Qualcomm Incorporated

Qualcomm Innovation Center, Inc.

Vaibhav Kumar

Alok Mitra

Shailesh Maheshwari

Sitaramanjaneyulu Kanamarlapudi

Uppinder Singh Babbar

Vanitha Aravamudhan Kumar

Srinivas Reddy Mudireddy

Arnaud Meylan

Hariharan Sukumar

Arunn Coimbatore Krishnamurthy

Suli Zhao

Vamsi Dokku

Vinod Harimohan Kaushik

Neven Klacar

Muralidhar Coimbatore Krishnamoorthy

Roshan Thomas Pius

Andrei Danaila

Srinivasan Balasubramanian

Sivaramakrishna Veerepalli

Gavin Bernard Horn

Aziz Gholmieh

Ajith Tom Payyappilly

Ralph Akram Gholmieh

Yu-Ting Yu

Sanjay Vishin

Feilu Liu

Yue Yang

Susheel Kumar Yadav Yadagiri

Haim Snapy

Siddharth Chitnis

Dan Gilboa Waizman

Arvind Vardarajan Santhanam

Reza Shahidi

Ashok Mantravadi

Amir Aminzadeh Gohari

Thomas Klingenbrunn

Bao Vinh Nguyen

Mohit Kishore Prasad

Gang Xiao

Satashu Goel

Daisuke Terasawa

Gurvinder Singh Chhabra

Arun Prasanth Balasubramanian

Priyangshu Ghosh

Mahbod Ghelichi

Mathias Kohlenz

Umang Sureshbhai Patel

Mark A Landguth

Erez Tsidon

Joseph Giacalone

Ravi Balasubramanian

Sandeep Urgaonkar

Rashmi Char

Shian-De Ju

Ajay Venkatsuresh

Robert Coleman

Varun Tutpetkeshavamurthy

Sujit Nair

Iain Finlay

Sunil Kandukuri

Rushil Gholap

Nehal Somani

Narender Mannem

Mohammed Ali

Sirin Nitinawarat

Gautam Sheoran

Mohammed M Rumi

Bojun Pan

Harimohan Kaushik Vinod

Aspects disclosed in the detailed description include power saving techniques in computing devices. In particular, as data is received by a modem processor in a computing device, the data is held until the expiration of a modem timer. The data is then passed to an application processor in the computing device over a peripheral component interconnect express (PCIe) interconnectivity bus. On receipt of the data from the modem processor, the application processor sends data held by the application processor to the modem processor over the PCIe interconnectivity bus. The application processor also has an uplink timer. If no data is received from the modem processor before expiration of the uplink timer, the application processor sends any collected data to the modem processor at expiration of the uplink timer. However, if data is received from the modem processor, the uplink timer is reset.

Power saving techniques in computing devices

This disclosure provides a method, apparatus, and computer-readable medium for wireless communication at a modem, comprising receiving, via an interface with a host, an internet protocol (IP) packet including a first transport protocol header and a first IP header. The IP packet has a size greater than a maximum transport unit (MTU) size allowable for each packet transmitted over a communication link. The modem segments the IP packet into a plurality of segments based on a segment size indicated by a segmentation policy. Each segment includes a respective derived segment transport protocol header and a respective derived segment IP header derived from the IP packet. Each of these derived headers includes at least one field based on the segmentation policy, and each of the segment transport protocol headers includes a checksum for the respective segment. Additionally, the modem transmits the plurality of segments over the communication link.

Uplink segmentation offload to modem

Systems, methods, and devices for wireless communication that support mechanisms for identifying hyper frame number (HFN) desynchronization conditions and/or for triggering HFN resynchronization in a wireless communication system. In aspects, an HFN desynchronization condition is identified based on Ethernet frame validation. For example, aspects of the present disclosure provide mechanisms for validating and Ethernet frame. An HFN desynchronization condition is identified or detected when an Ethernet frame is determined to be corrupt based on the Ethernet frame validation in accordance with aspects herein. In some aspects, such as in Ethernet header compression (EHC) protocol implementations, an HFN desynchronization condition may be identified based on a determination that a deciphered context identification (CID) is not a valid CID (e.g., is not a CID in a set of valid CIDs).

Ethernet protocol data unit (PDU) session—hyper frame number (HFN) resync

Methods, systems, and devices for wireless communications are described in which a host processor at a user equipment (UE) may packetize data for uplink transmissions from the UE and provide packets to a wireless modem of the UE for uplink transmission. The host processor may provide multiplexing and aggregation headers for the packets that include a prioritization indication, and the wireless modem may order the data packets for transmission based at least in part on the prioritization indication. In some cases, a priority for each packet is indicated in a priority field of a corresponding multiplexing and aggregation header. The wireless modem may transmit the data packets based on the ordering, to provide higher priority packets ahead of lower priority packets to a receiver. Additionally, data packets may be further ordered based on tuple information associated with the data packets.

Host driven modem uplink packet prioritization

Certain aspects of the present disclosure provide techniques for implementing reflective quality of service (RQoS) in wireless communication systems. A method for implementing RQoS that may be performed by a user equipment (UE) generally includes receiving a plurality of downlink user data packets from a first base station (BS), determining at least one reflective quality of service (RQoS) mapping rule for one or more uplink packet transmissions based on a subset of the plurality of downlink user data packets, filtering the plurality of downlink user data packets based on the at least one RQoS mapping rule, and forwarding the plurality of downlink user data packets to a corresponding application entity of the UE based on the filtering.

Techniques for improving reflective quality of service

Certain aspects of the present disclosure provide techniques for uplink transport protocol acknowledgment shaping and downlink data shaping at a user equipment. A method that may be performed by the UE generally includes determining an allowed number of transport protocol acknowledgments to transmit in a transmission time interval (TTI); and transmitting one or more transport protocol acknowledgments in the TTI based, at least in part, on the determined allowed number of transport protocol acknowledgments. Another method that may be performed by the UE generally includes determining an allowed number of downlink data units to transmit in a TTI; and transmitting one or more data units in the TTI based, at least in part, on the determined allowed number of data units.

Uplink transport protocol acknowledgment shaping and downlink data shaping at a user equipment

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive downlink data that is associated with triggering a feedback message; transmit, before receiving the feedback message for the downlink data at a component of the user equipment, a scheduling request to request an allocation of a set of resources for transmitting the feedback message; and transmit the feedback message in connection with the set of resources. Numerous other aspects are provided.

Low-latency scheduling request configuration

Various aspects of the present disclosure generally relate to wired and/or wireless communication. In some aspects, a device may receive a plurality of data packets at a modem of the device. The device may group, at the modem of the device, payloads of a first subset of the plurality of data packets into a container. The device may transfer, to a processor of the device and using the modem, the container via a first interface channel. The device may transfer, to the processor and using the modem, a second subset of the plurality of data packets via a second interface channel. Numerous other aspects are provided.

Transmission control protocol (TCP) and/or user datagram protocol (UDP) receive offloading

Aspects of the present disclosure describe transmitting data in wireless communications. A set of packets for transmission in a defined sequence can be received where the set of packets includes two or more packets. It can be detected that a packet, of the set of packets, is a prioritized packet type. The packet can be prioritized for transmission ahead of its order in the defined sequence based on the detection of the prioritized packet type. The packet can be transmitted ahead of its order in the defined sequence to an access point.

Prioritizing packets in wireless communications

Systems, methods, and devices of the various embodiments provide for multipath transport of Internet Protocol (IP) packets by a computing device including a plurality of modems. In various embodiments, IP packets may be assigned to a selected one of a plurality of modems for transport based on available bandwidths of each of the plurality of modems.

Preferred path network scheduling in multi-modem setup

A method for reordering data by an electronic device is described, including receiving a first set of data packets via a first radio access technology (RAT). The method also includes receiving a second set of data packets via a second RAT. The first and second sets of data packets are from a data stream. The method further includes providing at least a portion of the first set of data packets or of the second set of data packets to an application processor. The method additionally includes buffering, in application processor memory, the at least the portion of the first set of data packets or the at least the portion of the second set of data packets. The method also includes reordering the at least the portion of the first set of data packets or the at least the portion of the second set of data packets.

Systems and methods for reordering data received from a plurality of radio access technologies (RATs)

Systems, methods, and devices of the various embodiments provide for multipath transport of Internet Protocol (IP) packets by an in-vehicle computing device, such as a vehicle's autonomous driving system, vehicle's telematics unit, vehicle's control system, etc. In various embodiments, IP packets may be extended to include tracking information. In various embodiments, the tracking information may include sequence numbers, sender reports, receiver reports, version indications, and/or length indications. In various embodiments, IP packets may be extended to include tracking information by a centralized scheduler for an in-vehicle computing device including a plurality of modems and/or a destination computing device.

IP level multipath protocol

Growing community of inventors

Encinitas, CA, United States of America

Vaibhav Kumar