FAST TIMING ACQUISITION FOR DISCONTINUOUS RECEPTION (DRX)

FAST TIMING ACQUISITION FOR DISCONTINUOUS RECEPTION (DRX)

Techniques performed by a User Equipment (UE) are provided for fast timing acquisition for Discontinuous Reception (DRX) cycles. The UE determines one or more System Frame Number (SFN) hypotheses. Each of the one or more SFN hypothesis can represent a possible SFN at which the UE can wake up from a...

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Hauptverfasser: TIRUCHERAI MURALIDHARAN, Vijayvaradharaj, ZAKI, Ahmed
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator TIRUCHERAI MURALIDHARAN, Vijayvaradharaj
ZAKI, Ahmed
description Techniques performed by a User Equipment (UE) are provided for fast timing acquisition for Discontinuous Reception (DRX) cycles. The UE determines one or more System Frame Number (SFN) hypotheses. Each of the one or more SFN hypothesis can represent a possible SFN at which the UE can wake up from a sleep state of a Discontinuous Reception (DRX) cycle. For at least one of the one or more SFN hypotheses, the UE generates a detection metric based at least partially on a Physical Broadcast Channel (PBCH) sequence received from a base station, and determines, based on a value of the detection metric, whether the at least one SFN hypothesis represents a current SFN in accordance with a clock source used the base station for communicating with the UE. Other aspects, embodiments, and features are also claimed and described.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title FAST TIMING ACQUISITION FOR DISCONTINUOUS RECEPTION (DRX)
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