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1.发明授权公开(公告)号：US11693109B2
公开(公告)日：2023-07-04
申请号：US15929366
申请日：2020-04-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Zheda Li , Boon Loong Ng
IPC: G01S13/76 , H04L12/18 , H04W64/00 , H04W48/16 , H04W8/00 , H04L43/0864 , H04W4/02 , H04W40/24 , H04J3/06 , H04W4/14
CPC classification number: G01S13/765 , G01S13/762 , H04L12/1868 , H04L43/0864 , H04W4/023 , H04W8/00 , H04W40/246 , H04W48/16 , H04W64/00 , H04J3/0682 , H04W4/14
Abstract: A method and apparatus a first network entity in a wireless communication system supporting ranging capability is provided. The method and apparatus comprises: identifying, in a ranging block, one or more ranging rounds to transmit a ranging control message (RCM) with a multiple message receipt confirmation request (MMRCR) for a transmission of at least one first message comprising at least one of a set of ranging messages or a set of ranging ancillary data messages; transmitting, to a second network entity, the RCM with the MMRCR; transmitting, to the second network entity, ranging ancillary data in at least one ranging round of one or more ranging rounds following the RCM, wherein the ranging ancillary data is associated with the MMRCR; and receiving, from the second network entity, a ranging multiple message receipt confirmation (RMMRC) corresponding to the transmission of the at least one first message.
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公开(公告)号：US11357042B2
公开(公告)日：2022-06-07
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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3.发明申请公开(公告)号：US20200374783A1
公开(公告)日：2020-11-26
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：US20200351811A1
公开(公告)日：2020-11-05
申请号：US15929362
申请日：2020-04-28
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：US20200284897A1
公开(公告)日：2020-09-10
申请号：US16810664
申请日：2020-03-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Aditya V. Padaki , Zheda Li , Boon Loong Ng
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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Patent Agency Ranking
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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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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8.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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