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公开(公告)号：US20200244428A1
公开(公告)日：2020-07-30
申请号：US16258419
申请日：2019-01-25
发明人： Vijayvaradharaj Tirucherai Muralidharan , Neha Gupta , Gowrisankar Somichetty , Shashidhar Vummintala
摘要： Methods, systems, and devices for wireless communications are described. The method includes monitoring a set of master information block broadcasts from a base station to obtain a first set of samples associated with a first prior target transmission time interval (TTI) and a second set of samples associated with a current TTI, identifying a payload change in the master information block broadcasts between the first set of one or more prior TTIs and the current TTI based on a comparison between the first set of samples and the second set of samples, modifying the first set of samples based on the identified payload change, and decoding a master information block based on a combination of the modified first set of samples and the second set of samples. Other aspects, embodiments, and features are also claimed and described.
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公开(公告)号：US10708031B1
公开(公告)日：2020-07-07
申请号：US16258419
申请日：2019-01-25
发明人： Vijayvaradharaj Tirucherai Muralidharan , Neha Gupta , Gowrisankar Somichetty , Shashidhar Vummintala
摘要： Methods, systems, and devices for wireless communications are described. The method includes monitoring a set of master information block broadcasts from a base station to obtain a first set of samples associated with a first prior target transmission time interval (TTI) and a second set of samples associated with a current TTI, identifying a payload change in the master information block broadcasts between the first set of one or more prior TTIs and the current TTI based on a comparison between the first set of samples and the second set of samples, modifying the first set of samples based on the identified payload change, and decoding a master information block based on a combination of the modified first set of samples and the second set of samples. Other aspects, embodiments, and features are also claimed and described.
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公开(公告)号：US10560294B2
公开(公告)日：2020-02-11
申请号：US15899058
申请日：2018-02-19
发明人： Vijayvaradharaj Tirucherai Muralidharan , Shashidhar Vummintala , Gowrisankar Somichetty , Arvind Sridharan
摘要： Techniques and apparatus for transmission and reception with partial allocation in orthogonal frequency division multiple access (OFDMA)/single-carrier frequency division multiple access (SC-FDMA) systems are provided. One technique includes determining first parameter(s) to apply to transmission/receive processing of a signal, based in part on a resource allocation for the signal. The resource allocation is partitioned out of a larger system bandwidth. Second parameter(s) to apply to the transmission/receive processing are determined based at least in part on the first parameter(s). Transmission/receive processing of the signal is performed in accordance with the first and second parameters.
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公开(公告)号：US10542538B2
公开(公告)日：2020-01-21
申请号：US15724068
申请日：2017-10-03
发明人： Gowrisankar Somichetty , Kapil Bhattad , Alberto Rico Alvarino , Xiao feng Wang , Manikandan Chandrasekar
摘要： A method, computer-readable medium, and apparatus are provided. The apparatus may determine a first set of subframes in the narrowband TDD frame structure used for transmitting a downlink control channel to a UE. In one aspect, a last subframe in the first set of subframes may be subframe n. Further, the apparatus may determine a second set of subframes in the narrowband TDD frame structure used for transmitting a downlink data channel to the UE. In certain aspects, a first subframe in the second set of subframes may be delayed based on k0 number of subframes after the subframe n. In certain other aspects, a last subframe in the second set of subframes may be subframe n+k0+x. Additionally, the apparatus may signal first information associated with the k0 number of subframes to the UE in a first delay field in a DCI transmission.
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公开(公告)号：US11659523B2
公开(公告)日：2023-05-23
申请号：US16987064
申请日：2020-08-06
发明人： Pravjyot Singh Deogun , Kapil Bhattad , Jing Sun , Mostafa Khoshnevisan , Xiaoxia Zhang , Ahmed Zaki , Gowrisankar Somichetty
IPC分类号： H04W72/04 , H04W72/14 , H04L1/18 , H04L1/1812
CPC分类号： H04W72/04 , H04L1/1812 , H04W72/14
摘要： Wireless communications systems and methods related to bandwidth part (BWP) switching after data communication are provided. A user equipment (UE) receives, from a base station (BS) in a first bandwidth part (BWP), one or more data bursts and BWP switching information. The UE switches from the first BWP to a second BWP based on the BWP switching information after receiving the one or more data bursts. The UE communicates, with the BS, a communication in the second BWP after the switching.
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公开(公告)号：US20220417774A1
公开(公告)日：2022-12-29
申请号：US17898125
申请日：2022-08-29
发明人： Kapil Bhattad , Alberto Rico Alvarino , Gowrisankar Somichetty , Shashidhar Vummintala , Hao Xu
摘要： Methods, systems, and devices for wireless communication are described. A user equipment (UE) may monitor a first control channel in a first frequency band. The UE may determine that a bandwidth capability of the UE supports communicating on the first frequency band and at least a second frequency band. The UE may perform a channel measurement procedure on the first frequency band and the second frequency band concurrently. The UE may transmit a channel feedback message including information associated with the channel measurement procedure.
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公开(公告)号：US11431394B2
公开(公告)日：2022-08-30
申请号：US16476593
申请日：2018-01-19
发明人： Kapil Bhattad , Alberto Rico Alvarino , Gowrisankar Somichetty , Shashidhar Vummintala , Hao Xu
摘要： Methods, systems, and devices for wireless communication are described. A user equipment (UE) may monitor a first control channel in a first frequency band. The UE may determine that a bandwidth capability of the UE supports communicating on the first frequency band and at least a second frequency band. The UE may perform a channel measurement procedure on the first frequency band and the second frequency band concurrently. The UE may transmit a channel feedback message including information associated with the channel measurement procedure.
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公开(公告)号：US20210337492A1
公开(公告)日：2021-10-28
申请号：US17370377
申请日：2021-07-08
发明人： Ayan Sengupta , Alberto Rico Alvarino , Le Liu , Gowrisankar Somichetty , Xiao Feng Wang , Wanshi Chen
摘要： A resynchronization signal (RSS) may extend across multiple physical resource blocks (PRBs) or subframes, which may cause the RRS to be scheduled to overlap with other downlink transmissions. Methods, systems, and devices for wireless communications are described for management of RSS and one or more other transmission types that may have overlapping wireless resources with the RSS. If one or more other downlink transmissions are scheduled for resources that overlap with resources scheduled for an RSS transmission, the UE may receive the RSS transmission or the one or more other downlink transmissions, or a combination thereof, based on a prioritization of the transmission types of the one or more other downlink transmissions relative to RSS. The RSS transmission or the one or more other transmissions may be delayed, dropped, punctured, or rate-matched when the RSS transmission and the one or more other downlink transmissions conflict.
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公开(公告)号：US10958337B2
公开(公告)日：2021-03-23
申请号：US15707003
申请日：2017-09-18
发明人： Arvind Sridharan , Kapil Bhattad , Manikandan Chandrasekar , Gowrisankar Somichetty , Alberto Rico Alvarino , Xiao feng Wang
IPC分类号： H04B7/26 , H04J3/06 , H04L5/14 , H04L5/02 , H04L5/00 , H04W4/70 , H04L1/08 , H04L5/24 , H04W72/04 , H04L1/04 , H04W56/00
摘要： There is a need to support narrowband TDD frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more narrowband TDD frame structure(s) for narrowband communications. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a narrowband communication frame structure comprising a FDD mode or a TDD mode and a particular TDD frame structure for narrowband communications from a group of narrowband TDD frame structures. The apparatus may determine a periodicity, subframe number, and transmission sequence associated with a SSS based at least in part on the narrowband TDD frame structure. The apparatus may transmit the SSS using the narrowband TDD frame structure determined for the narrowband communications. In one aspect, the SSS may be transmitted in a same subframe within a frame and at a periodicity of 2 or more frames.
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公开(公告)号：US10560220B2
公开(公告)日：2020-02-11
申请号：US15980084
申请日：2018-05-15
发明人： Vijayvaradharaj Tirucherai Muralidharan , Gowrisankar Somichetty , Shashidhar Vummintala , Kapil Bhattad , Dominique Francois Bressanelli
摘要： Aspects of the disclosure relate to techniques for mitigating the decoding errors observed at the receiver as a result of puncturing symbols between consecutive subframes having the same transmission direction. To reduce the decoding errors, a plurality of transmission options, each including a number of resource blocks and a modulation and coding scheme (MCS), may be identified. In addition, each transmission option may be associated with one or more puncturing patterns that hinder decoding of a codeword at the receiver. The base station or user equipment (UE) may then select or modify at least one aspect of a scheduling decision involving the communication of the codeword in a given subframe of at least two consecutive subframes to minimize decoding errors. For example, a selected puncturing pattern or a transport block size associated with a selected transmission option may be modified.
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