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公开(公告)号：US20240015823A1
公开(公告)日：2024-01-11
申请号：US18342651
申请日：2023-06-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Vishnu Vardhan Ratnam , Peshal Nayak
Abstract: Methods and apparatuses for facilitating the discovery and setup of multiple peer-to-peer (P2P) direct links for P2P communications between peer multi-link devices (MLDs). A first non-access point (AP) MLD comprises first stations (STAs), each comprising a transceiver configured to form a link with a corresponding AP of an AP MLD, and a processor. The processor is configured to generate a first message that includes information indicating that one or more of the links are target links on which the first non-AP MLD intends to establish a P2P direct link with second STAs of a second non-AP MLD, wherein the second STAs are associated with the corresponding AP of the AP MLD on the target links. The transceiver of a first of the first STAs is further configured to transmit the first message to the corresponding AP of the AP MLD over the link.
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公开(公告)号：US20230422173A1
公开(公告)日：2023-12-28
申请号：US18339916
申请日：2023-06-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
CPC classification number: H04W52/0248 , H04W76/15 , H04W52/0258
Abstract: Methods and apparatuses for facilitating TWT operation between devices in a wireless local area network. A non-access point (AP) multi-link device (MLD) comprises a processor and stations (STAs), each comprising a transceiver configured to form links with APs affiliated with an AP MLD. A first of the transceivers is further configured to transmit to or receive from the AP MLD over a first of the links a multi-link operation (MLO)-supporting target wake time (TWT) Information frame that includes an indication to suspend or resume TWT service periods (SPs) on a second of the links. The processor is operably coupled to the transceivers and configured to, based on the TWT Information frame being transmitted or received successfully over the first link, suspend or resume the TWT SPs on the second link.
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公开(公告)号：US20230292238A1
公开(公告)日：2023-09-14
申请号：US18182204
申请日：2023-03-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Vishnu Vardhan Ratnam , Peshal Nayak
CPC classification number: H04W52/0216 , H04W74/04
Abstract: Methods and apparatuses for facilitating restricted TWT operation between multi-link devices (MLDs) across multiple links under non-simultaneous transmit/receive (NSTR) constraints. A non-access point (AP) MLD comprises a processor and stations (STAs), each comprising a transceiver configured to form links with APs of an AP MLD. First and second links form an NSTR link pair subject to NSTR constraints. First and second target wake time (TWT) schedules that have first and second TWT service periods (SPs), respectively, and associated first and second sets of traffic identifiers (TIDs), respectively, are established on the first and second links, respectively. The first and second TWT SPs have an overlapping portion. The processor is configured to determine, based on characteristics of the sets of TIDs, scheduling for traffic on the first and second links during the overlapping portion of the TWT SPs such that the NSTR constraints are not violated.
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公开(公告)号：US20230292225A1
公开(公告)日：2023-09-14
申请号：US18177110
申请日：2023-03-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Vishnu Vardhan Ratnam , Boon Loong Ng , Ahmed Atef Ibrahim Ibrahim , Peshal Nayak , Rubayet Shafin
CPC classification number: H04W48/14 , H04W28/0263 , H04W72/56 , H04W76/15
Abstract: Methods and apparatuses for supporting buffered group-addressed management frame indication are provided. A method of wireless communication performed by a non-access point (AP) multi-link device (MLD) comprises: receiving, from an AP of an AP MLD, a delivery traffic indication message (DTIM) beacon, the DTIM beacon comprising a traffic indication map (TIM) element; determining, based on the TIM element, whether group-addressed management frames are buffered at one or more other APs of the AP MLD; and prioritizing reception of one or more other DTIM beacons associated with the one or more other APs of the AP MLD based on whether the group-addressed management frames are buffered at the one or more other APs of the AP MLD.
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公开(公告)号：US20230284215A1
公开(公告)日：2023-09-07
申请号：US18177093
申请日：2023-03-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
IPC: H04W72/1268 , H04W72/21 , H04W72/0446
CPC classification number: H04W72/1268 , H04W72/21 , H04W72/0446 , H04W84/12
Abstract: Methods and apparatuses for triggering of uplink (UL) transmissions based on traffic identifiers (TIDs) in a wireless local area network. A station (STA) comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive, from an access point (AP), a trigger frame that includes an indication that the trigger frame is configured for TID-based triggering of UL transmissions. The processor is configured to identify, based on receipt of the trigger frame, at least one TID for which UL transmission is triggered, determine whether UL traffic corresponding to the at least one TID is ready for transmission, and generate, based on the UL traffic being ready for transmission, a UL physical protocol data unit (PPDU) from the UL traffic. The transceiver is further configured to transmit, to the AP, the UL PPDU.
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Patent Agency Ranking
公开(公告)号：US20230231656A1
公开(公告)日：2023-07-20
申请号：US18148946
申请日：2022-12-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ahmed Atef Ibrahim Ibrahim , Boon Loong Ng , Vishnu Vardhan Ratnam , Rubayet Shafin , Junsu Choi
IPC: H04L1/1607 , H04L1/18 , H04W74/08
CPC classification number: H04L1/1614 , H04L1/18 , H04W74/0808 , H04W84/12
Abstract: Methods and apparatuses for facilitating, in multi-link devices (MLDs) that are capable of exchanging an Aggregated MAC Protocol Data Unit (A-MPDU), simultaneous transmission of the A-MPDU and retransmission of failed MPDUs of the A-MPDU. A non-access point (AP) MLD comprises STAs, each comprising a transceiver configured to form a link with a corresponding AP of an AP MLD, and a processor. A first transceiver is configured to receive, from the AP MLD on a first of the links, an A-MPDU comprised of multiple MPDUs. the processor is configured to detect, during reception of the A-MPDU, that at least one of the MPDUs has not been received. A second transceiver is configured to transmit, to the AP MLD on a second of the links, a request to retransmit the at least one MPDU on the second link before reception of the A-MPDU on the first link is complete.
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公开(公告)号：US20230115377A1
公开(公告)日：2023-04-13
申请号：US18052815
申请日：2022-11-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Peshal Nayak , Ahmed Atef Ibrahim Ibrahim , Vishnu Vardhan Ratnam
IPC: H04W52/02
Abstract: Methods and apparatuses for enhancing advertisement of restricted target wake time (TWT) schedules by access points (APs) and improving selection of restricted TWT schedules by stations (STAs) in a wireless local area network. A wireless STA apparatus comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive, from an AP, a restricted TWT advertisement that includes a restricted TWT schedule and additional information about the restricted TWT schedule. The processor is configured to determine, based on the additional information, whether to refrain from requesting to become a member of the restricted TWT schedule.
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公开(公告)号：US20230007540A1
公开(公告)日：2023-01-05
申请号：US17809262
申请日：2022-06-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Peshal Nayak , Boon Loong Ng , Rubayet Shafin
Abstract: Methods and apparatuses for facilitating the use of stations (STAs) of a multi-link device (MLD) to set up and operate backhaul links to serve a Mobile access point (AP) within the same MLD in a wireless local area network. The apparatuses include an MLD comprising APs forming a Mobile AP MLD, backhaul STAs, and a processor operably coupled to the APs and the backhaul STAs. The processor is configured to instruct at least one of the APs to set up an access link with a corresponding STA of a non-AP MLD, and to instruct at least one of the backhaul STAs to set up a backhaul link with a corresponding AP of an AP MLD to carry traffic of the non-AP MLD that flows through the Mobile AP MLD over the access link.
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公开(公告)号：US20220408355A1
公开(公告)日：2022-12-22
申请号：US17838096
申请日：2022-06-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng , Ahmed Atef Ibrahim Ibrahim
IPC: H04W52/02 , H04W24/08 , H04B17/336
Abstract: Methods and apparatuses for performing multi-access point (MAP) coordination. A method for an AP includes transmitting to a first STA during a TXOP in a first TWT SP based on parameters of a first TWT operation, and receiving, from the first STA, an interference notification message about interference caused by a second AP in the MAP coordinating set of APs. The method further includes transmitting, to the second AP, a MAP coordination announcement that includes an indication that the first AP has obtained the TXOP and the parameters of the first TWT operation. The method further includes receiving, from the second AP, a MAP coordination response that indicates capabilities of the second AP and determining, based on the MAP coordination response, whether to perform MAP coordination with the second AP during the TXOP or to modify the parameters of the first TWT operation based on the interference notification message.
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公开(公告)号：US20220272630A1
公开(公告)日：2022-08-25
申请号：US17676645
申请日：2022-02-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Rubayet Shafin , Boon Loong Ng
Abstract: Embodiments of the present disclosure provide methods and apparatuses for facilitating broadcast 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 transceiver and a processor operably coupled to the transceiver. The processor is configured to perform a multi-link (ML) setup operation with an AP MLD to set up links between the STAs affiliated with the non-AP MLD and corresponding APs affiliated with the AP MLD, negotiate a broadcast TWT agreement over a first link between a first STA and a first AP of the AP MLD, wherein the broadcast TWT agreement is for a shared TWT session including a group of the links, and after the broadcast TWT agreement is successfully negotiated, apply the broadcast TWT agreement to the group of links.
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