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公开(公告)号：US11536798B2
公开(公告)日：2022-12-27
申请号：US16719759
申请日：2019-12-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Aditya V. Padaki , Boon Loong Ng
Abstract: A method and transmit/receive apparatus in a wireless communication system supporting ranging capability are provided. The method and the transmit/receive apparatus comprises: identifying ranging apparatuses; identifying a ranging control message (RCM) including a ranging device management information element (RDM IE) and roles of the ranging apparatuses, the RDM IE including a content field, wherein the ranging apparatuses include the transmit apparatus and at least one receive apparatus; and transmitting, to the ranging apparatuses over a broadcast channel, the RCM including the RDM IE in a ranging round (RR).
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公开(公告)号：US11516674B2
公开(公告)日：2022-11-29
申请号：US16724015
申请日：2019-12-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Aditya V. Padaki , Boon Loong Ng
Abstract: A method of a transmit apparatus in a wireless communication system supporting ranging capability is provided. The method comprises: determining at least one receive apparatus of a group of receive apparatuses participating in a ranging operation; identifying a scrambled timestamp sequence (STS) physical layer protocol data unit (PPDU) format 3 (SP3) ranging request reports information element (SRRR IE) for the at least one receive apparatus of the group of receive apparatuses; and transmitting, to the at least one receive apparatus of the group of receive apparatuses participating in the ranging operation, a ranging control message (RCM) including the SRRR IE using an in-band mechanism or an out-of-band mechanism, wherein the RCM including the SRRR IE is transmitted in a time-scheduled ranging operation.
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公开(公告)号：US20220167218A1
公开(公告)日：2022-05-26
申请号：US17456862
申请日：2021-11-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Seongah Jeong , Aditya V. Padaki , Mingyu Lee , Boon Loong Ng
IPC: H04W36/00
Abstract: A method and apparatus of a first network entity in a wireless communication system supporting a ranging channel operation is provided. The method and apparatus comprises: identifying, at a higher layer, a RCPCS IE to indicate a sub-band to be selected for the ranging channel operation, wherein the RCPCS IE includes a CCI of a CCI timer; generating, at the higher layer, a MCPS-DATA.request primitive including the RCPCS IE, wherein the MCPS-DATA.request primitive is transmitted to a MAC layer; in response to receiving, at the MAC layer, the MCPS-DATA.request primitive from the higher layer, generate data including the RCPCS IE; transmitting, to a second network entity, the data including the RCPCS IE, wherein the RCPCS IE includes a CRCT that is configured as a duration for maintaining the sub-band; and receiving an acknowledgement corresponding to the data including the RCPCS IE.
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公开(公告)号：US11343646B2
公开(公告)日：2022-05-24
申请号：US16998929
申请日：2020-08-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Boon Loong Ng , Chiranjib Saha , Raghunandan M. Rao , Yi Yang , Moonseok Kang
Abstract: An electronic device and a method of the electronic device for performing localization in a wireless communication system are provided. The electronic device and method comprise: receiving, from a plurality of anchor nodes, signals for the localization; performing ranging measurements of the signals based on a range and an angle of arrival (AoA) of the signals; determining whether at least one of the plurality of anchor nodes is not detected based on the ranging measurements; determining, based on a determination that the at least one anchor node is not detected based on the ranging measurements, whether at least one other anchor node in the plurality of anchor nodes is located on a line of sight (LOS) from the electronic device, wherein the LOS is determined based on the AoA of the signals; and performing the localization based on the at least one other anchor node.
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公开(公告)号：US11343064B2
公开(公告)日：2022-05-24
申请号：US16401050
申请日：2019-05-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Jianhua Mo , Boon Loong Ng , Jianzhong Zhang
Abstract: A method of a second node for a co-existence operation in a wireless communication system is provided. The method comprises transmitting, to a first node, a first extended schedule element (ESE) frame including a time-division multiplexing service period (TDD-SP) bit, receiving, from the first node, a preamble or a second ESE frame including a short device co-existence (SRD Co-Ex) indicator that is set to one based on the TDD-SP bit, and changing a transmit-receive slot pattern based on the received preamble or SRD Co-Ex indicator for the co-existence operation.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20190342065A1
公开(公告)日：2019-11-07
申请号：US16401050
申请日：2019-05-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Jianhua Mo , Boon Loong Ng , Jianzhong Zhang
Abstract: A method of a second node for a co-existence operation in a wireless communication system is provided. The method comprises transmitting, to a first node, a first extended schedule element (ESE) frame including a time-division multiplexing service period (TDD-SP) bit, receiving, from the first node, a preamble or a second ESE frame including a short device co-existence (SRD Co-Ex) indicator that is set to one based on the TDD-SP bit, and changing a transmit-receive slot pattern based on the received preamble or SRD Co-Ex indicator for the co-existence operation.
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公开(公告)号：US11703585B2
公开(公告)日：2023-07-18
申请号：US16810664
申请日：2020-03-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Zheda Li , Boon Loong Ng
CPC classification number: G01S13/765 , G01S11/08 , H04W84/18
Abstract: A method and apparatus of a first network entity in a wireless communication system supporting ranging capability is provided. The method comprises: identifying, in a ranging block, one or more ranging rounds to transmit a ranging control message (RCM) and ranging ancillary data; generating the RCM including an advanced ranging control information element (ARC IE) that includes a ranging method field, wherein the ranging method field includes a value that indicates whether a ranging round following the RCM is used for ranging ancillary information exchange; transmitting, to a second network entity, the ranging ancillary data in the ranging round following the RCM when the value included in the ranging method field corresponds to ranging ancillary information exchange; and receiving, from the second network entity, an acknowledgement (ACK) corresponding to the ranging ancillary data.
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公开(公告)号：US20230180176A1
公开(公告)日：2023-06-08
申请号：US18161771
申请日：2023-01-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Aditya V. Padaki , Boon Loong Ng
Abstract: A method and apparatus of a first network entity in a wireless communication system is provide. The method and apparatus comprises: identifying at least one set of bit strings to generate a ranging scrambled timestamp sequence (STS); identifying at least one initialization vector (IV) field corresponding to the at least one set of bit strings, wherein the at least one IV field comprises a 4-octet string; generating a ranging STS key and IV information element (RSKI IE) that includes the at least one IV field to convey and align a seed that is used to generate the ranging STS; and transmitting, to a second network entity, the generated RSKI IE for updating the ranging STS of the second network entity.
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公开(公告)号：US11190990B2
公开(公告)日：2021-11-30
申请号：US15929365
申请日：2020-04-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Seongah Jeong , Aditya V. Padaki , Mingyu Lee , Boon Loong Ng
IPC: H04W36/00
Abstract: A method and apparatus of a first network entity in a wireless communication system supporting a ranging channel operation is provided. The method and apparatus comprises: identifying, at a higher layer, a RCPCS IE to indicate a sub-band to be selected for the ranging channel operation, wherein the RCPCS IE includes a CCI of a CCI timer; generating, at the higher layer, a MCPS-DATA.request primitive including the RCPCS IE, wherein the MCPS-DATA.request primitive is transmitted to a MAC layer; in response to receiving, at the MAC layer, the MCPS-DATA.request primitive from the higher layer, generate data including the RCPCS IE; transmitting, to a second network entity, the data including the RCPCS IE, wherein the RCPCS IE includes a CRCT that is configured as a duration for maintaining the sub-band; and receiving an acknowledgement corresponding to the data including the RCPCS IE.
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公开(公告)号：US11178591B2
公开(公告)日：2021-11-16
申请号：US16737771
申请日：2020-01-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Aditya V. Padaki , Boon Loong Ng
IPC: H04W40/24 , H04W84/18 , H04W48/16 , H04L1/16 , H04L5/00 , H04W64/00 , H04L29/08 , H04L29/12 , H04W84/12 , H04W8/00
Abstract: A network entity and a method of the network entity in a wireless communication system supporting ranging capability are provided. The network entity and the method comprise: identifying, by a higher layer of the network entity, a ranging reply time node list (RrtiNodeList) indicating a list of neighbor network entities for which ranging reply time instantaneous information elements (RRTI IEs) are requested along with receive ranging counter values; generating, by the higher layer of the network entity, a MCPS-DATA.request primitive including the RrtiNodeList; transmitting, to a MAC layer of the network entity, the generated MCPS-DATA.request primitive; and transmitting, to another network entity in the list of neighboring network entities, MAC data including ranging information, the RRTI, and ranging measurement information IEs (RMI IEs), wherein the MAC layer of the network entity is further configured to transmit, to the higher layer of the network entity, an MCPS-DATA.confirm primitive.
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