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公开(公告)号：US12133126B2
公开(公告)日：2024-10-29
申请号：US17325848
申请日：2021-05-20
CPC分类号： H04W36/0077 , H04W36/302 , H04W36/0072 , H04W36/249
摘要： A method is provided where handover information about one or more target beams of a target cell is provided. The beam quality of those target beams is determined along with beam quality of one or more other beams of the target cell. Dedicated uplink resources associated with the target beams and shared uplink resources are associated with the other beams. It is determined based on the beam quality which of the target and other beams is to be used to initiate a connection to the target cell.
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公开(公告)号：US12075290B2
公开(公告)日：2024-08-27
申请号：US17611376
申请日：2020-05-12
CPC分类号： H04W36/0058 , H04W36/00837 , H04W36/08 , H04W76/30
摘要： A method, apparatus, and a computer-readable storage medium are provided for proactive triggering of handovers in wireless communication networks. In one example implementation, the method may include receiving, by a user equipment (UE), handover configuration information from a first network node of a plurality of network nodes, estimating rate of change values of reference signal (RS) difference measurements, a reference signal (RS) difference measurement being a difference in reference signal (RS) measurements between the first network node and a second network node of one or more second network nodes, comparing the rate of change values with the mapping information received from the first network node, determining one or more timeToPreTrigger values based on the comparison, initiating one or more timeToPreTrigger timers based on the corresponding one or more timeToPreTrigger values, the one or more timeToPreTrigger timers corresponding to different second network nodes, generating one or more measurement reports upon expiration of the one or more timeToPreTrigger timers, and transmitting the one or more measurement reports to the first network node. In an another example implementation, the method may include transmitting, by a first network node of a plurality of network nodes, handover configuration information to a user equipment (UE), receiving a measurement report from the user equipment (UE), the measurement report corresponding to at least one second network node of the one or more second network nodes, selecting, based on the measurement report, a second network node of the one or more second network nodes for performing a handover, and transmitting an indication to the user equipment (UE) about performing the handover to the selected second network node based on the indication.
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公开(公告)号：US12035175B2
公开(公告)日：2024-07-09
申请号：US18108901
申请日：2023-02-13
IPC分类号： G06F15/16 , H04L67/10 , H04N21/472 , H04N21/61 , H04W28/18 , H04W48/14 , H04L65/612 , H04M3/487 , H04W72/20
CPC分类号： H04W28/18 , H04L67/10 , H04N21/47202 , H04N21/6106 , H04W48/14 , H04L65/612 , H04M3/487 , H04W72/20
摘要： According to an example implementation, a method may include transmitting, by a user device to a base station in a wireless network, a system information request for on-demand system information during a random access procedure, where the system information request is a request for one or more parameters that enable the user device to communicate in the wireless network, receiving, by the user device from the base station, an indication of a wait period in which the user device waits before obtaining the on-demand system information, waiting, by the user device, a time duration during the wait period, and monitoring, by the user device after expiration of the wait period, a system information window in which a system information message having the on-demand system information is broadcasted by the base station.
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公开(公告)号：US11864242B2
公开(公告)日：2024-01-02
申请号：US17634145
申请日：2019-08-14
CPC分类号： H04W74/0841 , H04W56/001 , H04W74/04 , H04W74/0866
摘要： An example embodiment relates to Random Access Channel, RACH, procedure, for example in the New Radio, NR. Random access procedures may be of two types, contention based CBRA and contention free, CFRA. A client device may only perform CBRA fallback when none of the reference signal received strengths, RSRPs, of the synchronization signal blocks, SSBs, which is associated with the CFRA resources is above a predefined threshold, T1. All SSBs and CSI-RS with associated CFRA resources may be below the threshold. Then, the client device may select an SSB or CSI-RS according to a predefined rule and perform CFRA when CFRA resources are associated. Devices, methods and computer programs are disclosed accordingly.
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公开(公告)号：US20230336233A1
公开(公告)日：2023-10-19
申请号：US18336753
申请日：2023-06-16
摘要： There are provided measures for enabling/realizing higher-layer beam management, e.g., beam failure detection or beam candidate detection in a higher layer such as a MAC entity. Such measures exemplarily comprise that a beam management timer is started when a (first) beam management instance indication from a lower layer is obtained, beam management is executed, wherein a beam management instance counter is incremented whenever a beam management instance indication from the lower layer is obtained and a beam management event is detected when the beam management instance counter reaches a beam management instance threshold before expiry of the beam management timer, and the beam management instance counter is reset upon expiry of the beam management timer.
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公开(公告)号：US11683082B2
公开(公告)日：2023-06-20
申请号：US16962544
申请日：2018-11-09
摘要： There are provided measures for enabling/realizing enabling/realizing beam failure detection with different indication intervals, e.g. beam failure detection in a higher layer such as a MAC entity of a user equipment element or base station element. Such measures exemplarily comprise that a beam failure detection procedure is performed on the basis of beam failure instance indications from a lower layer using abeam failure detection timer, and application of the beam failure detection timer in the beam failure detection procedure is controlled in view of indication intervals which are applicable for the beam failure instance indications from the lower layer in the beam failure detection procedure.
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公开(公告)号：US11382138B2
公开(公告)日：2022-07-05
申请号：US16838672
申请日：2020-04-02
发明人： Samuli Heikki Turtinen , Chunli Wu
IPC分类号： H04W74/08 , H04B17/318 , H04W72/04 , H04W74/02
摘要： Embodiments of the present disclosure relate to random access in a communication system. A first device receives a criterion to select a random access type for performing random access to a second device. The first device further determines whether the first device is allocated a contention-free random access resource for a certain random access type, and then performs the random access to the second device based on the determination and conditionally based on the criterion. As such, in the case where contention-free random access resource has been allocated for a certain random access type, the device can conditionally apply the criterion for selection of the random access type and can thus perform random access with improved efficiency.
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公开(公告)号：US11259306B2
公开(公告)日：2022-02-22
申请号：US16960612
申请日：2019-01-11
发明人： Timo Koskela , Samuli Heikki Turtinen , Jorma Johannes Kaikkonen , Sami-Jukka Hakola , Juha Pekka Karjalainen , Mihai Enescu
摘要： Methods, apparatuses, and computer program products where a user equipment in a wireless communications network determines a measure of signal quality for a restricted set of beam recovery candidates, compares the measure of signal quality of contention free random access candidates reference signal in the restricted set or a subset of contention free random access candidates to a signal quality based recovery threshold, and selects the at least one candidate signal with signal quality above that threshold from a candidate beam reference signal list; where the user equipment measures a reference signal received power for contention free random access candidate beam, selects candidates above a reference signal received power threshold, determines signal quality for the selected contention free random access candidates above that threshold, and selects one candidate in response to multiple contention free random access candidates being above that threshold or the one with highest measure of signal quality.
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公开(公告)号：US20200351031A1
公开(公告)日：2020-11-05
申请号：US16845576
申请日：2020-04-10
发明人： Chunli Wu , Claudio Rosa , Samuli Heikki Turtinen , Tao Tao
摘要： Apparatuses, methods and software for configured grant operation are provided. The first apparatus comprises at least one processor; and at least one memory including computer program codes; the at least one memory and the computer program codes are configured to, with the at least one processor, cause the device at least to transmit a transport block of a HARQ process on preconfigured resources for an uplink transmission to a second apparatus while starting a first timer and a second timer for the HARQ process, wherein the first timer indicates a time period during which the transport block is able to be retransmitted, and wherein the second timer is configured to expire before the first timer; monitor a response associated with the transport block from the second apparatus; and in response to the second timer expiring before receiving the response and before expiry of the first timer, retransmit the transport block while restarting the second timer.
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公开(公告)号：US20200077299A1
公开(公告)日：2020-03-05
申请号：US16610611
申请日：2018-05-04
摘要： Various communication systems may benefit from an enhanced radio link control status report. A method may include determining a negative acknowledgment sequence number range. The negative acknowledgment sequence number range may include a plurality of consecutive radio link control missing sequence numbers. The method may also include determining at least one of a en negative acknowledgment end sequence number when the plurality of consecutive radio link control missing sequence numbers exceeds the negative acknowledgment sequence number range. In addition, the method may include sending a radio link control status report comprising at least one of a negative acknowledgment sequence number, the negative acknowledgment sequence number range, or the negative acknowledgment end sequence number when the plurality of consecutive radio link control missing sequence numbers exceeds the at least one negative acknowledgment sequence number range.
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