公开(公告)号：US09204486B2

公开(公告)日：2015-12-01

申请号：US13852174

申请日：2013-03-28

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Ariton E. Xhafa ,  Soon-Hyeok Choi ,  Srinath Hosur ,  Yanjun Sun

IPC: H04J1/16 ,  H04W84/18 ,  H04W72/12 ,  H04W88/06

CPC classification number: H04W72/1215 ,  H04W4/80 ,  H04W84/12 ,  H04W84/18 ,  H04W88/06

Abstract: A wireless device includes a wireless transceiver configured to transmit to and receive from nodes in a wireless sensor network (WSN) and control logic coupled to the first wireless transceiver. The wireless transceiver transmits a wireless packet to a node in the WSN based on the transmission coinciding with a break in transmissions for a second wireless network. Based on the wireless transceiver being configured to transmit the wireless packets utilizing time synchronized channel hopping, slot frames for packet transmissions in the WSN are time offset so as not to coincide with transmissions made on the second wireless network. Based on the wireless transceiver being configured to transmit the packets utilizing coordinated sampled listening, wake up sequence transmissions for the WSN are time offset so as not to coincide with the transmissions made on the second wireless network.

Abstract translation: 无线设备包括被配置为向无线传感器网络（WSN）中的节点传送和从其接收的无线收发机以及耦合到第一无线收发器的控制逻辑。 无线收发器基于与第二无线网络的传输中断一致的传输将无线分组传送到WSN中的节点。 基于无线收发器被配置为使用时间同步信道跳频发送无线分组，用于WSN中的分组传输的时隙帧是时间偏移的，以便不与在第二无线网络上进行的传输相一致。 基于无线收发器被配置为使用协调采样监听来发送分组，用于WSN的唤醒序列传输是时间偏移，以便不与在第二无线网络上进行的传输相一致。

公开(公告)号：US20150331776A1

公开(公告)日：2015-11-19

申请号：US14603100

申请日：2015-01-22

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： William R. Krenik ,  Matthew R. Webb ,  Deric W. Waters ,  Anand G. Dabak ,  Srinath Hosur

IPC: G06F11/30 ,  G06F13/40 ,  G06F13/364

CPC classification number: G06F13/4022 ,  G06F11/3089

Abstract: A switch monitoring system is provides information on sensor readings and contact closures over a one-wire network or a loop

Abstract translation: 开关监控系统提供有关传感器读数和通过单线网络或回路的触点闭合信息

公开(公告)号：US09036614B2

公开(公告)日：2015-05-19

申请号：US13917435

申请日：2013-06-13

Applicant: Texas Instruments Incorporated

Inventor： Anuj Batra ,  Timothy M. Schmidt ,  Srinath Hosur ,  June C. Roh

IPC: H04W4/00 ,  H04L27/20 ,  H04L27/18 ,  H04L29/06

CPC classification number: H04W4/80 ,  H04L27/18 ,  H04L27/20 ,  H04L27/2675 ,  H04L69/22 ,  H04W52/36 ,  H04W52/367 ,  H04W72/0453 ,  H04W74/0816

Abstract: In at least some embodiments, a communication device includes a transceiver with a physical (PHY) layer. The PHY layer is configured for body area network (BAN) operations in a limited multipath environment based on a constant symbol rate for BAN packet transmissions and based on M-ary PSK, differential M-ary PSK or rotated differential M-ary PSK modulation. The PHY layer is configured to transmit and receive data in a frequency band selected from the group consisting of: 402-405 MHz, 420-450 MHz, 863-870 MHz, 902-928 MHz, 950-956 MHz, 2360-2400 MHz, and 2400-2483.5 MHz.

Abstract translation: 在至少一些实施例中，通信设备包括具有物理（PHY）层的收发器。 基于用于BAN分组传输的恒定符号速率并且基于M-ary PSK，差分M-ary PSK或旋转差分M-ary PSK调制，PHY层被配置用于在有限多径环境中的体区域网络（BAN）操作。 PHY层被配置为从选自以下的频带发送和接收数据：402-405MHz，420-450MHz，863-870MHz，902-928MHz，950-956MHz，2360-2400MHz ，和2400-2483.5MHz。

公开(公告)号：US20140233609A1

公开(公告)日：2014-08-21

申请号：US14264708

申请日：2014-04-29

Applicant: Texas Instruments Incorporated

Inventor： June Chul Roh ,  Anuj Batra ,  Sudipto Chakraborty ,  Srinath Hosur

IPC: H04B1/7176

CPC classification number: H04B1/69 ,  H04B1/7176 ,  H04B2001/6908

Abstract: A symbol modulation system applicable to a body area network is disclosed herein. The symbol modulation system includes a symbol mapper. The symbol mapper is configured to determine a time within a predetermined symbol transmission interval at which a transmission representative of the symbol will occur. The time is determined based on a value of a symbol and a value of a time-hopping sequence. The time is selected from a plurality of symbol value based time slots, and a plurality of time-hopping sequence sub-time-slots within each symbol value based time slot. The symbol mapper is configured to generate a single guard interval within the symbol transmission interval. The single guard interval is positioned to terminate the symbol transmission interval.

Abstract translation: 本文公开了适用于体区网络的符号调制系统。 符号调制系统包括符号映射器。 符号映射器被配置为确定符号的传输代表将发生的预定符号传输间隔内的时间。 该时间基于符号的值和跳时序列的值来确定。 该时间是从基于多个符号值的时隙中选出的，以及在每个基于符号值的时隙内的多个跳时序列子时隙。 符号映射器被配置为在符号传输间隔内产生单个保护间隔。 单个保护间隔定位成终止符号传输间隔。