Starting Time Alignment Timer Before Receiving an Initial Timing Advance Command

Starting Time Alignment Timer Before Receiving an Initial Timing Advance Command

A base station transmits a radio resource control (RRC) message indicating that a wireless device starts a time alignment timer of a timing advance group (TAG) in response to the RRC message. The base station starts the time alignment timer of the TAG before transmitting an initial medium access con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Dinan, Esmael Hejazi
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A base station transmits a radio resource control (RRC) message indicating that a wireless device starts a time alignment timer of a timing advance group (TAG) in response to the RRC message. The base station starts the time alignment timer of the TAG before transmitting an initial medium access control (MAC) timing advance command (TAC) for the TAG and after transmitting the RRC message.