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公开(公告)号：US20210028894A1
公开(公告)日：2021-01-28
申请号：US17035133
申请日：2020-09-28
Applicant: QUALCOMM Incorporated
Inventor： Ozcan Ozturk , Arnaud Meylan
Abstract: Methods, systems, and devices for wireless communication are described. Semi-persistent scheduling (SPS) configurations that enable uplink transmissions during different transmission time intervals (TTIs) may be used. For example, a base station may configure SPS for a set of TTIs, where the configuration may include a periodicity between shortened TTIs (sTTIs) (e.g., two-symbol, three-symbol, seven-symbol TTIs, etc.) that may be used by a user equipment (UE) for uplink transmissions. The base station may signal the SPS configuration to the UE, and the UE may then identify locations of TTIs for use in SPS transmissions. For instance, the UE may identify the location of a set of sTTIs that are designated for SPS and that occur at a certain periodicity indicated by the configuration. Upon identifying the TTI locations, the UE may transmit uplink data during one or more of the identified TTIs in accordance with the periodicity.
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公开(公告)号：US20200344718A1
公开(公告)日：2020-10-29
申请号：US16857051
申请日：2020-04-23
Applicant: QUALCOMM Incorporated
Inventor： Ozcan Ozturk , Xiaoxia Zhang , Andrei Dragos Radulescu , Jing Sun
Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for determining a time to stop monitoring a wireless channel for paging information. In some examples, a user equipment (UE) may identify a plurality of paging occasions associated with a wireless channel (e.g., of an unlicensed radio frequency spectrum band) and monitor the wireless channel for paging information from a base station during a first paging occasion of the plurality of paging occasions. The UE may determine a channel occupancy status of the base station with respect to the wireless channel and may determine a time to stop monitoring the wireless channel for paging information. The UE may ignore a remainder of the plurality of paging occasions based on the determined time to stop monitoring the wireless channel.
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公开(公告)号：US20200314710A1
公开(公告)日：2020-10-01
申请号：US16803809
申请日：2020-02-27
Applicant: QUALCOMM Incorporated
Inventor： Karthika Paladugu , Ozcan Ozturk , Prasad Reddy Kadiri , Arvind Vardarajan Santhanam , Gavin Bernard Horn
Abstract: Methods, systems, and devices for wireless communications are described. Aspects include a UE communicating, with a first base station while in a connected state with a first cell served by the first base station, information associated with a configuration for the connected state via a signaling radio bearer and application via a data radio bearer. The UE may receive, while in the connected state with the first cell, a handover command from the first base station indicating a handover to a second cell served by a second base station. Aspects may include the UE initiating a connection procedure with the second cell while the connected state with the first cell. The UE may suspend the signal radio bearer and maintain the data radio bearer during the connection procedure with the second cell.
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公开(公告)号：US20200267721A1
公开(公告)日：2020-08-20
申请号：US16789282
申请日：2020-02-12
Applicant: QUALCOMM Incorporated
Inventor： Karthik Venkatram , Daniel Amerga , Ozcan Ozturk
Abstract: Methods, systems, and devices for wireless communication are described. For example, the described techniques provide for efficiently requesting all (or a threshold number of) system information (SI) messages that are on demand in a random access channel (RACH) procedure. In one example, a user equipment (UE) may transmit a request for all (or a threshold number of) SI messages in a radio resource control (RRC) connection request or message 3 RACH transmission even if the UE is configured with the option to request SI messages individually with one RACH resource per SI message. In another example, a UE may transmit a request for all (or a threshold number of) SI messages on an additional resource (e.g., RACH resource or other resource configured by a base station) when the UE is configured with the option to request SI messages individually with one RACH resource per SI message.
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公开(公告)号：US20200252967A1
公开(公告)日：2020-08-06
申请号：US16752484
申请日：2020-01-24
Applicant: QUALCOMM Incorporated
Inventor： Ozcan Ozturk , Xiaoxia Zhang , Tao Luo , Muhammad Nazmul Islam , Jing Sun , Sony Akkarakaran
IPC: H04W74/08 , H04W56/00 , H04L1/00 , H04L5/00 , H04W24/10 , H04B17/318 , H04B17/336 , H04W68/00 , H04W80/02 , H04W76/27
Abstract: Methods, systems, and devices for wireless communications are described. Examples may include receiving, at a user equipment (UE) a random access channel (RACH) configuration message from a base station, where the message indicates a channel metric (e.g., received signal strength indicator (RSSI), reference signal received power (RSRP), reference signal received quality (RSRQ), a signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), or the like) and a threshold associated with the channel metric. The, UE may measure a reference signal (e.g., synchronization signal block (SSB), channel state information reference signal (CSI-RS), or the like) and select a RACH procedure based on comparing the measured channel metric to the threshold. For example, the UE may select a two-step RACH procedure if the measured channel metric satisfies the threshold specified in the configuration. In some cases, the UE may select a RACH procedure or a listen-before-talk (LBT) procedure based on a QoS parameter.
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Patent Agency Ranking
公开(公告)号：US10736056B2
公开(公告)日：2020-08-04
申请号：US16175052
申请日：2018-10-30
Applicant: QUALCOMM Incorporated
Inventor： Ozcan Ozturk , Seyedkianoush Hosseini , Alberto Rico Alvarino
Abstract: Certain aspects of the present disclosure relate to methods and apparatus for PHR reporting by UEs that support both normal and shortened Transmission Time Interval (sTTI) configurations.
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公开(公告)号：US20200236554A1
公开(公告)日：2020-07-23
申请号：US16743927
申请日：2020-01-15
Applicant: QUALCOMM Incorporated
Inventor： Soo Bum Lee , Ozcan Ozturk , Gavin Bernard Horn , Adrian Edward Escott , Anand Palanigounder
Abstract: Methods, systems, and devices for wireless communications are described. In some systems, devices may use information protection to detect fake base stations. A base station verified by a network may transmit first information to a user equipment (UE) in an unprotected message. If a fake base station intercepts and modifies the message before relaying the message to the UE, the UE may receive different information than the transmitted first information. The UE may then transmit an indication of the received information to the verified base station in a protected message. In some cases, based on the indication, the verified base station may re-transmit the first information to the UE in a message protected against modification by the fake base station. If the UE determines that the initially received information is different from the information received in the protected retransmission, the UE identifies message modification by the fake base station.
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公开(公告)号：US20200221530A1
公开(公告)日：2020-07-09
申请号：US16732217
申请日：2019-12-31
Applicant: QUALCOMM Incorporated
Inventor： Heechoon Lee , Hung Dinh Ly , Tingfang Ji , Gavin Bernard Horn , Karthika Paladugu , Ozcan Ozturk
Abstract: Techniques are described herein for signaling procedures that use a hierarchical mobility, which may be applied when a user equipment (UE) is operating in a radio resource control (RRC) inactive state or the RRC idle state. A wireless communication system may be configured with a plurality of areas in which one or more networks are established for communicating certain types of signals. Examples of the areas associated with networks may include a tracking area (TA), a radio access network area code (RAN-AC), a radio access network based notification area (RNA). A synchronization signal or a paging signal may be transmitted using a first set of communication resources in a first area, while the synchronization signal or the paging signal may be transmitted using a second set of communication resources in a second area different than the first set of communication resources.
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公开(公告)号：US10531427B2
公开(公告)日：2020-01-07
申请号：US14962468
申请日：2015-12-08
Applicant: QUALCOMM Incorporated
Inventor： Ozcan Ozturk , Jun Wang , Madhavan Srinivasan Vajapeyam , Ravindra Manohar Patwardhan
Abstract: Certain aspects relate to methods and apparatus for wireless communications, comprising determining to use a reduced paging cycle to page a user equipment (UE) of a first type that supports the reduced paging cycle, the reduced paging cycle having a shorter period relative to a paging cycle used with UEs of a second type which do not support the reduced paging cycle, and paging the UE of the first type in accordance with the reduced paging cycle. Certain aspects relate to methods and apparatus for conveying system information by a base station, comprising broadcasting a first system information common to each cell of a group of cells in an area and broadcasting a second system information that can vary between cells in the group of cells, wherein the second system information is broadcast more frequently than the first system information.
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公开(公告)号：US10462713B2
公开(公告)日：2019-10-29
申请号：US14866546
申请日：2015-09-25
Applicant: QUALCOMM Incorporated
Inventor： Aleksandar Damnjanovic , Durga Prasad Malladi , Madhavan Srinivasan Vajapeyam , Ozcan Ozturk , Onkar Jayant Dabeer , Wanshi Chen , Hao Xu
Abstract: Techniques for handover procedure management are described herein. An example method may include monitoring, at a target base station, reference signal information associated with a UE based on a reference signal configuration of the UE received by the target base station from a source base station. Additionally, the example method may include estimating, at the target base station, timing information for the UE based on the reference signal information. Further, the example method may include transmitting, by the target base station, the timing information to the source base station, where the source base station provides the timing information to the UE for handover to the target base station.
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