OFDM for Wireless Multimedia Communications
OFDM for Wireless Multimedia Communications
On Limits of Wireless Communications in a Fading Environment when UsingMultiple Antennas
Wireless Personal Communications: An International Journal
Space-Time Coding
Closed-form blind MIMO channel estimation for orthogonal space-time block codes
IEEE Transactions on Signal Processing
Subspace methods for the blind identification of multichannel FIRfilters
IEEE Transactions on Signal Processing
Blind channel estimation using the second-order statistics: algorithms
IEEE Transactions on Signal Processing
Blind channel estimation using the second-order statistics: asymptotic performance and limitations
IEEE Transactions on Signal Processing
Blind and semi-blind equalization for generalized space-time block codes
IEEE Transactions on Signal Processing
Redundant filterbank precoders and equalizers. I. Unification andoptimal designs
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Blind channel identification and equalization withmodulation-induced cyclostationarity
IEEE Transactions on Signal Processing
Capon multiuser receiver for CDMA systems with space-time coding
IEEE Transactions on Signal Processing
Subspace-based (semi-) blind channel estimation for block precodedspace-time OFDM
IEEE Transactions on Signal Processing
Asymptotically optimal blind fractionally spaced channel estimationand performance analysis
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Blind ML detection of orthogonal space-time block codes: efficient high-performance implementations
IEEE Transactions on Signal Processing
Semiblind multiuser MIMO channel estimation using capon and MUSIC techniques
IEEE Transactions on Signal Processing
IEEE Transactions on Information Theory
Space-time block codes from orthogonal designs
IEEE Transactions on Information Theory
A new approach to layered space-time coding and signal processing
IEEE Transactions on Information Theory
Single-carrier space-time block-coded transmissions over frequency-selective fading channels
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
EURASIP Journal on Wireless Communications and Networking
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Wireless communications often exploit guard intervals between data blocks to reduce interblock interference in frequency-selective fading channels. Here we propose a dual-branch transmission scheme that utilizes guard intervals for blind channel estimation and equalization. Unlike existing transmit diversity schemes, in which different antennas transmit delayed, zero-padded, or time-reversed versions of the same signal, in the proposed transmission scheme, each antenna transmits an independent data stream. It is shown that for systems with two transmit antennas and one receive antenna, as in the case of one transmit antenna and two receive antennas, blind channel estimation and equalization can be carried out based only on the second-order statistics of symbol-rate sampled channel output. The proposed approach involves no preequalization and has no limitations on channel-zero locations. Moreover, extension of the proposed scheme to systems with multiple receive antennas and/or more than two transmit antennas is discussed. It is also shown that in combination with the threaded layered space-time (TST) architecture and turbo coding, significant improvement can be achieved in the overall system performance.