... Design for Amplify-and-Forward Multiple Antenna Relaying Systems by Chengwen Xing B.Eng., Xidian University, Xi’an, P R China A thesis submitted in partial fulfillment of the requirements for the ... thesis Transceiver designs for point-to-point MIMO or multi-user MIMO systems have been widely addressed previously However, for AF MIMO xi relaying system, due to the relaying operation, transceiver ... important metric for transceiver design [23–26] Furthermore, based on implementation consideration, linear minimum mean-square-error (LMMSE) transceiver is more preferable compared to its nonlinear counterparts...