NO904194L - TELECOMMUNICATIONS SYSTEM. - Google Patents
TELECOMMUNICATIONS SYSTEM.Info
- Publication number
- NO904194L NO904194L NO90904194A NO904194A NO904194L NO 904194 L NO904194 L NO 904194L NO 90904194 A NO90904194 A NO 90904194A NO 904194 A NO904194 A NO 904194A NO 904194 L NO904194 L NO 904194L
- Authority
- NO
- Norway
- Prior art keywords
- channel
- logical
- synchronization
- communication
- asynchronous
- Prior art date
Links
Abstract
En kommunikasjonsprosedyre som er egnet for et trådløst telefonsystem omfatter tidsdelt dupleks radiokommunikasjon mellom en mikrotelefon (11) og en basisstasjon (3) med bruk alternerende overføringssalver over en enkelt radiokanal. Straks et radiosamband er satt opp, fører initiale overføringer en logisk kanal (S) for synkronisering og en logisk kanal (D) for signalering som er multiplekset sammen, men sambandet kan svitsje til salver som fører en logisk kommunikasjonskanal (B) for taledata og en logisk signaleringskanal (D). Salvesynkronisering oppnås ved asynkron deteksjon av ord i en synkroniseringska- nal (S). Disse ordene har bitmønstre som reduserer sannsynligheten for ukorrekt asynkron deteksjon av dem. Hvis en del opphører å motta mikrotelefonsignalene fra den annen, overfører den et spesielt signal som informerer den annen part. Dette gjør at begge parter kan detektere brudd i et samband hovedsakelig på samme tidspunkt, slik at deres tiltak for å gjenopprette sambandet synkroniseres.A communication procedure suitable for a wireless telephone system comprises time-shared duplex radio communication between a microphone (11) and a base station (3) using alternating transmission salts over a single radio channel. Once a radio connection is set up, initial transmissions carry a logical channel (S) for synchronization and a logical channel (D) for signaling multiplexed together, but the connection may switch to ointments which carry a logical communication channel (B) for voice data and a logical signaling channel (D). Ointment synchronization is achieved by asynchronous word detection in a synchronization channel (S). These words have bit patterns that reduce the likelihood of incorrect asynchronous detection of them. If one part ceases to receive the microphone signals from the other, it transmits a special signal informing the other party. This allows both parties to detect breaches in a relationship essentially at the same time, so that their relationship recovery efforts are synchronized.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898901756A GB8901756D0 (en) | 1989-01-27 | 1989-01-27 | Multi-bit synchronisation words in digital communications |
GB898901823A GB8901823D0 (en) | 1989-01-27 | 1989-01-27 | Radio telecommunications systems |
PCT/GB1990/000120 WO1990009073A1 (en) | 1989-01-27 | 1990-01-26 | Telecommunications system |
Publications (2)
Publication Number | Publication Date |
---|---|
NO904194D0 NO904194D0 (en) | 1990-09-26 |
NO904194L true NO904194L (en) | 1990-11-27 |
Family
ID=27264286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO90904194A NO904194L (en) | 1989-01-27 | 1990-09-26 | TELECOMMUNICATIONS SYSTEM. |
Country Status (1)
Country | Link |
---|---|
NO (1) | NO904194L (en) |
-
1990
- 1990-09-26 NO NO90904194A patent/NO904194L/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO904194D0 (en) | 1990-09-26 |
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