SYSTEM, METHOD, AND APPARATUS FOR SELECTING DOWNLINK CONTROL INFORMATION FORMAT

Selecting a downlink control information (DCI) format used for transmitting a DCI message in a subframe. The subframe may be used to carry, for instance, voice communication data to support a voice over LTE (VoLTE) application or to otherwise provide downlink (DL) voice coverage. In one aspect, a ce...

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Bibliographic Details
Main Author FARONIUS, Carola
Format Patent
LanguageEnglish
Published 16.08.2018
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Selecting a downlink control information (DCI) format used for transmitting a DCI message in a subframe. The subframe may be used to carry, for instance, voice communication data to support a voice over LTE (VoLTE) application or to otherwise provide downlink (DL) voice coverage. In one aspect, a certain downlink DCI format is selected (e.g., DCI format 1A) when there is a high path loss and/or interfernce scenario, and/or the packet has data with a high priority (e.g., low QCI value). This technique may lead to less dropped calls due to RTP timeout, and may improve perception and mean opinion score (MOS) of VoLTE quality.
Bibliography:Application Number: US201615512648