Qualcomm Incorporated

Christian Sgraja

Christian Pietsch

Christoph A Joetten

Marc W Werner

Wolfgang Granzow

Pengjun Huang

Nikolai K N Leung

Stefan Brueck

Georg Frank

Nikolai Konrad Leung

Xiaoxia Zhang

Jing X Sun

Eugene Baik

Ethan Robert Duni

Peter Zillmann

Pierpaolo Vallese

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect whether a reference signal is present in a channel at a time instance at which the reference signal is expected. The UE may selectively gate processing of the reference signal based on detecting whether the reference signal is present in the channel. Numerous other aspects are described.

Detection of reference signals and gating of reference signal processing

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect that at least a portion of reference signaling expected in a channel is not present in the channel. The UE may modify a Doppler estimation computation associated with the reference signaling based at least in part on detecting that at least the portion of the reference signaling is not present in the channel. Numerous other aspects are described.

Modifying a doppler estimation computation for missing reference signaling

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configurations for a plurality of search space sets for a control resource set (CORESET), the plurality of search space sets including one or more of a first type of search space set configured with multiple frequency domain monitoring locations or a second type of search space set configured without multiple frequency domain monitoring locations. The UE may receive a physical downlink control channel communication based at least in part on monitoring the plurality of search space sets according to a determination that the CORESET is associated with search space sets of a same type. Numerous other aspects are described.

Control resource set for new radio

A system is provided for transmitting information through a speech codec (in-band) such as found in a wireless communication network. A modulator transforms the data into a spectrally noise-like signal based on the mapping of a shaped pulse to predetermined positions within a modulation frame, and the signal is efficiently encoded by a speech codec. A synchronization sequence provides modulation frame timing at the receiver and is detected based on analysis of a correlation peak pattern. A request/response protocol provides reliable transfer of data using message redundancy, retransmission, and/or robust modulation modes dependent on the communication channel conditions.

System and method of an in-band modem for data communications over digital wireless communication networks

Processing the synchronization of an inband modem to detect sample slip conditions is disclosed. Decision logic reliably detects the sample slip condition while minimizing the number of false alarms.

System and method for synchronization tracking in an in-band modem

Detecting an acknowledgment signal sent from a destination terminal at a source terminal in an in-band communication system is disclosed. A first synchronization sequence followed by a low layer acknowledgement message and a second synchronization sequence followed by a high layer acknowledgement message is detected.

System and method for supporting higher-layer protocol messaging in an in-band modem

Apparatus and method of obtaining non-speech data embedded in vocoder packet

Acknowledging a source terminal data message from a destination terminal in an in-band communication system is disclosed. A first synchronization sequence followed by a low layer acknowledgement message and a second synchronization sequence followed by a high layer acknowledgement message is transmitted.

A system and method is provided for obtaining a message type identifier embedded in a vocoder packet via a speech codec (in-band) such as found in a wireless communication network. The vocoder packet is received and decoded. The decoded vocoder packet is filtered until a synchronization signal is detected, with the filtering comprising correlating the decoded vocoder packet with a predetermined sequence to generate the synchronization signal. The polarity of the synchronization signal is determined, and the message type identifier is derived based on the polarity of the detected synchronization signal. A first polarity identifies a first message type, and a second polarity identifies a second message type.

System and method for obtaining a message type identifier through an in-band modem

A system and method is provided for sending a message type identifier through a speech codec (in-band) such as found in a wireless communication network. A first predetermined sequence with noise-like characteristics identifies a first message type. A second predetermined sequence with noise-like characteristics identifies a second message type.

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Lauf, Germany

Christian Sgraja