Issued Patents All Time
Showing 76–100 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8184594 | Handover processing method, eNB and network communication system thereof | Mingju LI, Lei Du | 2012-05-22 |
| 8160048 | Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereof | Lei Du, Yong Bai, Hidetoshi Kayama | 2012-04-17 |
| 8139692 | Code evaluator, code evaluation method, radio communication system, base station and mobile station | Kenichi Higuchi, Teruo Kawamura, Mamoru Sawahashi, Xiaoming Dai, Yong Bai | 2012-03-20 |
| 8111652 | Base station, radio communication system, and communication method | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2012-02-07 |
| 7974240 | Cellular network based on relay station and space division duplex communication method | Jingxiu Liu, Zhengang Pan | 2011-07-05 |
| 7970349 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2011-06-28 |
| 7965651 | Method and apparatus for setting active period starting point for user equipment | Lei Du, Mikio Iwamura, Umesh Kadaba Anil | 2011-06-21 |
| 7912141 | Pre-coding method for MIMO system and apparatus using the method | Xiaoming She, Jingxiu Liu, Kenichi Higuchi | 2011-03-22 |
| 7907582 | Method and apparatus for access point selection in wireless LAN | Lei Du, Yong Bai, Fujio Watanabe, Akira Yamada | 2011-03-15 |
| 7894821 | Method and apparatus of dynamic spectrum allocation in coexisting heterogeneous wireless networks | Yong Bai, Kayama Hidetoshi | 2011-02-22 |
| 7890115 | Method of scheduling uplink resources in cellular communication system | Minghai Feng, Xiaoming She | 2011-02-15 |
| 7821982 | Packet communications taking into account channel quality and buffered data amount | Hidetoshi Kayama, Narumi Umeda | 2010-10-26 |
| 7813313 | MIMO communication system based on random beamforming and its user scheduling method | Zhengang Pan | 2010-10-12 |
| 7801482 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2010-09-21 |
| 7760680 | Prioritized communication between base station and mobile unit | Hidetoshi Kayama, Narumi Umeda | 2010-07-20 |
| 7760812 | HARQ method and system | Fang Liu, Zhengang Pan | 2010-07-20 |
| 7710977 | Allocation of radio resources to packets in accordance with service qualities under radio communication environment | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2010-05-04 |
| 7688789 | MIMO communication system and method capable of adaptive user scheduling | Zhengang Pan | 2010-03-30 |
| 7620021 | Method, base station and mobile station for timeslot selection and timeslot assignment | Narumi Umeda, Yasushi Yamao | 2009-11-17 |
| 7580387 | Time slot assigning method, signal transmission method, base station control apparatus, base station, and mobile station used in a mobile communications system | Hidetoshi Kayama, Narumi Umeda | 2009-08-25 |
| 7532572 | Packet communications system, base station and mobile station | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2009-05-12 |
| 7532601 | Transmission power control method, radio communication system, base station and mobile station | Hidetoshi Kayama, Narumi Umeda | 2009-05-12 |
| 7522576 | Distributed wireless access method based on network allocation vector table and apparatus of the same | Lei Du | 2009-04-21 |
| 7502596 | Mobile communication systems | Toshiaki Takao, Narumi Umeda | 2009-03-10 |
| 7483710 | Transmission power control method, communication device, and radio communication system | Daisuke Kitazawa, Hidetoshi Kayama, Narumi Umeda | 2009-01-27 |