Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
時間直交広帯域および狭帯域システムを有する電気通信ネットワーク
Document Type and Number:
Japanese Patent JP3840617
Kind Code:
B2
Abstract:
A telecommunications network including a CDMA system and FDMA/TDMA system, both operating in a common frequency range, is disclosed. In an embodiment of the invention, the transmission and reception of narrowband FDMA/TDMA signals on a plurality of radio frequency channels within FDMA/TDMA system is synchronized such that at least one time slot of each TDMA frame on each radio channel is reserved. The transmission and reception of CDMA signals in the CDMA system is then performed during the reserved time slots of each TDMA frame. In an alternative embodiment, complete TDMA frames on each radio channel are reserved for CDMA transmission and reception.

Inventors:
Woodenfeld, Jan
Application Number:
JP52926497A
Publication Date:
November 01, 2006
Filing Date:
February 12, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Telefon Acty Boraget Elm Ericson (Pubble)
International Classes:
H04Q7/36; H04B7/26; H04J4/00
Domestic Patent References:
JP7059161A
JP7222227A
JP6318927A
JP8130766A
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Hayashi Zouzo
Kuniaki Shimizu