| 摘要 |
<p>The present invention discloses a kind of self-adapting weighted space time transmitting diversity method. Transmitting terminal first space time encodes the symbols that wait for transmitting, according to certain rule, and then output it, and in accordance with present assigned transmitted power weight value, real time adjusts present transmitted power value of two ways transmitting antennas, respectively. After having determined the transmission power, the transmitting antenna array sends the output signals that have space time encoded from two independent antennas, according to present transmission power value. The receiver of receiving terminal in accordance with present received signals, utilize channel estimation method, estimate fading characteristics of two ways wireless channel, and feedback to transmitting terminal. Transmitting terminal receives from feedback channel and obtains wireless channel amplitude of fading characteristic, calculates new self-adapting weight value of transmission power, and make adjust transmission power in accordance with the value. The present invention also discloses a kind of system that used to realize aforesaid self-adapting weighted space time transmitting diversity method. The method and architecture could dynamic adjustment transmission power in self-adapting weighted mode, enhanced system performance gain.</p> |
