Compressed Mode for UMTS Enhanced Dedicated Channel for Circuit Switched Voice Services

Compressed Mode for UMTS Enhanced Dedicated Channel for Circuit Switched Voice Services

The present invention addresses methods, apparatuses and computer program products for improved compressed mode operation for enhanced dedicated channel DCH in circuit switched CS voice services/transmissions. A compressed mode of a user equipment is configured during performing a circuit switched v...

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Hauptverfasser: Ranta-Aho Karri Markus, Hoehne Hans Thomas
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 Ranta-Aho Karri Markus
Hoehne Hans Thomas
description The present invention addresses methods, apparatuses and computer program products for improved compressed mode operation for enhanced dedicated channel DCH in circuit switched CS voice services/transmissions. A compressed mode of a user equipment is configured during performing a circuit switched voice service over a dedicated channel according to Wideband Code-Division Multiple Access operation upon demand for network specific measurement, whereby measurement gaps are created in the data transmission. In uplink, transmission of a voice frame to be compressed is performed using a 10 ms transmission, whereas in downlink, transmission of a voice frame to be compressed is stopped after a fixed number of slots have been transmitted, wherein the fixed number of slots is set such as to ensure a measurement gap with at least 14 slots.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Compressed Mode for UMTS Enhanced Dedicated Channel for Circuit Switched Voice Services
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