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公开(公告)号：US20240305970A1
公开(公告)日：2024-09-12
申请号：US18595086
申请日：2024-03-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Peshal Nayak , Boon Loong Ng , Rubayet Shafin , Vishnu Vardhan Ratnam , Yue Qi , Elliot Jen
Abstract: Methods and apparatuses for enhancing a scan phase for efficient mobility handling. A method of wireless communication performed by a non-access point (AP) multi-link device (MLD) (non-AP MLD) that includes stations (STAs) comprises: forming a link with a corresponding AP of an AP MLD, wherein the AP MLD comprises a plurality of APs that form a logical AP MLD; initiating a scan phase procedure over the link between the non-AP MLD and the corresponding AP to request information about the APs that form the logical AP MLD; and receiving a response from the corresponding AP based on the scan phase procedure, the response including information related to roaming received by the corresponding AP from other APs of the logical AP MLD.
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公开(公告)号：US12069579B2
公开(公告)日：2024-08-20
申请号：US18332636
申请日：2023-06-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Peshal Nayak , Ahmed Atef Ibrahim Ibrahim , Vishnu Vardhan Ratnam
CPC classification number: H04W52/0258 , H04W76/15
Abstract: Embodiments of the present disclosure provide methods and apparatuses for facilitating restricted target wake time (TWT) operation in a wireless local area network. The apparatuses include a non-access point (AP) multi-link device (MLD) comprising a plurality of stations (STAs) and a processor. Each STA comprises a transceiver configured for broadcast TWT operation on multi-link operation (MLO) links with corresponding APs of an AP MLD. The processor is operably coupled to the transceivers, and configured to negotiate a broadcast TWT schedule over a first link between a first STA and a first AP of the AP MLD, apply the broadcast TWT schedule to the group of links, negotiate a restricted TWT schedule with the AP MLD over at least one link of the group of links, and establish the restricted TWT schedule on one or more links of the at least one link.
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13.发明授权公开(公告)号：US12035167B2
公开(公告)日：2024-07-09
申请号：US17676622
申请日：2022-02-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Peshal Nayak , Rubayet Shafin , Boon Loong Ng , Wenxun Qiu
CPC classification number: H04W28/0268 , H04L69/22 , H04W52/0216 , H04W80/02
Abstract: Embodiments of the present disclosure provide methods and apparatuses for requesting traffic characteristics in a wireless network. The apparatuses include a wireless station (STA) device comprising a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to transmit and receive signals. The processor is configured to generate a traffic profile request element that comprises an indication of a request for an access point (AP) to provide, to the STA, traffic characteristics, as observed at the AP, of downlink (DL) traffic between the AP and the STA. The transceiver is further configured to transmit to the AP the traffic profile request element. The requested traffic characteristics are used to determine target wake time (TWT) parameters for a TWT operation between the AP and the STA.
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公开(公告)号：US20240147361A1
公开(公告)日：2024-05-02
申请号：US18474161
申请日：2023-09-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
CPC classification number: H04W52/0216 , H04W48/08
Abstract: Methods and apparatuses for facilitating requests for information on restricted target wake time (TWT) schedules in a wireless local area network. A wireless station (STA) device comprises a processor and a transceiver. The processor is operably coupled to the transceiver and configured to generate a first message that includes a request for information on existing broadcast TWT schedules in a basic service set (BSS). The transceiver is configured to transmit the first message to an associated access point (AP) in the BSS.
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公开(公告)号：US20240049355A1
公开(公告)日：2024-02-08
申请号：US18361675
申请日：2023-07-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Peshal Nayak , Vishnu Vardhan Ratnam , Rubayet Shafin , Boon Loong Ng
Abstract: Methods and apparatuses for an operation parameter update for emergency preparedness communication services (EPCS) operation are disclosed. A method for wireless communication performed by an access point (AP) multi-link device (MLD) that includes APs, the method comprising: forming a link with a corresponding station (STA) of a non-AP MLD; transmitting information associated with emergency preparedness communication services (EPCS) operation parameters to the corresponding STA; determining whether the EPCS operation parameters transmitted to the corresponding STA need to be updated; when the EPCS operation parameters transmitted to the corresponding STA do not need to be updated, continuing with current EPCS operation parameters; and when the EPCS operation parameters transmitted to the corresponding STA need to be updated, determining a procedure for updating the EPCS operation parameters.
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Patent Agency Ranking
公开(公告)号：US20240007904A1
公开(公告)日：2024-01-04
申请号：US18340775
申请日：2023-06-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Vishnu Vardhan Ratnam , Rubayet Shafin , Boon Loong Ng , Peshal Nayak
IPC: H04W28/08 , H04W72/1273
CPC classification number: H04W28/0992 , H04W28/0958 , H04W72/1273
Abstract: A wireless communication network includes an access point (AP) multi-link device (MLD) and a non-AP MLD. An AP of the AP MLD indicates to a STA of a non-AP MLD, which is involved in active frame exchanges, whether there is pending buffered traffic for the non-AP MLD on another link, whether the AP MLD intends to recommend the non-AP MLD to use another link to fetch buffered traffic, and/or whether there is a critical update to the BSS on another link.
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公开(公告)号：US20230422316A1
公开(公告)日：2023-12-28
申请号：US18339161
申请日：2023-06-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Peshal Nayak , Rubayet Shafin , Boon Loong Ng , Vishnu Vardhan Ratnam
IPC: H04W74/08
CPC classification number: H04W74/085 , H04W74/0866
Abstract: Methods and apparatuses for non-simultaneous transmit/receive (NSTR) start time synchronization are disclosed. A method for wireless communication performed by a non-access point (AP) multi-link device (MLD) that comprises stations (STAs), the method comprising: forming links with corresponding APs of an AP MLD; detecting a non-simultaneous transmit and receive (NSTR) link pairs; detecting an attempt by a first STA of the NSTR link pairs to synchronize start times of physical layer protocol data units (PPDUs) with a second STA of the NSTR link pairs, wherein the first STA is configured to hold a backoff counter at a value of zero during a backoff hold time duration; determining the backoff hold time duration; and determining a number of time intervals that can fit into the backoff hold time duration.
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公开(公告)号：US20230371102A1
公开(公告)日：2023-11-16
申请号：US18315990
申请日：2023-05-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
Abstract: Methods and apparatuses for facilitating the use of enhanced multi-link multi-radio (EMLMR) operation for peer-to-peer (P2P) communications between multi-link devices (MLDs). A non-access point (AP) MLD comprises STAs, each comprising a transceiver configured to form a P2P link with a corresponding second STA of a second non-AP MLD, and a processor operably coupled to the first STAs. At least a subset of the P2P links are also EMLMR links configured to operate in an EMLMR mode of operation for P2P communication. The processor is configured to transition the first non-AP MLD into the EMLMR mode of operation for P2P communication over the P2P links. At least one of the first STAs is configured to participate in a P2P EMLMR frame exchange with the corresponding second STA of the second non-AP MLD over at least one of the P2P links.
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公开(公告)号：US20230328654A1
公开(公告)日：2023-10-12
申请号：US18332628
申请日：2023-06-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Peshal Nayak , Ahmed Atef Ibrahim Ibrahim , Vishnu Vardhan Ratnam
CPC classification number: H04W52/0258 , H04W76/15
Abstract: Embodiments of the present disclosure provide methods and apparatuses for facilitating restricted target wake time (TWT) operation in a wireless local area network. The apparatuses include a non-access point (AP) multi-link device (MLD) comprising a plurality of stations (STAs) and a processor. Each STA comprises a transceiver configured for broadcast TWT operation on multi-link operation (MLO) links with corresponding APs of an AP MLD. The processor is operably coupled to the transceivers, and configured to negotiate a broadcast TWT schedule over a first link between a first STA and a first AP of the AP MLD, apply the broadcast TWT schedule to the group of links, negotiate a restricted TWT schedule with the AP MLD over at least one link of the group of links, and establish the restricted TWT schedule on one or more links of the at least one link.
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公开(公告)号：US20230309167A1
公开(公告)日：2023-09-28
申请号：US18183102
申请日：2023-03-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
IPC: H04W76/15
CPC classification number: H04W76/15
Abstract: Methods and apparatuses for supporting link negotiation for enhanced multi-link multi-radio operation are provided. A method of wireless communication performed by a non-access point (AP) multi-link device (MLD) comprises: receiving, from an AP affiliated with an AP MLD, a first enhanced multi-link operating mode notification (EML OMN) frame associated with a request to transition to an enhanced multi-link multi-radio (EMLMR) mode; and based on receipt of the first EML OMN frame, negotiating links for EMLMR operation between the AP MLD and the non-AP MLD before transitioning to the EMLMR mode.
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