公开(公告)号：US20090282315A1

公开(公告)日：2009-11-12

申请号：US12435821

申请日：2009-05-05

Applicant: Jason A. Trachewsky ,  Ba-Zhong Shen ,  Andrew J. Blanksby ,  Joonsuk Kim

Inventor： Jason A. Trachewsky ,  Ba-Zhong Shen ,  Andrew J. Blanksby ,  Joonsuk Kim

IPC: H03M13/29 ,  H03M13/05 ,  G06F11/10

CPC classification number: H04L1/0041 ,  H03M13/116 ,  H03M13/1185 ,  H03M13/6544 ,  H03M13/655 ,  H04L1/005 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071

Abstract: LDPC coding systems for 60 GHz millimeter wave based physical layer extension. LDPC (Low Density Parity Check) encoding in cooperation with sub-carrier interleaving, in the context of orthogonal frequency division multiplexing (OFDM), and appropriate symbol mapping is performed in accordance with transmit processing as may be performed within a communication device. In a receiving communication device, receive processing may be performed on a received signal based on the type of LDPC, sub-carrier interleaving, and symbol mapping thereof. The LDPC code employed in accordance with such LDPC encoding may have a partial-tree like structure. In addition, appropriate manipulation of the bits assigned to respective sub-carriers may be performed to ensure that the bits emplaced in the MSB (Most Significant Bit) location of various symbols has some desired diversity (e.g., from different codewords, from appropriately different locations within a given codeword, etc.).

Abstract translation: 基于60 GHz毫米波的物理层扩展的LDPC编码系统。 在正交频分复用（OFDM）的上下文中，与子载波交织协作的LDPC（低密度奇偶校验）编码和适当的符号映射是根据通信设备内可能执行的发送处理来执行的。 在接收通信设备中，可以基于LDPC的类型，子载波交织及其符号映射对接收到的信号执行接收处理。 根据这样的LDPC编码采用的LDPC码可以具有部分树状结构。 此外，可以执行对分配给各个子载波的比特的适当的操纵，以确保放置在各种符号的MSB（最高有效位）位置中的比特具有一些期望的分集（例如，从不同的码字，从适当不同的位置 在给定码字内等）。

公开(公告)号：US07593692B2

公开(公告)日：2009-09-22

申请号：US10815163

申请日：2004-03-31

Applicant: Christopher J. Hansen ,  Jason A. Trachewsky

Inventor： Christopher J. Hansen ,  Jason A. Trachewsky

IPC: H04B17/00 ,  H04B1/26 ,  H04B15/00

CPC classification number: H04W16/14 ,  G01S7/021 ,  G01S7/023 ,  H04B1/1027 ,  H04K3/224 ,  H04K3/226 ,  H04K3/822 ,  H04K2203/18

Abstract: A single chip radio transceiver includes circuitry that enables detection of radar signals to enable the radio transceiver to halt communications in overlapping communication bands to avoid interference with the radar transmitting the radar pulses. One design goal, however, is to avoid false triggers that result from spurious tones and omissions and that further detects radar signals even in circumstances in which a radar pulse has been masked or eliminated by interference. Accordingly, the radar detection block includes circuitry for detecting and measuring the radar signals in the presence of such interference. More specifically, the radar detection block includes a moving average filter, a threshold comparison state machine, and radar detection logic within software that is executed by a processor for determining whether a radar signal is present.

Abstract translation: 单芯片无线电收发器包括能够检测雷达信号以使得无线电收发器能够在重叠通信频带中停止通信以避免干扰雷达发射雷达脉冲的电路。 然而，一个设计目标是避免由虚假的音调和遗漏引起的错误触发，并且即使在雷达脉冲已经被干扰屏蔽或消除的情况下也可进一步检测雷达信号。 因此，雷达检测块包括用于在存在这种干扰的情况下检测和测量雷达信号的电路。 更具体地，雷达检测块包括由处理器执行的用于确定是否存在雷达信号的软件内的移动平均滤波器，阈值比较状态机和雷达检测逻辑。

公开(公告)号：US07583758B2

公开(公告)日：2009-09-01

申请号：US11402571

申请日：2006-04-12

Applicant: Rohit V. Gaikwad ,  Rajendra Tushar Moorti ,  Jason A. Trachewsky

Inventor： Rohit V. Gaikwad ,  Rajendra Tushar Moorti ,  Jason A. Trachewsky

IPC: H04L27/00 ,  H04L27/06

CPC classification number: H04L27/2657

Abstract: Carrier detection applicable for SISO, MIMO, MISO, and SIMO communications. A novel approach is presented to perform carrier detection for a signal found in any of a wide variety of communication systems including single-input-multiple-output (SISO), multiple-input-multiple-output (MIMO), multiple-input-single-output (MISO) single-input-multiple-output (SISO), communication systems. This novel approach to performing carrier detection is more robust than those approaches existent in the art. By employing normalization with respect to power in determining a modified correlation function, there is less susceptibility to false detects. Also, this approach is quite robust to any circuitry DC offsets that may undesirably exist within a communication device that undergoes operational changes due to a variety of factors including environmental perturbations and/or changes in processing circuitry within the communication device (e.g., changes in gain control).

Abstract translation: 载波检测适用于SISO，MIMO，MISO和SIMO通信。 提出了一种新颖的方法来对在各种各样的通信系统中发现的信号执行载波检测，包括单输入多输出（SISO），多输入多输出（MIMO），多输入单 - 输出（MISO）单输入多输出（SISO），通信系统。 执行载波检测的这种新颖的方法比本领域中存在的那些方法更加鲁棒。 通过在确定修正的相关函数中使用关于功率的归一化，对错误检测的敏感性较小。 此外，该方法对于由于各种因素（包括环境扰动和/或通信设备内的处理电路的变化）而经历操作改变的通信设备中可能不期望地存在的任何电路DC偏移是相当鲁棒的 控制）。

公开(公告)号：US20090207827A1

公开(公告)日：2009-08-20

申请号：US12426911

申请日：2009-04-20

Applicant: Tushar Moorti ,  Christopher J. Hansen ,  Jason A. Trachewsky

Inventor： Tushar Moorti ,  Christopher J. Hansen ,  Jason A. Trachewsky

IPC: H04W84/12

CPC classification number: H04W24/02 ,  H04B1/38 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2605 ,  H04L27/2647 ,  H04W24/00 ,  H04W28/06 ,  H04W28/18 ,  H04W72/085 ,  H04W84/12 ,  Y10S370/901 ,  Y10S370/908

Abstract: A method for receiving a frame in a high data throughput wireless local area network begins by receiving a preamble of the frame via a channel in accordance with a default receiver filter mask. The processing continues by validating the preamble. The processing continues by, when the preamble is validated, interpreting the preamble to determine a high data throughput channel configuration. The processing continues by reconfiguring the default receiver filter mask in accordance with the high data throughput channel configuration to produce a reconfigured receiver filter mask. The processing continues by receiving a data segment of the frame in accordance with the reconfigured receiver filter mask.

Abstract translation: 用于在高数据吞吐量无线局域网中接收帧的方法通过根据默认接收机滤波器掩码经由信道接收帧的前导码开始。 该处理继续通过验证前导码。 当前同步码被验证时，处理继续解释前导码以确定高数据吞吐量信道配置。 该处理继续通过根据高数据吞吐量信道配置重新配置默认接收机滤波器掩码以产生重新配置的接收机滤波器掩码。 该处理通过根据重新配置的接收机滤波器掩码接收帧的数据段而继续。

公开(公告)号：US07535972B2

公开(公告)日：2009-05-19

申请号：US11166808

申请日：2005-06-24

Applicant: Joachim S. Hammerschmidt ,  Bruce E. Edwards ,  Venkat Kodavati ,  R. Tushar Moorti ,  Ling Su ,  Jason A. Trachewsky ,  Andrew Wagner

Inventor： Joachim S. Hammerschmidt ,  Bruce E. Edwards ,  Venkat Kodavati ,  R. Tushar Moorti ,  Ling Su ,  Jason A. Trachewsky ,  Andrew Wagner

IPC: H04L27/00

CPC classification number: H04W88/06 ,  H04B7/04

Abstract: A programmable transmitter generates a frame in a frame format according to one of a plurality of operating modes using a frame structure table storing a respective frame format for each of the operating modes. The transmitter includes a frame structure engine that receives a mode selection signal indicative of a select operating mode, and accesses the frame structure table to determine the frame format of the select operating mode. The frame structure engine produces a control signal to a frame generator to control the generation of a frame in the frame format of the select operating mode.

Abstract translation: 可编程发射机使用存储每种操作模式的相应帧格式的帧结构表，根据多种操作模式中的一种来生成帧格式的帧。 发射机包括帧结构引擎，其接收指示选择操作模式的模式选择信号，并且访问帧结构表以确定选择操作模式的帧格式。 帧结构引擎向帧发生器产生控制信号，以控制以选择操作模式的帧格式生成帧。

公开(公告)号：US20080310351A1

公开(公告)日：2008-12-18

申请号：US12173796

申请日：2008-07-15

Applicant: Christopher J. Hansen ,  Jason A. Trachewsky ,  R. Tushar Moorti ,  Matthew J. Fischer ,  Christopher Young

Inventor： Christopher J. Hansen ,  Jason A. Trachewsky ,  R. Tushar Moorti ,  Matthew J. Fischer ,  Christopher Young

IPC: H04Q7/00

CPC classification number: H04B7/0667

Abstract: A method for generating a preamble of a frame for a multiple input multiple output (MIMO) wireless communication begins by, for each transmit antenna of the MIMO wireless communication, generating a carrier detect field, wherein, from transmit antenna to transmit antenna, the carrier detect field is cyclically shifted. The method continues by, for a first grouping of the transmit antennas of the MIMO wireless communication: generating a first guard interval following the carrier detect field; and generating at least one channel sounding field, wherein, from transmit antenna to transmit antenna in the first grouping, the at least one channel sounding field is cyclically shifted, and wherein the at least one channel sounding field follows the first guard interval. The method continues by, when the MIMO wireless communication includes more than the first grouping of the transmit antennas, for another grouping of the transmit antennas: generating at least one other channel sounding field, wherein, from transmit antenna to transmit antenna in the another grouping, the at least one other channel sounding field is cyclically shifted, and wherein the at least one other channel sounding field follows the at least one channel sounding field; and generating the first guard interval prior to the at least one other channel sounding field.

Abstract translation: 用于生成多输入多输出（MIMO）无线通信的帧的前同步码的方法，针对MIMO无线通信的每个发射天线开始，生成载波检测场，其中，从发射天线到发射天线，载波 检测场循环移位。 对于MIMO无线通信的发射天线的第一组，该方法继续：产生载波检测域之后的第一保护间隔; 以及产生至少一个信道探测场，其中，从所述第一分组中的发射天线到所述发射天线，所述至少一个信道探测场被循环移位，并且其中所述至少一个信道探测场跟随所述第一保护间隔。 当MIMO无线通信包括多于发射天线的第一组合时，该方法继续用于发射天线的另一组：产生至少一个其它信道探测场，其中从另一组中的发射天线到发射天线 ，所述至少一个其它信道探测场被循环移位，并且其中所述至少一个其它信道探测场跟随所述至少一个信道探测场; 以及在所述至少一个其它信道探测场之前产生所述第一保护间隔。

公开(公告)号：US07177662B2

公开(公告)日：2007-02-13

申请号：US10817541

申请日：2004-04-02

Applicant: Jason A. Trachewsky ,  Alan Corry ,  Venkat Kodavati

Inventor： Jason A. Trachewsky ,  Alan Corry ,  Venkat Kodavati

IPC: H04M1/00

CPC classification number: H04B1/406

Abstract: A multimode wireless communication includes a digital baseband processing module, an analog to digital converter module, a digital to analog converter module, a first radio section, and a second radio section. The digital baseband processing module is operably coupled to convert outbound data into outbound digital baseband signals and to convert inbound digital baseband signals into inbound data. The analog to digital converter module is operably coupled to convert inbound analog baseband signals into the inbound digital baseband signals. The digital to analog converter module is operably coupled to convert the outbound digital baseband signals into outbound analog baseband signals. The first radio section is operably coupled to convert the outbound analog baseband signals into first outbound radio frequency (RF) signals and to convert first inbound RF signals into the inbound analog baseband signals when the wireless communication device is in a first mode of operation. The second radio section is operably coupled to convert the outbound analog baseband signals into second outbound RF signals and to convert second inbound RF signals into the inbound analog baseband signals when the wireless communication device is in a second mode of operation.

Abstract translation: 多模无线通信包括数字基带处理模块，模数转换器模块，数模转换器模块，第一无线电部分和第二无线电部分。 数字基带处理模块可操作地耦合以将出站数据转换为出站数字基带信号，并将入站数字基带信号转换为入站数据。 模数转换器模块可操作地耦合以将入站模拟基带信号转换成入站数字基带信号。 数模转换器模块可操作地耦合以将出站数字基带信号转换为出站模拟基带信号。 第一无线电部分可操作地耦合以将出站模拟基带信号转换成第一出站射频（RF）信号，并且当无线通信设备处于第一操作模式时，将第一入站RF信号转换为入站模拟基带信号。 当无线通信设备处于第二操作模式时，第二无线电部分可操作地耦合以将出站模拟基带信号转换为第二出站RF信号并将第二入站RF信号转换为入站模拟基带信号。

公开(公告)号：US09344535B2

公开(公告)日：2016-05-17

申请号：US12711225

申请日：2010-02-23

Applicant: Christopher J. Hansen ,  Jason A. Trachewsky ,  Rajendra Tushar Moorti ,  Matthew James Fischer

Inventor： Christopher J. Hansen ,  Jason A. Trachewsky ,  Rajendra Tushar Moorti ,  Matthew James Fischer

IPC: H04L29/06 ,  H04W80/00 ,  H04W84/12

CPC classification number: H04L69/18 ,  H04L69/24 ,  H04W80/00 ,  H04W84/12

Abstract: A method for multiple protocol wireless communications begins by determining protocols of wireless communication devices within a proximal region. The method then continues by determining whether the protocols of the wireless communication devices within the proximal region are of a like protocol. The method continues by, when the protocols of the wireless communication devices within the proximal region are not of a like protocol, selecting a protocol of the protocols of the wireless communication devices within the proximal region based on a protocol ordering to produce a selected protocol. The method continues by utilizing the selected protocol by the wireless communication devices within the proximal region to set up a wireless communication within the proximal region.

Abstract translation: 用于多协议无线通信的方法通过确定近端区域内的无线通信设备的协议来开始。 该方法然后通过确定近端区域内的无线通信设备的协议是否具有类似协议来继续。 当近端区域内的无线通信设备的协议不是类似的协议时，该方法继续进行，基于协议排序来选择在近端区域内的无线通信设备的协议的协议以产生所选择的协议。 所述方法通过利用所述近端区域内的无线通信设备利用所选择的协议来建立所述近端区域内的无线通信。

公开(公告)号：US08891642B2

公开(公告)日：2014-11-18

申请号：US13594203

申请日：2012-08-24

Applicant: Christopher J. Hansen ,  Jason A. Trachewsky ,  Rajendra Tushar Moorti ,  Christopher Young

Inventor： Christopher J. Hansen ,  Jason A. Trachewsky ,  Rajendra Tushar Moorti ,  Christopher Young

IPC: H04L27/28 ,  H04B7/06

CPC classification number: H04B7/0613

Abstract: A preamble of a frame for a multiple input multiple output (MIMO) wireless communication for a first transmit antenna of the MIMO communication includes a legacy preamble portion in accordance with a legacy wireless communication protocol. The preamble of the frame for the MIMO wireless communication for the first transmit antenna also includes a current protocol preamble portion in accordance with a protocol of the MIMO wireless communication. The preamble of a frame for at least a second antenna of the MIMO communication includes a cyclically shifted legacy preamble portion for the frame. The preamble of the frame for the MIMO wireless communication for the second transmit antenna also includes a second current protocol preamble portion in accordance with a protocol of the MIMO wireless communication.

Abstract translation: 用于MIMO通信的第一发射天线的多输入多输出（MIMO）无线通信的帧的前导码包括根据传统无线通信协议的传统前导码部分。 用于第一发射天线的MIMO无线通信的帧的前导码还包括根据MIMO无线通信的协议的当前协议前同步码部分。 用于MIMO通信的至少第二天线的帧的前导码包括用于该帧的循环移位的传统前同步码部分。 用于第二发射天线的MIMO无线通信的帧的前导码还包括根据MIMO无线通信的协议的第二当前协议前同步码部分。

公开(公告)号：US08774327B2

公开(公告)日：2014-07-08

申请号：US11079961

申请日：2005-03-15

Applicant: Arya Reza Behzad ,  Michael S. Kappes ,  Jason A. Trachewsky ,  Christopher J. Hansen

Inventor： Arya Reza Behzad ,  Michael S. Kappes ,  Jason A. Trachewsky ,  Christopher J. Hansen

IPC: H03D1/00

CPC classification number: H04B1/28

Abstract: The present invention provides adjusting of a radio frequency (RF) receiver that includes processing that begins by enabling an initial setting of the RF receiver, wherein the initial setting is based on a bandwidth of a channel of a plurality of channels. The processing continues by receiving an RF signal containing a preamble of a frame via one of the plurality of channels. The processing continues by converting the RF signal to a baseband signal based on the initial setting. The processing continues by determining channel type of the one of the plurality of channels based on the baseband signal. The processing continues by determining whether the channel type corresponds to the bandwidth of the initial setting. The processing continues by, when the channel type does not correspond to the bandwidth of the initial setting, adjusting setting of the RF receiver based on the channel type.

Abstract translation: 本发明提供了一种射频（RF）接收机的调整，其包括通过启动RF接收机的初始设置而开始的处理，其中初始设置基于多个信道的信道的带宽。 该处理通过经由多个信道中的一个接收包含帧的前同步码的RF信号而继续。 该处理通过基于初始设置将RF信号转换为基带信号来继续。 通过基于基带信号确定多个信道之一的信道类型来继续处理。 通过确定信道类型是否对应于初始设置的带宽，继续处理。 当通道类型不对应于初始设置的带宽时，处理继续，根据信道类型调整RF接收机的设置。