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The cooperative CDMA system proposed in this paper performs two phases of transmission. In phase I, each user node transmits its own information which is received by the base station (BS) as well as the other user nodes; in phase II, each partner node relays a processed version of the information received in the previous phase. Two iterative detectors are developed at the B S to combat multiple access...
The Turbo receiver for MIMO channels employs a soft-input, soft-output (SISO) detector followed by a SISO channel decoder. In this letter, we describe and analyze two low complexity SISO detectors named as M-Partial-MAP and LPartial-MAP for LDPC coded MIMO systems. The latter performs slightly better than the former at the price of some computational complexities.
We propose a mechanism in which the feedback channel state information (CSI) can be sent to the rate control unit for adapting the encoding rate and doing the selective ARQ at the transmitter periodically. We consider a general framework for the real-time transmission of video data over a channel subjected to random burst packet losses. It is an intuitively appealing result that the rate for the encoded...
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