Radio channel selection method and system

Multiplex communications – Wide area network – Packet switching

Patent

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Details

370 953, 455 341, 455 542, H04B 7212

Patent

active

055330240

ABSTRACT:
In a radio channel selection method, when an originating operation is performed, a mobile terminal transmits a call setting signal indicating that communication can be performed by either of first and second communication schemes in different communication forms. A radio base station then receives the call setting signal from the mobile terminal, and it is checked whether there is any available radio channel in the first communication scheme. If there is an available radio channel in the first communication scheme, the selected available radio channel is transmitted, as a radio channel designation signal, to the mobile terminal. If there is no available radio channel in the first communication scheme, a search for an available radio channel in the second communication scheme is performed. If there is an available radio channel in the second communication scheme, the selected available radio channel is transmitted, as a radio channel designation signal, to the mobile terminal. If there is no available radio channel in both the first and second communication schemes, a clear-forward signal is transmitted to the mobile terminal. A radio channel selection system is also disclosed.

REFERENCES:
patent: 5299199 (1994-03-01), Wilson et al.
patent: 5343513 (1994-08-01), Kay et al.
patent: 5369637 (1994-11-01), Richardson et al.

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