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公开(公告)号：US11671930B2
公开(公告)日：2023-06-06
申请号：US16876954
申请日：2020-05-18
发明人： Ahmed Zaki , Vijayvaradharaj Tirucherai Muralidharan , Vinod Ramaswamy , Murali Menon , Nayeem Mohammad , Niranjana Bhatta , Vishu Kumar
CPC分类号： H04W56/0015 , H04W48/20 , H04W52/0225 , H04W76/28
摘要： Methods, systems, and apparatuses for wireless communication are disclosed. In one aspect, a user equipment (UE) determines to perform a synchronization procedure and receives at least one synchronization signal. The UE may generate a detection metric based at least in part on the at least one synchronization signal and compare the detection metric or detection metrics accumulated since determining to perform the synchronization procedure with a detection threshold. The detection threshold may be associated with the at least one synchronization signal utilized to determine whether the synchronization procedure can be terminated prior to receiving a predetermined number of synchronization signals. The UE may continue or terminate the synchronization procedure based at least in part on a result of the comparison.
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公开(公告)号：US20210051631A1
公开(公告)日：2021-02-18
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
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：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：US20210050975A1
公开(公告)日：2021-02-18
申请号：US16992846
申请日：2020-08-13
发明人： Alberto Rico Alvarino , Ahmed Zaki , Ayan Sengupta , Le Liu , Umesh Phuyal , Prasad Reddy Kadiri , Vijayvaradharaj Tirucherai Muralidharan , Ravinder Kumar , Murali Menon
摘要： Methods, systems, and devices for wireless communications are described to enable a base station to configure additional reference signals, which may be referred to as configured reference signals, to include in a transmission to a user equipment (UE). The UE may transmit a report to the base station, indicating a UE capability for supporting configured reference signals, and the base station may configure a pattern for the configured reference signals. The base station may transmit an indication of the pattern to the UE, where the indication may include one or more characteristics associated with the configured reference signals. The base station may transmit the configured reference signals to the UE according to the pattern, along with one or more baseline reference signals, within an associated transmission. The UE may use the configured reference signals and the baseline reference signals to receive a transmission from the base station.
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公开(公告)号：US11438115B2
公开(公告)日：2022-09-06
申请号：US16992846
申请日：2020-08-13
发明人： Alberto Rico Alvarino , Ahmed Zaki , Ayan Sengupta , Le Liu , Umesh Phuyal , Prasad Reddy Kadiri , Vijayvaradharaj Tirucherai Muralidharan , Ravinder Kumar , Murali Menon
摘要： Methods, systems, and devices for wireless communications are described to enable a base station to configure additional reference signals, which may be referred to as configured reference signals, to include in a transmission to a user equipment (UE). The UE may transmit a report to the base station, indicating a UE capability for supporting configured reference signals, and the base station may configure a pattern for the configured reference signals. The base station may transmit an indication of the pattern to the UE, where the indication may include one or more characteristics associated with the configured reference signals. The base station may transmit the configured reference signals to the UE according to the pattern, along with one or more baseline reference signals, within an associated transmission. The UE may use the configured reference signals and the baseline reference signals to receive a transmission from the base station.
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公开(公告)号：US11272496B2
公开(公告)日：2022-03-08
申请号：US16780358
申请日：2020-02-03
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may retune from a first narrowband carrier to a second narrowband carrier. The UE may determine to retune in one or more symbols of either a first narrowband subframe or a second narrowband subframe based on the number of symbols for the UE to retune and a number of other factors. The other factors may include the start symbol of a downlink channel scheduled in the second narrowband subframe, the number of antenna ports configured for the UE, hybrid automatic repeat request (HARQ) identifier (ID), coding rate or effective coding rate, among others. The UE may determine to retune in the first narrowband subframe, the second narrowband subframe, or in both subframes in order to utilize reference signals transmitted to the UE and reception of all downlink messages scheduled for the UE.
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公开(公告)号：US20210243730A1
公开(公告)日：2021-08-05
申请号：US16780358
申请日：2020-02-03
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may retune from a first narrowband carrier to a second narrowband carrier. The UE may determine to retune in one or more symbols of either a first narrowband subframe or a second narrowband subframe based on the number of symbols for the UE to retune and a number of other factors. The other factors may include the start symbol of a downlink channel scheduled in the second narrowband subframe, the number of antenna ports configured for the UE, hybrid automatic repeat request (HARQ) identifier (ID), coding rate or effective coding rate, among others. The UE may determine to retune in the first narrowband subframe, the second narrowband subframe, or in both subframes in order to utilize reference signals transmitted to the UE and reception of all downlink messages scheduled for the UE.
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公开(公告)号：US10959202B2
公开(公告)日：2021-03-23
申请号：US16415987
申请日：2019-05-17
摘要： Techniques performed by a User Equipment (UE) are provided for fast timing acquisition for Discontinuous Reception (DRX) cycles. The UE determines one or more System Frame Number (SFN) hypotheses. Each of the one or more SFN hypothesis can represent a possible SFN at which the UE can wake up from a sleep state of a Discontinuous Reception (DRX) cycle. For at least one of the one or more SFN hypotheses, the UE generates a detection metric based at least partially on a Physical Broadcast Channel (PBCH) sequence received from a base station, and determines, based on a value of the detection metric, whether the at least one SFN hypothesis represents a current SFN in accordance with a clock source used the base station for communicating with the UE. Other aspects, embodiments, and features are also claimed and described.
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公开(公告)号：US10560237B2
公开(公告)日：2020-02-11
申请号：US15961329
申请日：2018-04-24
摘要： The present disclosure provides reduced cell-specific reference signal (CRS) transmissions for evolved machine type communication (eMTC). In one aspect, a network entity may determine at least one narrow band for transmission of a CRS. The network entity may further identify one or more resource blocks proximate the at least one narrow band and transmit the CRS on the narrow band and the one or more proximate resource blocks to a UE. In another aspect, a UE may apply a receive window to filter one or more noise samples outside at least one narrow band allocation, the receive window corresponding to one or more resource blocks located outside the defined number of resource blocks of the at least one narrow band allocation. The UE may further receive the CRS within the at least one narrow band allocation from a network entity in response to applying the receive window.
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