Title:
【発明の名称】移動通信システム
Document Type and Number:
Japanese Patent JP3308549
Kind Code:
B2
Abstract:
In a mobile communication system and a WLL communication system sharing a frequency or a time slot including time-divided CDMA method and TDMA method, radio waves are divided into groups according to a magnitude of a transmitting power and each group is assigned to a different time slot. Further, a frame synchronization is established among the base stations based on the transmitted radio waves, and cellular communication systems and PCS systems each having different time slot length are performed under a same frame synchronization.
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Inventors:
Yoshinori Uchida
Shinji Matsumoto
Shinji Matsumoto
Application Number:
JP50410699A
Publication Date:
July 29, 2002
Filing Date:
June 16, 1997
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H04B7/26; H04W16/14; (IPC1-7): H04Q7/10; H04Q7/20; H04Q7/36
Domestic Patent References:
| JP6335025A | ||||
| JP6335026A | ||||
| JP6318927A | ||||
| JP8130766A | ||||
| JP5110504A | ||||
| JP7222227A | ||||
| JP7327263A | ||||
| JP823574A |
Attorney, Agent or Firm:
Hiroaki Tazawa (1 person outside)