Title Improved Space-Time Codes for the OFDMA PHY with four transmission antennas Date Submitted

Re: Contribution supporting TGe WG ballot #14c Abstract Improved full-rate full-diversity space-time code for 4-Tx antennas Purpose Adoption of proposed changes into P802.16e Crossed-out indicates deleted text, underlined blue indicates new text change to the Standard, and underlined green indicates newly added text from the original contribution Notice This document has been prepared to assist IEEE 802.16. It is offered as a basis for discussion and is not binding onthe contributing individual(s) or organization(s). T he material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution,and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.16. Patent Policy and Procedures The contributor is familiar with the IEEE 802.16 Patent Policy and Procedures (Version 1.0