Quality of Service Optimization in the Broadcast Channel with Imperfect Transmit Channel State Information (2015)
Abstract / truncated to 115 words
This work considers a Broadcast Channel (BC) system, where the transmitter is equipped with multiple antennas and each user at the receiver side could have one or more antennas. Depending on the number of antennas at the receiver side, such a system is known as Multiple-User Multiple-Input Single-Output (MU-MISO), for single antenna users, or Multiple-UserMultiple-InputMultiple-Output (MU-MIMO), for several antenna users. This model is suitable for current wireless communication systems. Regarding the direction of the data flow, we differentiate between downlink channel or BC, and uplink channel or Multiple Access Channel (MAC). In the BC the signals are sent from the Base Station (BS) to the users, whereas the information from the users is sent to ... toggle 17 keywordsMISO – MIMO – CSI – interfernce function – data rate – MSE – quality of service – balancing – feasibility – broadcast channel – multiple access channel – multiple stream – OFDM – lloyd's algorithm – alternate optimization – SINR – duality
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