Qualcomm Incorporated

Prasad Reddy Kadiri

Umesh Phuyal

Alberto Rico Alvarino

Le Liu

Kazuki Takeda

Ayan Sengupta

Peter S Gaal

Xiaoxia Zhang

Wanshi Chen

Xipeng Zhu

Masato Kitazoe

Bharat Shrestha

Tao Luo

Sitaramanjaneyulu Kanamarlapudi

Gavin Bernard Horn

Mostafa Khoshnevisan

Miguel Griot

Mungal Singh Dhanda

Karthika Paladugu

Ozcan Ozturk

Juan Montojo

Jing X Sun

Amer Catovic

Arnaud Meylan

Haris Zisimopoulos

Linhai He

Aziz Gholmieh

Arvind Vardarajan Santhanam

Wooseok Nam

Peng Cheng

Leena Zacharias

Lenaig Genevieve Chaponniere

Supratik Bhattacharjee

Huilin Xu

Xiao Feng Wang

Prashanth Haridas Hande

Sebastian Speicher

Srinivasan Balasubramanian

Liangping Ma

Keiichi Kubota

Luis Fernando Brisson Lopes

Vishal Dalmiya

Vaishakh Rao

Chintan Shirish Shah

Hung Dinh Ly

Huichun Liu

Arash Mirbagheri

Shankar Krishnan

Deepak Krishnamoorthi

Neelakanta Venkata Seshachalam Chimmapudi

Ashwin Madhur Comandur

Sony Akkarakaran

Peter Pui Lok Ang

Hong Cheng

Kuo-Chun Lee

Stefano M Faccin

Shailesh Maheshwari

Min Wang

Liangchi Hsu

Nikolai Konrad Leung

Punyaslok Purkayastha

Charles Nung Lo

Dan Zhang

Changhwan Park

Rajeev Kumar

Bao Vinh Nguyen

Francesco Pica

Peng Wu

Gang Xiao

Jae Ho Ryu

Raghavendra Shyam Ananda

Srikanth Menon

Saket Bathwal

Tae Min Kim

Arun Prasanth Balasubramanian

Murali Paravath Menon

Vinay Paradkar

Ashwini Raina

Vijayvaradharaj Tirucherai Muralidharan

Can Zhao

Ammar Kitabi

Raghuveer Ramakrishna Srinivas Tarimala

Pavan Kaivaram

Rudhir Varna Upretee

Dario Serafino Tonesi

Ahmed Zaki

Toru Uchino

Mohan Krishna Gowda

Praveen Maruthoormana Purushothaman

Ravinder Kumar

Kamalakar Ganti

Thiagarajan Sivanadyan

Meric Emre Uzunoglu

Yuyi Li

Nirmal Shekar

Ching Ho Weng

Sapna Chittoor Brahmanandam

Wireless communication systems and methods related to Radio Link Control (RLC) status reporting are provided. A wireless communication device receives one or more radio link control (RLC) packet data units (PDUs) of a sequence of RLC PDUs. The wireless communication device determines missing RLC data PDUs in the sequence of RLC PDUs based on the received one or more RLC PDUs. The wireless communication device receives a first uplink (UL) grant. The wireless communication device transmits a first RLC status report including an indication of a first subset of the missing RLC PDUs less than all the missing RLC PDUs, the indication of the first subset of missing PDUs being based on a size of the first UL grant. The wireless communication device modifies a RLC status prohibit timer based on the transmitted first RLC status report indicating less than all the missing RLC PDUs.

Radio link control (RLC) status reporting

A receiving device re-establishing a packet data convergence protocol (PDCP) entity. The receiving device resets a robust header compression (ROHC) context. The receiving device receives packet retransmissions having header compression based on the ROHC. The receiving device performs decompression of the packet retransmissions. The receiving device discards duplicate packets after performing the decompression of the packet retransmissions.

Robust header compression handling during packet data convergence protocol re-establishment

This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communication. In one aspect of the disclosure, a user equipment (UE) is configured to manage a state variable (associated with a radio link control (RLC) entity or a packet data convergence protocol (PDCP) entity) that enables the UE to maintain synchronization with a base station during a communication session. For example, a base station may transmit, to the UE, a control PDU or a synchronization PDU that includes a value of a state variable maintained by a base station to enable the UE to update its state variable to maintain synchronization with the base station. Other aspects and features are also claimed and described.

Management of one or more state variables associated with a communication window

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability information indicating a capability of the UE to receive multicast communications while operating in an inactive state. The UE may receive, from a first cell, configuration information that indicates a common frequency resource (CFR) associated with receiving multicast communications from the first cell while operating in the inactive state. The UE may receive, from the first cell, multicast mobility information associated with receiving multicast communications from one or more neighboring cells while operating in the inactive state. The UE may receive, while operating in the inactive state, one or more multicast communications from at least one of the first cell or a second cell based at least in part on at least one of the configuration information or the multicast mobility information. Numerous other aspects are provided.

Configuration of multicast reception and mobility for user equipment in an inactive state

A base-station (BS) receiving a random access request from user equipment (a UE), followed by a connection request. The connection request contains UE identity information which may have one of multiple formats depending on whether the access request and/or the connection request indicate that the UE is operating as a bandwidth-limited (BL) UE, an enhanced coverage (CE) UE, or a UE that operates in neither the BL mode nor the CE mode. In the BL mode, the UE may transmit a truncated identifier that is sufficient for the BS to retrieve capability information for the UE prior to transmitting a resource grant to the UE. The BS may then configure the UE and BS to using a radio configuration optimized for the UE's capabilities and transmit the resource grant in accordance with the optimized configuration.

Truncated identification indicators for early user equipment (UE) capability retrieval

A method for wireless communication at a user equipment (UE) includes receiving, from a base station, multicast data via a multicast channel. The method also includes transmitting, to the base station, multicast feedback based on receiving the multicast data. In some examples, the multicast feedback is associated with a group of UEs including the UE. The method further includes receiving, from the base station, a re-transmission of the multicast data on the multicast channel or a unicast channel based on one or more of a number of UEs served by the base station, a number of UEs from the group of UEs providing the multicast feedback, or a radio channel condition.

Multicast radio bearer (MRB) with radio link control (RLC) re-transmission

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a group discontinuous reception (DRX) configuration. The UE may receive, based on the group DRX configuration, a notification communication indicative of group handover information associated with a group of UEs that includes the UE. The UE may perform, based on the group handover information, a group handover operation between a source cell and a target cell. Numerous other aspects are described.

Group handover configurations

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, control signaling that indicates one or more parameters pertaining to reception of paging early indications (PEIs). The UE may receive a PEI from the base station in accordance with the one or more parameters. The UE may determine, based on the PEI, whether the UE is scheduled to receive a multicast paging message from the base station in a subsequent paging occasion (PO). If the UE is scheduled to receive a multicast paging message, the UE may monitor for the multicast paging message in the subsequent PO. Otherwise, the UE may enter a low-power state during the subsequent PO, which may result in greater power savings at the UE. Aspects of the present disclosure may provide for improved multicast paging operations between the UE and the base station.

Paging early indication for multicast group notification

In a communication between a user equipment (UE) and a network node, the UE may receive a grant of uplink (UL) shared channel (SCH) resources from the network node. Each of the UL SCH resources may be associated with one of a plurality of hybrid automatic repeat request (HARQ) processes. Each HARQ process may be at least one of a plurality of HARQ process types, and each HARQ process type may be based on HARQ feedback status and HARQ retransmission status. The UE may transmit a control message on one or more UL SCH resources in response to the one or more UL SCH resources being determined to be usable based on the HARQ process type of the HARQ processes associated with the one or more of the UL SCH resources.

Hybrid automatic repeat request feedback in network

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment concurrently communicates with a source base station (BS) and a target BS on a connection with the source BS and a connection with the target BS as part of a make-before-break (MBB) handover procedure; and performs a common packet data convergence protocol (PDCP) function for the connection with the source BS and the connection with the target BS before the connection with the source BS is released as part of the MBB handover procedure. Numerous other aspects are provided.

Enhanced make-before-break handover

Aspects described herein relate to communicating with one or more cells for receiving a multicast and/or broadcast service (MBS), and providing MBS continuity in device mobility scenarios. In an aspect, one or more cells for reselection from a current cell can be detected, where the current cell supports a UE interested MBS. The one or more cells can be evaluated for reselection based at least in part on whether the one or more cells support the UE interested MBS to determine a target cell for reselection. Cell reselection can be performed to the target cell.

Techniques for maintaining multicast and/or broadcast service wireless communications

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a message indicating that the UE is to execute a make-before-break handover procedure. The UE may transmit, during the make-before-break handover procedure and based at least in part on a prioritization rule, a first uplink communication to a target base station. The prioritization rule may indicate a relative priority for different uplink communications included in a group of uplink communications. The group of uplink communications may include at least the first uplink communication to be transmitted by the UE to the target base station and a second uplink communication to be transmitted by the UE to a source base station during the make-before-break handover procedure. Numerous other aspects are described.

Time-division multiplexing of uplink communications during make-before-break handover

Aspects described herein relate to communicating with one or more cells for receiving a broadcast service, and providing broadcast service continuity in device mobility scenarios. In some aspects, a user equipment (UE) can transmit a broadcast service interest indication to a serving cell to facilitate receiving the broadcast service during mobility to provide the broadcast service continuity.

Apparatus and methods for maintaining broadcast service wireless communications

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration that indicates a duration of a dormancy timer for switching from an active bandwidth part to a dormant bandwidth part configured for the UE; start or restart the dormancy timer based at least in part on a determination that a condition is satisfied; and switch to the dormant bandwidth part based at least in part on a determination that the dormancy timer has expired. Numerous other aspects are provided.

Using a dormancy timer for switching to a dormant bandwidth part

Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may support both unicast and multicast downlink signaling, such as on a single component carrier (CC). A UE may receive a unicast message over a first CC during a transmission time interval (TTI) using a first set of processing resources. The UE may simultaneously receive a multicast message over the first CC during the same TTI using a second set of processing resources. The first and second sets of processing resources may be associated with first and second hybrid automatic repeat request (HARM) soft buffers, first and second CCs, or first and second transmit/receive points (TRPs).

Processing for multicast operation using multiple sets of processing resources

Growing community of inventors

San Diego, CA, United States of America

Prasad Reddy Kadiri