PT89897A - Initialisation of communication channel subscriber system - communicates both DC signalling information and voice data signals over assigned channel between line appearance and line interface - Google Patents
Initialisation of communication channel subscriber system - communicates both DC signalling information and voice data signals over assigned channel between line appearance and line interfaceInfo
- Publication number
- PT89897A PT89897A PT8989789A PT8989789A PT89897A PT 89897 A PT89897 A PT 89897A PT 8989789 A PT8989789 A PT 8989789A PT 8989789 A PT8989789 A PT 8989789A PT 89897 A PT89897 A PT 89897A
- Authority
- PT
- Portugal
- Prior art keywords
- base station
- subscriber
- communication channel
- line
- initialisation
- Prior art date
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The subscriber communication system includes a base station in a network with a number of subscriber stations, where control information is communicated between the base station and the subscriber stations over a radio control channel (RCC) at a frequency selected by the base station from a number of predetermined frequencies. The a base station transmits control messages including a unique network number over the RCC. Each subscriber station processes the network number in the control message received over the RCC to enable the subscriber station to process the control message in accordance with whether the subscriber station is in the same network as the base station. The timing of communications transmitted by a subscriber station over a given communication channel between a base station and the subscriber station is refined upon initial establishment of the communication channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8989789A PT89897B (en) | 1989-03-03 | 1989-03-03 | SUBSCRIBER COMMUNICATIONS SYSTEM INCLUDING A CERTAIN NUMBER OF BASIC STAKES AND A CERTAIN NUMBER OF SUBSCRIBER POSTS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8989789A PT89897B (en) | 1989-03-03 | 1989-03-03 | SUBSCRIBER COMMUNICATIONS SYSTEM INCLUDING A CERTAIN NUMBER OF BASIC STAKES AND A CERTAIN NUMBER OF SUBSCRIBER POSTS |
Publications (2)
Publication Number | Publication Date |
---|---|
PT89897A true PT89897A (en) | 1991-08-14 |
PT89897B PT89897B (en) | 1995-12-29 |
Family
ID=20084425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT8989789A PT89897B (en) | 1989-03-03 | 1989-03-03 | SUBSCRIBER COMMUNICATIONS SYSTEM INCLUDING A CERTAIN NUMBER OF BASIC STAKES AND A CERTAIN NUMBER OF SUBSCRIBER POSTS |
Country Status (1)
Country | Link |
---|---|
PT (1) | PT89897B (en) |
-
1989
- 1989-03-03 PT PT8989789A patent/PT89897B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT89897B (en) | 1995-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19950904 |
|
MM4A | Annulment/lapse due to non-payment of fees;searched & examined patent |
Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20100906 |