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1. 发明授权

US06411235B1 Dynamic range extension with gain correction 有权
标题翻译：动态范围扩展与增益校正
公开(公告)号：US06411235B1
公开(公告)日：2002-06-25
申请号：US09602747
申请日：2000-06-23
申请人： Aravanan Gurusami , Joseph F. Chiappetta , Niranjan Samant , Donald T. Wesson
发明人： Aravanan Gurusami , Joseph F. Chiappetta , Niranjan Samant , Donald T. Wesson
IPC分类号： H03M162
CPC分类号： H04W52/52 , H03G3/3036
摘要： A method for controlling gain in a network is provided. The method includes receiving signals for transmission over a network and adjusting the level of the received signals. The method further includes inserting an additional signal indicative of the level adjustment and transmitting the signals and the additional signal over the network. The method also includes extracting the additional signal after transmission over the network and compensating for the level adjustment based on the extracted signal.
摘要翻译：提供了一种用于控制网络中的增益的方法。该方法包括接收通过网络传输的信号并调整接收信号的电平。该方法还包括插入指示电平调整的附加信号，并通过网络发送信号和附加信号。该方法还包括在通过网络传输之后提取附加信号，并且基于提取的信号补偿电平调整。

2. 发明授权

US06643471B2 Increased transmission capacity for a fiber-optic link 有权
公开(公告)号：US06643471B2
公开(公告)日：2003-11-04
申请号：US09824433
申请日：2001-04-02
申请人： Aravanan Gurusami , Joseph F. Chiappetta
发明人： Aravanan Gurusami , Joseph F. Chiappetta
IPC分类号： H04B1004
CPC分类号： H04L25/49 , H04B10/6931
摘要： An optical communication system is provided. The optical communication system includes an optical fiber, an optical transmitter, and an optical receiver. The optical transmitter is coupled to the optical fiber. The optical transmitter is adapted to encode a pulse amplitude modulated optical signal based on at least two, independent input signals. The optical receiver is coupled to the optical fiber. The optical receiver is adapted to decode the pulse amplitude modulated optical signal to reproduce the at least two, independent input signals as output signals.

3. 发明授权

US06963697B2 Increased transmission capacity for a fiber-optic link 有权
公开(公告)号：US06963697B2
公开(公告)日：2005-11-08
申请号：US10696025
申请日：2003-10-29
申请人： Aravanan Gurusami , Joseph F. Chiappetta
发明人： Aravanan Gurusami , Joseph F. Chiappetta
IPC分类号： H04B10/152 , H04L25/49 , H04B10/06
CPC分类号： H04L25/49 , H04B10/6931
摘要： A method of decoding a signal in an optical fiber. In one embodiment the method includes receiving the optical signal, wherein the optical signal is a pulse amplitude modulated signal. Converting the optical signal to an electrical signal. Comparing the electrical signal with a plurality of levels. Producing comparison output signals based on the comparison of the electrical signal with the plurality of levels. Processing the comparison output signals on a clock to produce processed output signals and latching the processed output signals on a clock signal to generate the plurality of serial, digital data streams.

4. 发明申请

US20090080554A1 TONE ALLOCATION IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING 失效
标题翻译：使用正交频分多路复用的多点到点通信中的音调分配
公开(公告)号：US20090080554A1
公开(公告)日：2009-03-26
申请号：US12272542
申请日：2008-11-17
申请人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
发明人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
IPC分类号： H04J11/00
CPC分类号： 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
摘要： Systems and methods for OFDM tone allocation are provided. In one embodiment, an end-user communication device comprises: a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing (OFDM), the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration, wherein OFDM waveform from distinct remote units of the plurality of remote units combine to a unified OFDM waveform at the host unit. The first remote unit is configured to transmit up to a plurality of tones, the up to a plurality of tones modulated with upstream information using OFDM. The first remote unit is configured to determine when bandwidth is needed for upstream transmission to the host unit. The first remote unit is configured to transmit a request for bandwidth to the host unit on a first tone of the plurality of tones, wherein access to the first tone is contention-based.
摘要翻译：提供了OFDM音调分配的系统和方法。在一个实施例中，终端用户通信设备包括：第一远程单元，用于使用正交频分复用（OFDM）与主机单元通信，所述主机单元以多点对点配置通信地耦合到多个远程单元其中来自多个远程单元的不同远程单元的OFDM波形在主机单元处组合成统一的OFDM波形。第一远程单元被配置为发送多达多个音调，最多多个音调通过上行信息使用OFDM调制。第一远程单元被配置为确定上行传输到主机单元何时需要带宽。第一远程单元被配置为以多个音调的第一音调向主机单元发送带宽请求，其中对第一音调的访问是基于争用的。

5. 发明申请

US20080240410A1 SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING 有权
标题翻译：正交频分复用的系统与方法
公开(公告)号：US20080240410A1
公开(公告)日：2008-10-02
申请号：US11927498
申请日：2007-10-29
申请人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
发明人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
IPC分类号： H04M1/00
CPC分类号： 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
摘要： Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remote units, wherein the plurality of spectrally overlapping carrier signals are modulated using an inverse Fourier transform algorithm; a transmitter; a processor coupled to the transmitter, wherein the processor outputs data for transmission to the transmitter, wherein the processor applies an inverse Fourier transform algorithm to the data provided to the transmitter; and a controller programmed to analyze a training signal received from a first remote unit and adjust receiver equalizer parameters based on the training signal.
摘要翻译：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：接收机，被配置为从多个远程单元中的至少两个接收包括多个频谱重叠的载波信号的波形，其中所述多个频谱重叠的载波信号使用逆傅立叶变换算法; 发射机耦合到所述发射机的处理器，其中所述处理器输出用于传输到所述发射机的数据，其中所述处理器对提供给所述发射机的数据应用傅里叶逆变换算法; 以及控制器，被编程为分析从第一远程单元接收的训练信号，并且基于训练信号调整接收机均衡器参数。

6. 发明授权

US06657570B1 Automatic level control for input to analog to digital converter 有权
标题翻译：自动电平控制输入到模数转换器
公开(公告)号：US06657570B1
公开(公告)日：2003-12-02
申请号：US09599701
申请日：2000-06-22
申请人： Joseph F. Chiappetta
发明人： Joseph F. Chiappetta
IPC分类号： H03M110
CPC分类号： H03M1/186
摘要： An analog to digital conversion circuit is provided. The analog to digital (A/D) conversion circuit includes an input adapted to receive an analog signal. The A/D conversion circuit further includes a variable attenuator that is coupled to the input and that has a feedback control input. The A/D conversion circuit further includes a converter that is responsive to the variable attenuator and that converts analog input signals to digital output signals. A feedback loop is also provided. The feedback loop is responsive to an overflow indicator of the converter. The feedback loop is adapted to produce a feedback signal based on the overflow indicator and is adapted to provide the feedback signal to the feedback control input of the variable attenuator so as to maintain the peak level of the input to the converter substantially near an acceptable peak input level for the converter.
摘要翻译：提供模数转换电路。模数（A / D）转换电路包括适于接收模拟信号的输入端。 A / D转换电路还包括耦合到输入并具有反馈控制输入的可变衰减器。 A / D转换电路还包括响应于可变衰减器并将模拟输入信号转换为数字输出信号的转换器。还提供了一个反馈回路。反馈回路响应于转换器的溢出指示器。反馈回路适于基于溢出指示器产生反馈信号，并且适于将反馈信号提供给可变衰减器的反馈控制输入，以便将输入到转换器的峰值电平基本上接近可接受的峰值转换器的输入电平。

7. 发明授权

US06418558B1 Hybrid fiber/coax video and telephony communication 失效
标题翻译：混合光纤/同轴视频和电话通信
公开(公告)号：US06418558B1
公开(公告)日：2002-07-09
申请号：US08899222
申请日：1997-07-23
申请人： Harold A. Roberts , David S. Russell , Calvin G. Nelson , Jeffrey Brede , Joseph F. Chiappetta , Niranjan R. Samant
发明人： Harold A. Roberts , David S. Russell , Calvin G. Nelson , Jeffrey Brede , Joseph F. Chiappetta , Niranjan R. Samant
IPC分类号： H04N714
CPC分类号： 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
摘要： A video and telephony signal distribution network is provided. The network includes a head end for transmitting to a plurality of remote units. The network further includes at least one optical/electrical converter unit that transmits to the remote units over at least two coaxial cables coupled to a common optical/electrical converter unit. Each remote unit transmits upstream electrical data signals over its associated coaxial cable to the optical/electrical converter unit using a common bandwidth. The optical/electrical converter unit converts and frequency shifts the upstream electrical data signals from at least one remote unit to form an optical upstream data signal for transmittal to the head end such that the frequency spectrum used for the upstream communications is simultaneously used on each of the coaxial cables of to optical/electrical converter unit.
摘要翻译：提供视频和电话信号分配网络。网络包括用于发送到多个远程单元的头端。网络还包括至少一个光/电转换器单元，其通过耦合到公共光/电转换器单元的至少两个同轴电缆传输到远程单元。每个远程单元通过其相关联的同轴电缆将上行电气数据信号发送到光/电转换器单元，使用公共带宽。光/电转换器单元将来自至少一个远程单元的上游电数据信号转换并频移，以形成用于传送到头端的光上游数据信号，使得用于上行通信的频谱同时用于光/电转换器单元的同轴电缆。

8. 发明申请

US20090080552A1 SYSTEM FOR MULTIPLE USE SUBCHANNELS 审中-公开
标题翻译：多用途子频道系统
公开(公告)号：US20090080552A1
公开(公告)日：2009-03-26
申请号：US12272529
申请日：2008-11-17
申请人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
发明人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
IPC分类号： H04L27/28
CPC分类号： 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
摘要： Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote unit for communicating with a host using OFDM, the host 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, the up to a plurality of tones modulated with upstream information using OFDM, the first remote unit including a modulator for modulating the up to a plurality of tones using OFDM. The modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that when any tones are transmitted from the first remote unit and at least one other remote unit, the orthogonality of the tones when received at the host unit is improved. Both control data and payload data are transmitted on a first tone of the plurality of tones.
摘要翻译：提供了多用途子信道的系统。在一个实施例中，双向通信系统包括：用于使用OFDM与主机通信的第一远程单元，所述主机以多点对点配置通信地耦合到多个远程单元。第一远程单元被配置为发送多达多个音调，多达多个音调通过上行信息使用OFDM调制，第一远程单元包括调制器，用于使用OFDM调制多达多个音调。调制器被配置为调整多个音调的载波频率和定时，使得当从第一远程单元和至少一个其他远程单元发送任何音调时，提高在主机单元处接收时的音调的正交性。控制数据和有效载荷数据两者都以多个音调的第一音调发送。

9. 发明申请

US20080253435A1 SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING 审中-公开
标题翻译：正交频分复用的系统与方法
公开(公告)号：US20080253435A1
公开(公告)日：2008-10-16
申请号：US11927491
申请日：2007-10-29
申请人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
发明人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
IPC分类号： H04B1/38
CPC分类号： 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
摘要： Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remote units, wherein the plurality of spectrally overlapping carrier signals are modulated using an inverse Fourier transform algorithm; and a processor coupled to the receiver, wherein the processor applies a Fourier transform algorithm to demultiplex upstream data modulated onto the waveform by the at least two of a plurality of remote units
摘要翻译：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远程单元中的至少两个接收包括多个频谱重叠的载波信号的波形的接收机，其中使用反傅立叶变换调制多个频谱重叠的载波信号变换算法; 以及耦合到所述接收器的处理器，其中所述处理器应用傅里叶变换算法来解复用多个远程单元中的所述至少两个来调制到所述波形上的上行数据

10. 发明申请

US20080240214A1 SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING 有权
标题翻译：正交频分复用的系统与方法
公开(公告)号：US20080240214A1
公开(公告)日：2008-10-02
申请号：US11927495
申请日：2007-10-29
申请人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
发明人： Mark J. Dapper , Michael J. Geile , Terrance J. Hill , Harold A. Roberts , Brian D. Anderson , Jeffrey Brede , Mark S. Wadman , Robert J. Kirscht , James J. Herrmann , Michael J. Fort , Steven P. Buska , Jeff Solum , Debra Lea Enfield , Darrell Berg , Thomas Smigelski , Thomas C. Tucker , Joe Hall , John M. Logajan , Somvay Boualouang , Heng Lou , Mark D. Elpers , Matt Downs , Tammy Ferris , Adam Opoczynski , David S. Russell , Calvin G. Nelson , Niranjan R. Samant , Joseph F. Chiappetta , Scott Sarnikowski
IPC分类号： H04B1/38 , H04L27/28
CPC分类号： 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
摘要： Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remote units, wherein the plurality of spectrally overlapping carrier signals are modulated using an inverse Fourier transform algorithm; a transmitter; a processor coupled to the transmitter, wherein the processor outputs data for transmission to the transmitter, wherein the processor applies an inverse Fourier transform algorithm to the data provided to the transmitter; a controller programmed to instruct the transmitter to transmit a predetermined identifier on at least one of the spectrally overlapping carrier signals, the predetermined identifier identifying to a first remote unit a range of the plurality of spectrally overlapping carrier signals for the first remote unit to receive control information.
摘要翻译：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：接收机，被配置为从多个远程单元中的至少两个接收包括多个频谱重叠的载波信号的波形，其中所述多个频谱重叠的载波信号使用逆傅立叶变换算法; 发射机耦合到所述发射机的处理器，其中所述处理器输出用于传输到所述发射机的数据，其中所述处理器对提供给所述发射机的数据应用傅里叶逆变换算法; 控制器，其被编程为指示发射机在至少一个频谱重叠的载波信号上发送预定的标识符，该预定标识符向第一远程单元标识多个频谱重叠的载波信号的范围，用于第一远程单元接收控制信息。

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