本程序仿真了SISO SIMO MISO MIMO(with or without Alamouti Code)，并进行了性能比较，有详细的说明文档和公式推导.The BER performance for the SISO, SIMO, MISO with and without Alamouti, and MIMO with Alamouti is demonstrated in these resources.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000899s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.064895s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000972s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001160s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000902s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003086s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000784s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003666s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015995s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001071s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 346341 [ RunTime:0.015029s ]
