IEEE通信界比较新的几篇综述性文献,报告最新宽带无线通信和超宽带通信 多用户MIMO-OFDM等研究进展-Recent advances in communications
文 件 列 表
3.Multiuser MIMO-OFDM for Next-Generation Wireless Systems.pdf Nov.04SP.Mag_Ultra-wideband communications_an idea whose time has come.pdf 1.InvitedPaper_Broadband MIMO-OFDM wireless communications.pdf
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001710s ]
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:0.134376s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001153s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001882s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001247s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003562s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001072s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003200s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014253s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001303s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 162921 [ RunTime:0.001276s ]
