公开(公告)号：US20220225193A1

公开(公告)日：2022-07-14

申请号：US17712958

申请日：2022-04-04

Applicant: Texas Instruments Incorporated

Inventor： Shantanu Kangude ,  Pierre Bertrand ,  Badri N. Varadarajan

IPC: H04W36/04 ,  H04L5/00 ,  H04L27/26 ,  H04W48/12

Abstract: Simplified communication between user equipment and a neighboring cell not the primary cell is achieved by restricting the transmission parameters, such as bandwidth, of the neighboring cell transmission and provision of a simplified secondary baseband processor in the user equipment.

公开(公告)号：US11297549B2

公开(公告)日：2022-04-05

申请号：US15357918

申请日：2016-11-21

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Shantanu Kangude ,  Pierre Bertrand ,  Badri N. Varadarajan

IPC: H04W36/04 ,  H04L5/00 ,  H04L27/26 ,  H04W48/12 ,  H04W56/00

Abstract: Simplified communication between user equipment and a neighboring cell not the primary cell is achieved by restricting the transmission parameters, such as bandwidth, of the neighboring cell transmission and provision of a simplified secondary baseband processor in the user equipment.

公开(公告)号：US20180048354A1

公开(公告)日：2018-02-15

申请号：US15793900

申请日：2017-10-25

Applicant: Texas Instruments Incorporated

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

IPC: H04B3/54 ,  H04L12/911

CPC classification number: H04B3/542 ,  H04B2203/5408 ,  H04B2203/5416 ,  H04L47/78

Abstract: Systems and methods for application profiles and device classes in power line communications (PLCs) are described. In some embodiments, a PLC device has the device class defined by a PHY layer and may include a processor and a memory coupled to the processor. The memory may be configured to store program instructions, which may be executable by the processor to cause the PLC device to communicate with a higher-level PLC apparatus over a power line using a frequency band. The frequency band may be selected based upon an application profile and/or a device class associated with the PLC device. In some implementations, the higher-level PLC apparatus may include a PLC gateway or a data concentrator, and the PLC device may include a PLC modem or the like. Examples of application profiles include access communications, in-premises connectivity, AC charging, and/or DC charging. Device classes may represent a minimum communication data rate and/or an operating frequency band restriction of the PLC device.

公开(公告)号：US09667318B2

公开(公告)日：2017-05-30

申请号：US14798576

申请日：2015-07-14

Applicant: Texas Instruments Incorporated

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

IPC: H04L29/06 ,  H04B3/54

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

Abstract: Embodiments of the invention provide a device and a frame structure for powerline communications. The header may comprise two parts that are separately encoded. A common header segment is encoded alone, and an embedded header segment is encoded with payload data.

公开(公告)号：US20150207540A1

公开(公告)日：2015-07-23

申请号：US14679360

申请日：2015-04-06

Applicant: Texas Instruments Incorporated

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

IPC: H04B3/54 ,  H04L12/911

CPC classification number: H04B3/542 ,  H04B2203/5408 ,  H04B2203/5416 ,  H04L47/78

Abstract: Systems and methods for application profiles and device classes in power line communications (PLCs) are described. In some embodiments, a PLC device has the device class defined by a PHY layer and may include a processor and a memory coupled to the processor. The memory may be configured to store program instructions, which may be executable by the processor to cause the PLC device to communicate with a higher-level PLC apparatus over a power line using a frequency band. The frequency band may be selected based upon an application profile and/or a device class associated with the PLC device. In some implementations, the higher-level PLC apparatus may include a PLC gateway or a data concentrator, and the PLC device may include a PLC modem or the like. Examples of application profiles include access communications, in-premises connectivity, AC charging, and/or DC charging. Device classes may represent a minimum communication data rate and/or an operating frequency band restriction of the PLC device.

Abstract translation: 描述了电力线通信（PLC）中的应用配置文件和设备类的系统和方法。 在一些实施例中，PLC设备具有由PHY层定义的设备类，并且可以包括处理器和耦合到处理器的存储器。 存储器可以被配置为存储可由处理器执行的程序指令，以使PLC设备通过使用频带的电力线路与较高级别的PLC设备进行通信。 可以基于与PLC设备相关联的应用简档和/或设备类别来选择频带。 在一些实现中，较高级的PLC设备可以包括PLC网关或数据集中器，并且PLC设备可以包括PLC调制解调器等。 应用简档的示例包括接入通信，室内连接，AC充电和/或DC充电。 设备类可以表示PLC设备的最小通信数据速率和/或操作频带限制。

公开(公告)号：US08995580B2

公开(公告)日：2015-03-31

申请号：US14289223

申请日：2014-05-28

Applicant: Texas Instruments Incorporated

Inventor： Badri N. Varadarajan ,  Anand Ganesh Dabak ,  Tarkesh Pande ,  Eko N. Onggosanusi

IPC: H04L27/06 ,  H04L27/26 ,  H04L23/02

CPC classification number: H04L5/0048 ,  H04B1/04 ,  H04L23/02 ,  H04L25/0202 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2649

Abstract: In one embodiment, a transmitter includes a binary sequence generator unit configured to provide a sequence of reference signal bits, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to the transmitter and one or more time indices of the sequence. The transmitter also include a mapping unit that transforms the sequence of reference signal bits into a complex reference signal, and a transmit unit configured to transmit the complex reference signal. In another embodiment, a receiver includes a receive unit configured to receive a complex reference signal and a reference signal decoder unit configured to detect a sequence of reference signal bits from the complex reference signal, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to a transmitter and one or more time indices of the sequence.

Abstract translation: 在一个实施例中，发射机包括被配置为提供参考信号比特序列的二进制序列发生器单元，其中该序列是小区识别参数的不可分离的功能，对应于发射机的循环前缀模式和一个或多个时间指数 序列。 发射机还包括将参考信号比特序列变换为复参考信号的映射单元，以及配置成发送复基准信号的发射单元。 在另一实施例中，接收机包括被配置为接收复参考信号的接收单元和被配置为从复参考信号检测参考信号位序列的参考信号解码器单元，其中该序列是小区识别参数的不可分离的函数 ，对应于发射机的循环前缀模式和序列的一个或多个时间索引。

公开(公告)号：US20130170437A1

公开(公告)日：2013-07-04

申请号：US13779010

申请日：2013-02-27

Applicant: Texas Instruments Incorporated

Inventor： Eko N. Onggosanusi ,  Runhua Chen ,  II Han Kim ,  Badri N. Varadarajan ,  Anand G. Dabak ,  Charles K. Sestok

IPC: H04B7/02

CPC classification number: H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/006

Abstract: A coordinated multipoint transmitter is for use with a network MIMO super-cell and includes a coordination unit configured to provide joint link processing to coordinate a multipoint transmission corresponding to a set of transmission points. Additionally, the coordinated multipoint transmitter also includes a transmission unit configured to transmit the multipoint transmission using the set of transmission points. Additionally, a coordinated transmission receiver is for use with a network MIMO super-cell and includes a reception unit configured to receive a multipoint transmission corresponding to a set of transmission points. The coordinated transmission receiver also includes a processing unit configured to process the multipoint transmission from the set of transmission points.

Abstract translation: 协调的多点发射机用于网络MIMO超小区，并且包括配置为提供联合链路处理以协调对应于一组传输点的多点传输的协调单元。 此外，协调多点发射机还包括被配置为使用该组传输点来发送多点传输的传输单元。 此外，协调传输接收机用于网络MIMO超小区，并且包括被配置为接收与一组传输点相对应的多点传输的接收单元。 协调传输接收机还包括处理单元，其被配置为处理来自该组传输点的多点传输。