Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-10-13
2000-12-05
Vo, Nguyen
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455511, 455 671, H04B 700
Patent
active
061578398
ABSTRACT:
This invention relates to methods of initiating a reconfiguration of a cell regarding the number of signalling channels in relation to the number of traffic channels. Each signalling channel (SDCCH/8) contains a number of dedicated control channels (SDCCH). The invention can be divided into two parts, an increase condition in which a traffic channel (TCH) is converted to a signalling channel (SDCCH/8) and a decrease condition in which a signalling channel is reconverted to a traffic channel. These two conditions can be performed independently of each other. In the increase condition, the conversion to a signalling channel is done based on three conditions (1,2,3; FIG. 3) depending on the number of idle dedicated channels (SDCCH) and the number of traffic channels (TCH). In the decrease condition, the conversion (FIG. 4; FIG. 5) is based on the number of signalling channels (SDCCH/8) and the dedicated control channels (SDCCH) in the cell.
REFERENCES:
patent: 5239678 (1993-08-01), Grube et al.
patent: 5299198 (1994-03-01), Kay et al.
patent: 5513183 (1996-04-01), Kay et al.
patent: 5729534 (1998-03-01), Jokinen et al.
Cerwall Carl Patrik
Helleberg Anna
Kincaid Lester G.
Telefonaktiebolaget LM Ericsson
Vo Nguyen
LandOfFree
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