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1. 发明申请

US20190036642A1 APPARATUS AND METHOD FOR DIVERSITY TRANSMISSION IN A WIRELESS COMMUNICATIONS SYSTEM 审中-公开
公开(公告)号：US20190036642A1
公开(公告)日：2019-01-31
申请号：US16151049
申请日：2018-10-03
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , YOSHIO URABE , ROJAN CHITRAKAR
IPC分类号： H04L1/00 , H04B7/0413 , H04L1/06 , H04L27/26
摘要： An transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a non-legacy preamble and a data field, the non-legacy preamble comprising a first field for indicating a number of spatial streams (Nss) in the data field and a second field for indicating one of a plurality of modulation and coding schemes (MCSs), wherein two or more frequency diversity transmission schemes are supported and each of the two or more frequency diversity transmission schemes is specified based on a value of the Nss; and a transmitter which, in operation, transmits the generated transmission signal.

2. 发明申请

US20210337558A1 INTEGRATED CIRCUIT 有权
公开(公告)号：US20210337558A1
公开(公告)日：2021-10-28
申请号：US17365810
申请日：2021-07-01
申请人： Panasonic Intellectual Property Corporation of America
发明人： ROJAN CHITRAKAR , LEI HUANG , YOSHIO URABE
IPC分类号： H04W72/12 , H04L5/00 , H04W48/12 , H04W52/02 , H04W72/04
摘要： The present disclosure provides a transmission apparatus that comprises a first payload generator configured to generate payload of a packet of a first signal type; a second payload generator configured to generate payload of a packet of a second signal type; a packet scheduler that controls the transmission timings of the first and the second packet; and a transmitter which, in operation, transmits, under the timing control of the packet scheduler, the packet of the first signal type followed by the packet of the second signal type.

3. 发明申请

US20200322105A1 TRANSMISSION APPRATUS AND TRANSMISSION METHOD 审中-公开
公开(公告)号：US20200322105A1
公开(公告)日：2020-10-08
申请号：US16304030
申请日：2017-07-04
申请人： Panasonic Intellectual Property Corporation of America
发明人： ROJAN CHITRAKAR , LEI HUANG , YOSHIO URABE
IPC分类号： H04L5/00 , H04B7/0452 , H04L1/18
摘要： A transmission apparatus of the present disclosure comprises a transmitter that transmits a Trigger Frame for allocating resources for Uplink Multi User (UL MU) transmission, the Trigger Frame comprising a common information field that includes a type subfield indicating one of a plurality of trigger types, wherein the plurality of trigger types includes a first trigger type indicating a basic trigger used for soliciting any type of response frame from a recipient terminal station a second trigger type indicating a specific trigger used for soliciting a specific type of UL MU response frame from a plurality of terminal stations; and a receiver that receives the specific type of UL MU response frame from the plurality of terminal stations when the type subfield indicates the second trigger type.

4. 发明申请

US20200245137A1 COMMUNICATION APPARATUS AND METHOD FOR SECURE LOW POWER TRANSMISSION 审中-公开
公开(公告)号：US20200245137A1
公开(公告)日：2020-07-30
申请号：US16614821
申请日：2018-04-19
申请人： PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
发明人： ROJAN CHITRAKAR , LEI HUANG , YOSHIO URABE
IPC分类号： H04W12/00 , H04W52/02 , H04W12/10 , H04W12/04
摘要： The present disclosure provides a communication apparatus comprising a cryptographic circuitry which, in operation, uses a shared cryptographic secret Key and a cryptographic salt to generate a cryptographically encoded Message Integrity Code (MIC) that is computed over the address field of a Wake Up Radio (WUR) frame; and a transmission signal generator which, in operation, generates a secure WUR signal by replacing the address field of the WUR frame with the MIC; and a transmitter which, in operation, transmits the secure WUR signal.

5. 发明申请

US20200178178A1 COMMUNICATION APPARATUS AND COMMUNICATION METHOD 审中-公开
公开(公告)号：US20200178178A1
公开(公告)日：2020-06-04
申请号：US16637714
申请日：2018-08-07
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , YOSHIO URABE , ROJAN CHITRAKAR
IPC分类号： H04W52/02
摘要： A communication apparatus comprises primary connectivity radio (PCR) circuitry which, in operation, exchanges a wake up radio (WUR) mode setup frame with a communication partner apparatus in awake state; and wake up radio (WUR) circuitry which, in operation, receives a wake-up frame from the communication partner apparatus, wherein upon successful completion of the WUR mode setup frame exchange in mode other than WUR mode, the communication apparatus enters the WUR mode in which the WUR circuitry is in state to receive a WUR frame, and wherein upon receiving the wake-up frame by the WUR circuitry in the WUR mode, the PCR circuitry changes current state to the awake state.

6. 发明公开

US20230362634A1 COMMUNICATION APPARATUS AND METHOD FOR SECURE LOW POWER TRANSMISSION 审中-公开
公开(公告)号：US20230362634A1
公开(公告)日：2023-11-09
申请号：US18354543
申请日：2023-07-18
申请人： Panasonic Intellectual Property Corporation of America
发明人： ROJAN CHITRAKAR , LEI HUANG , YOSHIO URABE
IPC分类号： H04W12/037 , H04W12/106 , H04W12/04 , H04W52/02
CPC分类号： H04W12/037 , H04W12/106 , H04W12/04 , H04W52/0235
摘要： The present disclosure provides a communication apparatus comprising a cryptographic circuitry which, in operation, uses a shared cryptographic secret Key and a cryptographic salt to generate a cryptographically encoded Message Integrity Code (MIC) that is computed over the address field of a Wake Up Radio (WUR) frame; and a transmission signal generator which, in operation, generates a secure WUR signal by replacing the address field of the WUR frame with the MIC; and a transmitter which, in operation, transmits the secure WUR signal.

7. 发明公开

US20230170966A1 APPARATUS AND METHOD FOR DIVERSITY TRANSMISSION IN A WIRELESS COMMUNICATIONS SYSTEM 审中-公开
公开(公告)号：US20230170966A1
公开(公告)日：2023-06-01
申请号：US18160895
申请日：2023-01-27
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , YOSHIO URABE , ROJAN CHITRAKAR
IPC分类号： H04B7/06 , H04L1/06 , H04L27/26 , H04L5/00 , H04J11/00 , H04L1/00 , H04B7/0413
CPC分类号： H04B7/068 , H04L1/0606 , H04L27/26 , H04B7/0689 , H04L5/0025 , H04J11/0066 , H04L27/2634 , H04L1/00 , H04B7/0413 , H04L1/0003 , H04L27/2613 , H04L5/0048
摘要： A communication apparatus of the present disclosure includes a receiver which, in operation, receives a signal that includes a non-legacy preamble and a data field, the non-legacy preamble comprising a first field for indicating a number of spatial streams (Nss) in the data field and a second field for indicating one of a plurality of modulation and coding schemes (MCSs), wherein two or more frequency diversity transmission schemes are supported and one of the two or more frequency diversity transmission schemes is applied based on a value of the Nss; and circuitry which, in operation, decodes the signal.

8. 发明申请

US20210352587A1 COMMUNICATION APPARATUS AND COMMUNICATION METHOD 有权
公开(公告)号：US20210352587A1
公开(公告)日：2021-11-11
申请号：US17380834
申请日：2021-07-20
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , YOSHIO URABE , ROJAN CHITRAKAR
IPC分类号： H04W52/02 , H04L12/861
摘要： A communication apparatus of the present disclosure comprises a first receiver which, in operation, receives a downlink data frame from a base station; a decoder which, in operation, decodes data included in the received downlink data frame; a signal generator which, when the decoded data indicates that there is no buffered traffic for the communication apparatus, generates an uplink frame that includes acknowledgement information and a wake-up radio (WUR) mode request indicating a request to transit to the WUR mode from a primary connectivity radio (PCR) mode; and a transmitter which, in operation, transmits the uplink frame to the base station.

9. 发明申请

US20210297207A1 INTEGRATED CIRCUIT 有权
公开(公告)号：US20210297207A1
公开(公告)日：2021-09-23
申请号：US17339756
申请日：2021-06-04
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , ROJAN CHITRAKAR , YOSHIO URABE
IPC分类号： H04L5/00 , H04W28/06
摘要： A transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field for a first subband channel and, when the transmission signal occupies more than one subband channel, the second signal field further comprising a second channel field for a second subband channel different from the first subband channel, each of the first channel field and the second channel field comprising a user-specific field that includes a plurality of user fields, each user field carrying per-user allocation information for corresponding one of one or more terminal stations, and wherein the plurality of user fields are split equitably between the first channel field and the second channel field when a full bandwidth that covers the first subband channel and the second subband channel is allocated for multi-user (MU) MIMO transmission; and a transmitter which, in operation, transmits the generated transmission signal.

10. 发明公开

US20240259073A1 APPARATUS AND METHOD FOR DIVERSITY TRANSMISSION IN A WIRELESS COMMUNICATIONS SYSTEM 审中-公开
公开(公告)号：US20240259073A1
公开(公告)日：2024-08-01
申请号：US18631440
申请日：2024-04-10
申请人： Panasonic Intellectual Property Corporation of America
发明人： LEI HUANG , YOSHIO URABE , ROJAN CHITRAKAR
IPC分类号： H04B7/06 , H04B7/0413 , H04J11/00 , H04L1/00 , H04L1/06 , H04L5/00 , H04L27/26
CPC分类号： H04B7/068 , H04B7/0413 , H04B7/0689 , H04J11/0066 , H04L1/00 , H04L1/0003 , H04L1/0606 , H04L5/0025 , H04L27/26 , H04L27/2634 , H04L5/0048 , H04L27/2613
摘要： A communication apparatus of the present disclosure includes a receiver which, in operation, receives a signal that includes a non-legacy preamble and a data field, the non-legacy preamble comprising a first field for indicating a number of spatial streams (Nss) in the data field and a second field for indicating one of a plurality of modulation and coding schemes (MCSs), wherein two or more frequency diversity transmission schemes are supported and one of the two or more frequency diversity transmission schemes is applied based on a value of the Nss; and circuitry which, in operation, decodes the signal.

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