A bandwidth-efficient cooperative relaying scheme with space–time block coding and iterative decoding

Cooperative cross-layer transmission for scalable video to resource-constrained receiver

“…The layers of U={1,1} include all quality layers of frames B 4 and P 8 . The layers of U = {2,0} include the first quality layers of frames B 2 , B 4 , B 6 and P 8 . In addition, the decoding of one temporal layer relies on its corresponding temporal layers indicated by the directional arrows.…”

“…As long as the relay link has a lower packet error rate (PER) than that of direct link, the system performance may be further improved. Unlike the investigated general signals of cooperative transmission in [6,7], we specifically consider the video signals that have the characteristics of large decoding complexity and inequable importance. Our cooperative cross-layer transmission scheme can adapt to the variety of available system resources, and select an optimal link to transmit the priority-based packets.…”

Wideband full-duplex MIMO relays with blind adaptive self-interference cancellation

“…While FF relays simply forward the message, after some basic processing [5], [6], to the next network element without awareness of the data content, DF relays process the message and regenerate/re-encode the source data streams [7], [8]. As a consequence, DF relays generally yield better performance than FF relays [9], [10].…”

Cooperative diversity relaying techniques in wireless communication networks

“…Then, the relay transmits only the reliable user streams while the rest of the users retransmit their own data streams synchronously. They study the optimal relay location for CRT and SDR, and show that the flexibility of CRT can provide SNR gain over SDR, In [84] and [85] the same authors study another protocol similar to SDR and CRT. In this protocol, unlike ours, the relays transmit one by one, which provides higher reliability in the user-relay communication, but also increases the bandwidth expansion.…”

“…They include code combining as opposed to diversity combining by jointly encoding the user streams at the relay and jointly decoding the relayed signal and direct signals at the destination. In [84] space time block coding in relay-destination link is also considered.…”