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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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公开(公告)号：US20200287959A1
公开(公告)日：2020-09-10
申请号：US16810627
申请日：2020-03-05
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 supporting ranging capability is provided, the method and apparatus comprises: generating a medium access control (MAC) common part sublayer-data request (MCPS-DATA.request) primitive including a ranging enable indicator and a ranging request measurement and control IE (RRMC IE) with a reply-time request; transmitting, to a second network entity, a first MAC Data including the RRMC IE; receiving, from the second network entity, a second MAC Data including a ranging reply time instantaneous IE (RRTI IE), and the RRMC IE; and identifying a local value of a receive ranging counter (RxRangingCounter).
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公开(公告)号：US20200225341A1
公开(公告)日：2020-07-16
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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Patent Agency Ranking
16.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：US11546013B2
公开(公告)日：2023-01-03
申请号：US16874032
申请日：2020-05-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Mingyu Lee , Kangjin Yoon , Seongah Jeong , Aditya Vinod Padaki , Zheda Li
IPC: H04B1/00 , H04B1/7163 , H04W74/08 , H04W88/06 , H04L12/413
Abstract: Provided are an electronic device that performs ranging by using an ultra wide-band (UWB) communication scheme and an operation method of the electronic device. The operation method of the first electronic device includes transmitting a first ranging control message (RCM) comprising interval information to a second electronic device, determining a first time to transmit a second RCM based on the interval information, determining a first RCM timing window (RTW) based on the first time, transmitting the second RCM to the second electronic device in the first RTW, and transmitting a third RCM at a second time in a second RTW, based on a failure to receive a response message corresponding to the second RCM within a specific time period in the first RTW, wherein the second time is a random time point in the second RTW.
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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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19.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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