公开(公告)号：US11791862B2

公开(公告)日：2023-10-17

申请号：US17315488

申请日：2021-05-10

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Badri N Varadarajan ,  Anand Dabak ,  Il Han Kim

IPC: H04L29/06 ,  H04B3/54 ,  H04L69/22 ,  H04L1/00 ,  H04L69/323

CPC classification number: H04B3/54 ,  H04L1/0041 ,  H04L1/0071 ,  H04L69/22 ,  H04L69/323

Abstract: In a disclosed embodiment, a power line communication (PLC) transmitter includes a forward error correction (FEC) encoder that receives payload data and adds parIty information to the data to create an encoded output, a fragmenter that receives the encoded output from the FEC encoder and segments the encoded output into a plurality of fragments, a fragment repetition encoder that receives the plurality of fragments from the fragmenter and copies each of the fragments a selected number of times, and an interleaver that receives the copies of the plurality of fragments from the fragment repetition encoder and interleaves the copies of the plurality of fragments for transmission on a power line.

公开(公告)号：US20230138448A1

公开(公告)日：2023-05-04

申请号：US18148024

申请日：2022-12-29

Applicant: Texas Instruments Incorporated

Inventor： Anand G. Dabak ,  Badri N Varadarajan ,  Il Han Kim ,  Tarkesh Pande

IPC: H04L69/22 ,  H04B3/30 ,  H04B10/11 ,  H04B3/54

Abstract: Methods for building, transmitting, and receiving frame structures in power line communications (PLC) are described. Various techniques described herein provide a preamble design using one or more symbols. One or more preamble symbols may be interspersed within a header portion of a PLC frame to facilitate estimation of a frame boundary and/or sampling frequency offset, for example, in the presence of impulsive noise.

公开(公告)号：US11240216B2

公开(公告)日：2022-02-01

申请号：US16722371

申请日：2019-12-20

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kumaran Vijayasankar ,  Mehul Soman ,  Arvind Kandhalu Raghu ,  Il Han Kim

IPC: H04L29/06 ,  H04L29/08 ,  H04W12/04 ,  H04W12/06 ,  H04W4/70 ,  H04W12/033

Abstract: A network system comprising a first network element and a second network element. The first network element is programmed to provide the step of first, communicating to the second network element a plurality of configuration parameter sets. Each configuration parameter set corresponds to a respective frame fragment and comprises a parameter value that differs in value from the parameter value in another configuration parameter set in the plurality of configuration parameter sets. The first network element also is programmed to provide the step of second, communicating a frame, to the second network element, in a plurality of frame fragments, wherein each frame fragment in the plurality of frame fragments is communicated according to a respective parameter value in the plurality of configuration parameter sets.

公开(公告)号：US20210076258A1

公开(公告)日：2021-03-11

申请号：US17101650

申请日：2020-11-23

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Wonsoo Kim ,  Il Han Kim

IPC: H04W28/08 ,  H04W52/02

Abstract: A utilization factor controller is to estimate power consumption values corresponding to a plurality of first utilization factor and second utilization factor pairs, the first utilization factor corresponding to utilization of the first transceiver that is to communicate using a first protocol, the second utilization factor corresponding to utilization of the second transceiver that is to communicate using a second protocol different form the first protocol, the utilization factor controller to select a first utilization factor and second utilization factor pair based on the estimated power consumption value. A transmission time controller is to calculate first and second transmission times to be used by the first and second transceiver based on the selected first utilization factor and second utilization factor pair. A data allocator is to allocate data for transmission by the first transceiver and the second transceiver according to the first and second transmission times.

公开(公告)号：US10812135B2

公开(公告)日：2020-10-20

申请号：US15718745

申请日：2017-09-28

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Ariton E. Xhafa ,  Xiaolin Lu ,  Jianwei Zhou ,  Il Han Kim

IPC: H04L29/06 ,  H04B1/7156 ,  H04L9/06 ,  H04W12/00 ,  H04W12/04 ,  H04B1/713

Abstract: A network includes a first wireless node that communicates over a wireless network connection. The first wireless node includes a first encryption engine that processes a first initialization data set and a current transmit sequence associated with a current communication to generate a next transmit sequence that is employed to communicate with a second wireless node that derives a next received sequence that corresponds to the next transmit sequence to process a subsequent communication.

公开(公告)号：US20200295802A1

公开(公告)日：2020-09-17

申请号：US16885821

申请日：2020-05-28

Applicant: Texas Instruments Incorporated

Inventor： Il Han Kim ,  ANAND G. Dabak ,  Tarkesh Pande

IPC: H04B3/54

Abstract: In a powerline communications (PLC) network having a first node and at least a second node on a PLC channel utilizing a band including a plurality of tones, based on at least one channel quality indicator (CQI), the first node allocates for a tone map response payload only a single (1) power control bit for each of a plurality of subbands having two or more tones. The power control bit indicates a first power state or a second power state. The first node transmits a frame including the tone map response payload to the second node. The second node transmits a frame having boosted signal power for the tones in the subbands which have the first power state compared to a lower signal power for the tones in the subbands which have the second power state.

公开(公告)号：US10700740B2

公开(公告)日：2020-06-30

申请号：US15196495

申请日：2016-06-29

Applicant: Texas Instruments Incorporated

Inventor： Wonsoo Kim ,  Il Han Kim

IPC: H04L12/26 ,  H04B3/54 ,  H04L12/24

Abstract: A communication system and method includes a receiver for receiving a communication signal coupled through a physical medium in accordance with a protocol. An interface formed in a single substrate receives from the receiver an indication of the signal strength of the received communication signal. The interface also decodes the information contained in the received communication signal. For example, the interface sends the information decoded from the received communication signal to a first application for consuming the decoded information. The interface also sends the indication of the signal strength of the received communication signal to a second application for generating a quality determination of the physical medium in response to the indication of the signal strength of the received communication signal.

公开(公告)号：US10608998B2

公开(公告)日：2020-03-31

申请号：US15143460

申请日：2016-04-29

Applicant: Texas Instruments Incorporated

Inventor： Kumaran Vijayasankar ,  Mehul Soman ,  Arvind Kandhalu Raghu ,  Il Han Kim

IPC: H04L29/06 ,  H04L29/08

Abstract: A network system comprising a first network element and a second network element. The first network element is programmed to provide the step of first, communicating to the second network element a plurality of configuration parameter sets. Each configuration parameter set corresponds to a respective frame fragment and comprises a parameter value that differs in value from the parameter value in another configuration parameter set in the plurality of configuration parameter sets. The first network element also is programmed to provide the step of second, communicating a frame, to the second network element, in a plurality of frame fragments, wherein each frame fragment in the plurality of frame fragments is communicated according to a respective parameter value in the plurality of configuration parameter sets.

公开(公告)号：US10587380B2

公开(公告)日：2020-03-10

申请号：US16268050

申请日：2019-02-05

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Jing Lin ,  Tarkesh Pande ,  Il Han Kim ,  Anuj Batra

IPC: H04L5/00 ,  H04W28/04 ,  H04L27/36 ,  H04L27/20 ,  H04B3/54 ,  H04W72/12

Abstract: A method of encoding a first bit and a second bit for transmission on a transmission band is provided. The method includes receiving a bit stream that includes the first and second bits, mapping the first bit into a first symbol, mapping the second bit into a second symbol, differentially encoding at least the first symbol and the second symbol, and causing the first and second symbols to be transmitted on a transmission band as part of a symbol stream.

公开(公告)号：US20190052313A1

公开(公告)日：2019-02-14

申请号：US16160864

申请日：2018-10-15

Applicant: Texas Instruments Incorporated

Inventor： Il Han Kim ,  ANAND G. Dabak ,  Tarkesh Pande

IPC: H04B3/54

Abstract: In a powerline communications (PLC) network having a first node and at least a second node on a PLC channel utilizing a band including a plurality of tones, based on at least one channel quality indicator (CQI), the first node allocates for a tone map response payload only a single (1) power control bit for each of a plurality of subbands having two or more tones. The power control bit indicates a first power state or a second power state. The first node transmits a frame including the tone map response payload to the second node. The second node transmits a frame having boosted signal power for the tones in the subbands which have the first power state compared to a lower signal power for the tones in the subbands which have the second power state.