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公开(公告)号：US12174287B2
公开(公告)日：2024-12-24
申请号：US17421580
申请日：2019-12-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mingyu Lee , Aditya Vinod Padaki , Zheda Li , Seongah Jeong
Abstract: Provided is a method for stably and flexibly performing ranging between a plurality of devices. According to an embodiment, a method of operating a first device for performing ranging by using ultra-wide band (UWB) may include: transmitting a first ranging control (RC) frame to a second device; performing ranging with the second device for a number of ranging rounds determined based on the first RC frame; changing at least one ranging parameter based on a change request received from the second device; and transmitting a second RC frame including the changed at least one ranging parameter.
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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：US11632697B2
公开(公告)日：2023-04-18
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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Patent Agency Ranking
公开(公告)号：US11448751B2
公开(公告)日：2022-09-20
申请号：US16698695
申请日：2019-11-27
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: for a single-sided two-way ranging (SS-TWR), identifying a ranging round (RR) including a ranging initiation phase (RIP) for a set of transmit apparatuses including the transmit apparatus and a ranging response phase (RRP) for a set of receive apparatuses, wherein the RIP and the RRP comprise at least one slot; transmitting, to the set of receive apparatuses, a ranging initiation message in the RIP; and receiving, from one or more of the set of receive apparatuses, a ranging response message including information requested by the transmit apparatus in the RRP.
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7.发明授权公开(公告)号：US11202248B2
公开(公告)日：2021-12-14
申请号：US15929666
申请日：2020-05-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Zheda Li , Boon Loong Ng
Abstract: A method and apparatus of a network entity in a wireless communication system supporting ranging capability is provided. The method and apparatus comprises: identifying a MAC sublayer management entity-receive-enable request (MLME-RX-ENABLE.request) primitive including a list of ranging scheduling time unit (RSTU) counter (RxOnTime) values and a number of RSTUs (RxOnDuration), wherein the MLME-RX-ENABLE.request primitive is sent to a MAC layer from a higher layer; in response to identifying the MLME-RX-ENABLE.request primitive, identifying a value of a MAC RSTU_COUNTER; determining whether the value of the MAC RSTU_COUNTER is set to an RxOnTime value included in the list of the RxOnTime values of the MLME-RX-ENABLE.request primitive; increasing the value of the MAC RSTU_COUNTER; determining whether a frame is received from another network entity based on the value of the MAC RSTU_COUNTER; and in response to determining that the frame is received, generating a MAC common part sublayer indication (MCPS-DATA.indication) primitive.
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公开(公告)号：US10908274B2
公开(公告)日：2021-02-02
申请号：US16737675
申请日：2020-01-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Zheda Li , Aditya V. Padaki , Seongah Jeong , Mingyu Lee , Boon Loong Ng
Abstract: A transmit apparatus and a method of the transmit apparatus in a wireless communication system supporting ranging capability are provided. The transmit apparatus and the method comprise: identifying whether a medium access control (MAC) common part sublayer (CPS) data request (MCPS-DATA.request) primitive received from a higher layer of the transmit apparatus includes a ranging configuration information element (IE) or a ranging IE; transmitting, to a receive apparatus, a ranging control message (RCM) in response to the MCPS-DATA.request primitive including the ranging configuration IE; transmitting, to the receive apparatus, a ranging initiation message (RIM) in response to the MCPS-DATA.request primitive including the ranging IE; receiving, from the receive apparatus, MAC data including a ranging message non-receipt information element (RMNR IE) that indicates a reception failure of the RIM; and identifying the RMNR IE via an MCPS-DATA.indication primitive.
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公开(公告)号：US20200154473A1
公开(公告)日：2020-05-14
申请号：US16677473
申请日：2019-11-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Zheda Li , Boon Loong Ng
Abstract: A method of transmit apparatus in a wireless communication system supporting ranging capability is provided. The method comprises determining a beacon interval including a ranging management period and a ranging period, wherein the beacon interval is a variable interval, generating a beacon signal including information for a number of channel access slots corresponding to a ranging contention access period (RCAP) and a ranging contention free period (RCFP), transmitting, to a receive apparatus, the beacon signal at the determined beacon interval, and transmitting, to the receive apparatus, at least one channel access slot in the ranging management period.
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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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