactions on Consumer Electronics. 46:131-136
A new digital multitone (DMT)-digital subscriber loop (DSL) system with MDPSK modulation for each subcarrier is proposed in this paper. The error performance of the system in the presence of additive white Gaussian noise (AWGN) and impulse noise (IN)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47be32847e712c31e42ede620a8fa107
https://doi.org/10.1109/30.826390
https://doi.org/10.1109/30.826390
Publikováno v:
Journal of Communications and Networks. 1:231-237
The transmission of high-speed data over Digital Subscriber Loop (DSL) can be accomplished through the use of Discrete Multitone (DMT). Due to the frequency dependent channel distortion and crosstalk, there is a need to determine the performance of D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9052750e5f247a84c01697e4d349c50
https://doi.org/10.1109/jcn.1999.6597004
https://doi.org/10.1109/jcn.1999.6597004
Publikováno v:
IEEE Transactions on Broadcasting. 45:303-307
A companding technique is proposed to reduce the peak-to-average-power ratio of the orthogonal frequency division multiplexing (OFDM) signal in this paper. The probability density function of the amplitude of the OFDM signal is determined. Because of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ad492e326c412008af769c5ba65bd06
https://doi.org/10.1109/11.796272
https://doi.org/10.1109/11.796272
Publikováno v:
IEEE Transactions on Vehicular Technology. 43:499-508
Diversity reception and error correction coding are powerful techniques to combat multipath fading encountered in mobile radio communications. In order to improve the transmission performance of the /spl pi//4-shift QDPSK signal in mobile radio chann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcf05b7679a1e75037c166422b7f72d2
https://doi.org/10.1109/25.312797
https://doi.org/10.1109/25.312797
Publikováno v:
IEEE Transactions on Vehicular Technology. 42:197-204
A closed-form expression is derived for the average click rate in an FM system when the transmitted signal experiences Rician fading. Click rate is useful for predicting the bit-error-rate (BER) performance of a digital frequency modulation (FM) sign
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a32f6b90ecaa66cc3be10a72529a159
https://doi.org/10.1109/25.211457
https://doi.org/10.1109/25.211457
Publikováno v:
IEEE Transactions on Broadcasting. 45:420-422
Xianbin Wang, Tjhung and Ng (see ibid., vol.45, no.3, 1999) authors reply that they would like to thank Mattsson, Mendenhall and Dittmer (see ibid., vol.45, no.4, 1999) for their constructive comments. They observe that indeed, it would be more meani
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea887da653131b4c0d3ff24ec2e573da
https://doi.org/10.1109/11.825538
https://doi.org/10.1109/11.825538
Autor:
Zheng Cheng, T.T. Tjhung
Publikováno v:
2005 Asia-Pacific Conference on Communications.
In this paper, we present a new computationally efficient and accurate so-called explicit modulated Lagrange adaptive frequency estimation (EMLAFE) algorithm that is based on a variable delay element of Etter and Hush and the modulated Lagrange adapt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f37b17d3ddd5178276d0c390a6057b3a
https://doi.org/10.1109/apcc.2005.1554196
https://doi.org/10.1109/apcc.2005.1554196