Novel orthogonal space time block codes for multiple transmit antennas(nine and ten antennas with full code rate)

Abstract

Alamouti Proposed Orthogonal STBCS for two transmit antennas with code rate one. Tarkoh investigated for three to eight transmit antennas with code rate is ½. Jafarkhni proposed for non orthogonal STBCS four transmit antennas with code rate is one. Tarokh, Jafarkhani, and Calderbank[3] gave the transmitting antennas code rate- ½ for nine transmit antennas code has delay 32. This paper intends new matrix GCOD Space time block codes for nine, ten transmit antennas which can send 16 information symbols in a block of 16 channel uses and hence have code rate 16/16=1.