公开(公告)号：US20070297527A1

公开(公告)日：2007-12-27

申请号：US11855111

申请日：2007-09-13

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04L23/02

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A bidirectional communication system is provided. In one embodiment, a system comprises a host unit and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OFDM). The host unit repeatedly performs an analysis of a transmission characteristic of at least one upstream signal from at least one remote unit. The at least one remote unit makes adjustments to the transmission characteristic based on the analyses performed by the host unit to assist the host unit in demodulating a plurality of upstream signals from the plurality of remote units.

Abstract translation: 提供双向通信系统。 在一个实施例中，系统包括主机单元和多个使用多址方案的远程单元，以使用正交频分复用（OFDM）与主机单元同时进行通信。 主机单元重复地执行来自至少一个远程单元的至少一个上行信号的传输特性的分析。 所述至少一个远程单元基于由所述主机单元进行的分析来调整所述传输特性，以协助所述主机单元解调来自所述多个远程单元的多个上行信号。

公开(公告)号：US20070280099A1

公开(公告)日：2007-12-06

申请号：US11734686

申请日：2007-04-12

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04J11/00 ,  H04Q7/00

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A bidirectional communication system is provided. In one embodiment, a system comprises a host unit including a multicarrier demodulator and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit multicarrier demodulator using orthogonal frequency division multiplexing (OFDM). Each of the plurality of remote units transmits to the host unit using a multiframe pattern, each multiframe of the multiframe pattern being at least a predetermined plurality of consecutive symbols in duration. The host unit determines a timing error for at least one of the remote units; and the host unit sends a timing adjustment signal to the at least one remote unit so that multiframes received at the host unit from the plurality of remote units are aligned at the host unit.

Abstract translation: 提供双向通信系统。 在一个实施例中，系统包括主机单元，其包括多载波解调器和使用多址方案的多个远程单元同时使用正交频分复用（OFDM）与主机单元多载波解调器进行通信。 多个远程单元中的每一个使用多帧模式发送到主机单元，多帧模式的每个复帧至少是持续时间中的预定多个连续符号。 主机单元确定至少一个远程单元的定时误差; 并且所述主机单元向所述至少一个远程单元发送定时调整信号，使得在所述主机单元处从所述多个远程单元接收的多个帧在所述主机单元处对准。

公开(公告)号：US20070242597A1

公开(公告)日：2007-10-18

申请号：US11773643

申请日：2007-07-05

Applicant: Michael Geile ,  Jeffrey Brede ,  Harold Roberts ,  Michael Fort

Inventor： Michael Geile ,  Jeffrey Brede ,  Harold Roberts ,  Michael Fort

IPC: H04J11/00

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: Systems and methods for scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing are provided. In one embodiment, a system comprises a host unit; and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OFDM); wherein at least one remote unit scans a band of frequencies for a downstream signal from the host unit; wherein the host unit sends an adjustment signal to the at least one remote unit instructing the at least one remote unit to adjust the timing of transmissions from the remote unit to improve orthogonality of an OFDM waveform received at the host unit; and wherein the host unit allocates orthogonal tones within the OFDM waveform to the plurality of remote units.

Abstract translation: 提供了使用正交频分复用在多点到多点通信中由遥控器进行扫描的系统和方法。 在一个实施例中，系统包括主机单元; 以及使用多址方案的多个远程单元同时使用正交频分复用（OFDM）与所述主机单元进行通信; 其中至少一个远程单元从主机单元扫描下行信号的频带; 其中所述主机单元向所述至少一个远程单元发送调整信号，指示所述至少一个远程单元调整来自所述远程单元的传输的定时，以改善在所述主机单元处接收的OFDM波形的正交性; 并且其中所述主机单元将所述OFDM波形内的正交音调分配给所述多个远程单元。

公开(公告)号：US20070223361A1

公开(公告)日：2007-09-27

申请号：US11763166

申请日：2007-06-14

Applicant: Michael Geile

Inventor： Michael Geile

IPC: H04J9/00

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: Methods for orderwire modulation are provided. In one embodiment, a method for an orthogonal frequency division multiplexing multipoint-to-point communications system comprises: establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration; transmitting non-control data on up to a plurality of tones from the first remote unit using an orthogonal frequency division multiplexing (OFDM) waveform, the up to a plurality of tones modulated with the non-control data using a first modulation scheme; and transmitting control signals on up to a plurality of tones from the first remote unit using an orthogonal frequency division multiplexing (OFDM) waveform, the up to a plurality of tones modulated with the control signals using a second, more robust modulation scheme.

Abstract translation: 提供了线性调制方法。 在一个实施例中，一种用于正交频分多路复用多点对点通信系统的方法包括：建立多个远程单元的第一远程单元与主机单元之间的通信，所述多个远程单元通信地耦合到所述主机单元 在多点对点配置中; 使用正交频分复用（OFDM）波形从第一远程单元发送多达多个音调的非控制数据，使用第一调制方案使用非控制数据调制多达多个音调; 以及使用正交频分复用（OFDM）波形从多个音调发送多达多个音调的控制信号，使用第二更稳健的调制方案，利用控制信号调制多达多个音调。

公开(公告)号：US20070206491A1

公开(公告)日：2007-09-06

申请号：US11674508

申请日：2007-02-13

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04J11/00

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A method for an orthogonal frequency division multiplexing multipoint-to-point communications system is provided. The method includes establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point, multiple access configuration, transmitting up to a plurality of tones from the first remote unit, the up to a plurality of tones modulated with upstream information using orthogonal frequency division multiplexing, and receiving information from the host unit to adjust a carrier power for tones transmitted by the first of remote unit so that the tones are substantially orthogonal when received at the host unit.

Abstract translation: 提供了一种用于正交频分复用多点对点通信系统的方法。 该方法包括建立多个远程单元的第一远程单元与主机单元之间的通信，多个远程单元以多点到多点访问配置通信地耦合到主机单元，发送多个 来自第一远程单元的音调，至多多个使用正交频分复用的上行信息调制的音调，以及从主机单元接收信息以调整由第一远程单元发送的音调的载波功率，使得音调为 在主机单元接收时基本正交。

公开(公告)号：US20070204317A1

公开(公告)日：2007-08-30

申请号：US11674919

申请日：2007-02-14

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04N7/173

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A method is provided. The method includes sharing upstream bandwidth capacity among a plurality of remote units in a manner that permits at least two of the remote units to transmit to a host at any one time using the upstream bandwidth capacity, the upstream bandwidth capacity comprising a plurality of orthogonal tones generated using inverse fast Fourier transforms, and causing at least one remote unit to adjust the manner in which symbols are transmitted therefrom on at least one of the plurality of orthogonal tones in order to improve the alignment of symbols received at the host.

Abstract translation: 提供了一种方法。 该方法包括以允许至少两个远程单元在任何时间使用上行带宽容量向主机发送的方式在多个远程单元之间共享上行带宽容量，所述上行带宽容量包括多个正交音调 使用反向快速傅里叶变换产生，并且使得至少一个远程单元调整在多个正交音调中的至少一个上发送符号的方式，以便改善在主机处接收的符号的对准。

公开(公告)号：US20070186261A1

公开(公告)日：2007-08-09

申请号：US11736915

申请日：2007-04-18

Applicant: Michael Geile ,  Harold Roberts

Inventor： Michael Geile ,  Harold Roberts

IPC: H04N7/173 ,  H04N7/18 ,  H04N7/16

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A bidirectional communication system is provided. In one embodiment, a system comprises: a host unit and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OFDM). The host unit allocates only a subset of available orthogonal tones within the OFDM system to at least one of the plurality of remote units. The host unit allocates a number of orthogonal tones to the at least one remote unit for upstream transmission based at least in part on a type of data to be transmitted by the at least one remote unit.

Abstract translation: 提供双向通信系统。 在一个实施例中，系统包括：使用多址方案的主机单元和多个远程单元同时使用正交频分复用（OFDM）与主机单元进行通信。 主机单元仅将OFDM系统内的可用正交音调的子集分配给多个远程单元中的至少一个。 主机单元至少部分地基于要由至少一个远程单元发送的数据的类型，向至少一个远程单元分配多个正交音调用于上行传输。

公开(公告)号：US20070162946A1

公开(公告)日：2007-07-12

申请号：US11687383

申请日：2007-03-16

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04N7/173

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: Systems and methods for bidirectional communication are provided. In one embodiment, a method for aligning communications from a plurality of remote units in a multipoint-to-point orthogonal frequency division multiplexed (OFDM) communications comprises sending a first signal from a host unit to a first remote unit; receiving a second signal transmitted from the first remote unit in response to the first signal; generating at least one timing adjustment signal based at least in part on a round trip delay between the sending of the first signal and the receiving of the second signal; transmitting the timing adjustment signal to the first remote unit; wherein the timing adjustment signal instructs the first remote unit to delay OFDM transmission of data to improve alignment of multiframes at the host unit when communications are received at the host unit from the plurality of remote units.

Abstract translation: 提供了用于双向通信的系统和方法。 在一个实施例中，一种用于在多点对点正交频分复用（OFDM）通信中对准来自多个远程单元的通信的方法包括：将第一信号从主机单元发送到第一远程单元; 响应于所述第一信号接收从所述第一远程单元发送的第二信号; 至少部分地基于所述第一信号的发送和所述第二信号的接收之间的往返延迟来产生至少一个定时调整信号; 将定时调整信号发送到第一远程单元; 其中，当在所述主机单元从所述多个远程单元接收到通信时，所述定时调整信号指示所述第一远程单元延迟数据的OFDM传输，以改善所述主机单元处的多帧的对准。

公开(公告)号：US20070162943A1

公开(公告)日：2007-07-12

申请号：US11672377

申请日：2007-02-07

Applicant: Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

Inventor： Michael Geile ,  Brian Anderson ,  Jeffrey Brede ,  Robert Kirscht ,  Michael Fort ,  Mark Elpers

IPC: H04N7/173 ,  H04N7/16

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: A bidirectional communication system is provided. The system includes a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing. The host unit is communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote unit is configured to transmit up to a plurality of tones and the first remote unit includes a modulator for modulating the plurality of tones with upstream information using orthogonal frequency division multiplexing such that when any tones are transmitted from the first remote unit and at least one other remote unit of the plurality of remote units, the tones are substantially orthogonal when received at the host unit.

公开(公告)号：US20080056398A1

公开(公告)日：2008-03-06

申请号：US11927468

申请日：2007-10-29

Applicant: Mark Dapper ,  Michael Geile ,  Terrance Hill ,  Harold Roberts ,  Brian Anderson ,  Jeffrey Brede ,  Mark Wadman ,  Robert Kirscht ,  James Herrmann ,  Michael Fort ,  Steven Buska ,  Jeff Solum ,  Debra Enfield ,  Darrell Berg ,  Thomas Smigelski ,  Thomas Tucker ,  Joe Hall ,  John Logajan ,  Somvay Boualouang ,  Heng Lou ,  Mark Elpers ,  Matt Downs ,  Tammy Ferris ,  Adam Opoczynski ,  David Russell ,  Calvin Nelson ,  Niranjan Samant ,  Joseph Chiappetta ,  Scott Sarnikowski

Inventor： Mark Dapper ,  Michael Geile ,  Terrance Hill ,  Harold Roberts ,  Brian Anderson ,  Jeffrey Brede ,  Mark Wadman ,  Robert Kirscht ,  James Herrmann ,  Michael Fort ,  Steven Buska ,  Jeff Solum ,  Debra Enfield ,  Darrell Berg ,  Thomas Smigelski ,  Thomas Tucker ,  Joe Hall ,  John Logajan ,  Somvay Boualouang ,  Heng Lou ,  Mark Elpers ,  Matt Downs ,  Tammy Ferris ,  Adam Opoczynski ,  David Russell ,  Calvin Nelson ,  Niranjan Samant ,  Joseph Chiappetta ,  Scott Sarnikowski

IPC: H04K1/10

CPC classification number: H04W24/00 ,  G06F17/14 ,  G06F17/142 ,  H03M13/1515 ,  H03M13/356 ,  H04B10/272 ,  H04H20/69 ,  H04H20/77 ,  H04H20/78 ,  H04H20/79 ,  H04H20/80 ,  H04H60/11 ,  H04H60/86 ,  H04H60/96 ,  H04H60/97 ,  H04J3/14 ,  H04J14/0298 ,  H04K1/00 ,  H04K3/226 ,  H04K3/255 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/24 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/023 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1484 ,  H04L12/10 ,  H04L12/12 ,  H04L12/2801 ,  H04L12/44 ,  H04L25/03866 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2634 ,  H04L27/2647 ,  H04L27/265 ,  H04L27/2652 ,  H04L27/2655 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/34 ,  H04L41/0213 ,  H04L41/064 ,  H04L41/0896 ,  H04L43/00 ,  H04L43/022 ,  H04L43/067 ,  H04L43/0811 ,  H04L43/0817 ,  H04L43/0823 ,  H04L43/0829 ,  H04L43/0847 ,  H04L43/0852 ,  H04L43/0858 ,  H04L43/0864 ,  H04L43/0882 ,  H04L43/16 ,  H04L2001/0093 ,  H04L2027/0036 ,  H04L2027/0057 ,  H04L2027/0067 ,  H04M7/006 ,  H04M9/027 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/2221 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/4382 ,  H04N21/6118 ,  H04N21/6137 ,  H04N21/6168 ,  H04W24/08 ,  Y02D50/40 ,  Y02D50/42

Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals; a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; and a controller programmed to instruct a transmitter to transmit one or more timing adjustments to at least one of the plurality of remote units based on detected variations in transmissions received from the at least one of the plurality of remote units.

Abstract translation: 提供了正交频分复用的系统和方法。 在一个实施例中，多载波调制解调器包括：被配置为从多个频谱重叠的载波信号中的至少一个去调制符号的接收机; 发射机，被配置为将符号调制到多个频谱重叠载波信号中的至少一个; 耦合到所述发射机的处理器，其中所述处理器输出用于由所述发射机发射的数据，其中所述处理器对所述发射机发射的数据进行逆傅立叶变换; 以及控制器，其被编程为基于从所述多个远程单元中的至少一个接收到的传输中检测到的变化来指示发射机向所述多个远程单元中的至少一个发送一个或多个定时调整。