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1. 发明专利

JP2000049748A COMMUNICATION SYSTEM BETWEEN MULTI-POINT TO POINT 失效
公开(公告)号：JP2000049748A
公开(公告)日：2000-02-18
申请号：JP17755099
申请日：1999-06-23
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREED JEFFREY , WADMAN MARK S , CARSHT ROBERT J , HERMAN JAMES J , FORT MICHAEL J , BASKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173
摘要： PROBLEM TO BE SOLVED: To avoid or correct interferences by providing a multiphase filter filtering, at least upstream telephone communication information modulated on a plurality of orthogonal carriers for a demodulator. SOLUTION: An upstream signal is filtered by the band-pass filter 208 of 5-40 MHz and a mixer/synthesizer circuit 211 directly down-converts it into a base band. Output which is down-converted is given to an anti-alias filter 210 for conditioning, and the inphase/right angle phase component of the signal to an A/D converter 212 in the output is time area-sampled. A narrow band ingress filter/FFT 112 gives protection from narrow band interference, giving possibility for affecting upstream transmission and it contains multi-phase structure.

2. 发明申请

WO9624989A2 MULTI-POINT TO POINT COMMUNICATION SYSTEM 审中-公开
标题翻译：多点通信系统
公开(公告)号：WO9624989A2
公开(公告)日：1996-08-15
申请号：PCT/US9601575
申请日：1996-02-06
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173 , H04B10/207 , H04J14/00
CPC分类号： H04L1/0057 , H04B10/272 , H04J3/14 , H04J14/0298 , H04L1/0061 , H04L1/203 , H04L1/24 , H04L5/023 , H04L25/03866 , H04L27/2614 , H04L27/2626 , H04L27/2647 , H04L27/2652 , H04L27/2657 , H04L27/2665 , H04L2001/0096 , H04L2027/0036 , H04L2027/0057 , H04L2027/0067 , H04N7/17309 , H04N21/6118 , H04N21/6168
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The head end further includes a controller operatively connected to the head end multicarrier modem for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system further includes service units, each service unit operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data in the second frequency bandwidth and for receipt of the downstream control data and telephony in the first frequency bandwidth. Each service unit includes a service unit multicarrier modem for modulating at least the upstream telephony information on at least one carrier orthogonal at the head end terminal to another carrier in the second frequency bandwidth and for demodulating at least downstream telephony information modulated on at least a band of a plurality of orthogonal carriers in the first frequency bandwidth. Each service unit also includes a controller operatively connected to the service unit multicarrier modem for controlling the modulation of and demodulation performed by the service unit multicarrier modem. A method of monitoring communication channels, a distributed loop method for adjusting transmission characteristics to allow for transmission of data in a multi-point to point communication system, a polyphase filter technique for providing ingress protection and a scanning method for identifying frequency bands to be used for transmission by service units are also included.
摘要翻译：通信系统包括混合光纤/同轴电缆分配网络。头端提供在混合光纤/同轴电缆分配网络上的第一频带中的电话和控制数据的下行传输，以及在混合光纤/同轴电缆分配网络上以第二频带宽度接收上行电话和控制数据。头端包括头端多载波调制解调器，用于至少在第一频带中的多个正交载波上调制下游电话信息，并且解调至少在第二频带中的多个正交载波上调制的上行电话信息。前端还包括可操作地连接到头端多载波调制解调器的控制器，用于控制下游电话信息和下游控制数据的传输，并用于控制上游控制数据和上游电话信息的接收。该系统还包括服务单元，每个服务单元可操作地连接到混合光纤/同轴电缆分配网络，用于电话的上行传输和第二频率带宽中的控制数据，以及用于在第一频率带宽中接收下游控制数据和电话。每个服务单元包括服务单元多载波调制解调器，用于至少将在头端终端处正交的至少一个载波的第二频带中的上行电话信息调制到第二频带中的另一个载波，并且至少解调在至少一个频带上调制的下游电话信息的第一频率带宽中的多个正交载波。每个服务单元还包括可操作地连接到服务单元多载波调制解调器的控制器，用于控制由服务单元多载波调制解调器执行的调制和解调。监控通信信道的方法，用于调整传输特性以允许多点到点通信系统中的数据传输的分布式环路方法，用于提供入口保护的多相滤波器技术和用于识别要使用的频带的扫描方法也包括服务单位的传输。

3. 发明申请

WO9624995A2 METHOD OF COMMUNICATION CHANNEL MONITORING USING PARITY BITS 审中-公开
标题翻译：使用奇偶性位置的通信信道监测方法
公开(公告)号：WO9624995A2
公开(公告)日：1996-08-15
申请号：PCT/US9601606
申请日：1996-02-06
申请人： ADC TELECOMMUNICATIONS INC
发明人： ANDERSON BRIAN D , ROBERTS HAROLD A , BREDE JEFFREY , BUSKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J3/16 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/14 , H04L25/03 , H04L27/00 , H04L27/26 , H04M11/06 , H04N7/173 , H04B10/24 , H04L1/20 , H04L5/06 , H04L12/28 , H04N7/16
CPC分类号： H04N7/17309 , H04J3/14 , H04L1/0063 , H04L1/24 , H04L5/023 , H04L5/1484 , H04L25/03866 , H04L27/2614 , H04L27/2626 , H04L27/2652 , H04L27/2655 , H04L2027/0036 , H04L2027/0057 , H04L2027/0067
摘要： A method for monitoring at least one telephony communication n-bit channel, wherein one of the bits is a parity bit, includes sampling the parity bit of the n-bit channel. A probable bit error rate is derived from the sampling of the parity bit. The probable bit error rate can be compared to a pre-determined bit error rate value to determine if the at least one telephony communication n-bit channel is corrupted. If the at least one telephony communication n-bit channel is corrupted, the at least one telephony communication n-bit channel is re-allocated to an uncorrupted and unallocated telephony communication n-bit channel. Further, at least one unallocated telephony communication channel can be periodically monitored and error data accumulated to indicate the quality thereof.
摘要翻译：一种用于监视至少一个电话通信n比特信道的方法，其中所述比特之一是奇偶校验位，包括对所述n比特信道的奇偶校验比特进行采样。从奇偶校验位的采样导出可能的误码率。可以将可能的误码率与预定的误比特率值进行比较，以确定至少一个电话通信n位信道是否损坏。如果至少一个电话通信n位信道被破坏，则至少一个电话通信n位信道被重新分配给未被分配和未分配的电话通信n位信道。此外，可以周期性地监视至少一个未分配的电话通信信道，并且累积错误数据以指示其质量。

4. 发明专利

CA2453897C COMMUNICATION SYSTEM WITH MULTICARRIER TELEPHONY TRANSPORT 未知
公开(公告)号：CA2453897C
公开(公告)日：2010-09-21
申请号：CA2453897
申请日：1997-01-24
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P , SOLUM JEFF , ENFIELD DEBRA LEA , BERG DARRELL , SMIGELSKI THOMAS , TUCKER THOMAS C , HALL JOE , LOGAJAN JOHN M , BOUALOUANG SOMVAY , LOU HENG , ELPERS MARK D , DOWNS MATT , FERRIS TAMMY , OPOCZYNSKI ADAM , RUSSELL DAVID S , NELSON CALVIN G , SAMANT NIRANJAN R , CHIAPPETTA JOSEPH F , SARNIKOWSKI SCOTT
IPC分类号： H04L12/12 , H04L27/00 , H04L29/02 , H04L29/06 , H04M11/06 , H04N7/10 , H04N7/167 , H04N7/173
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The system includes service units, operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data and for receipt of the downstreaan control data and telephony. Also provided is a method and apparatus for performing a Fast Fourier Transform (FFT).

5. 发明专利

FI20085830A 未知
公开(公告)号：FI20085830A
公开(公告)日：2008-09-05
申请号：FI20085830
申请日：2008-09-05
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The head end further includes a controller operatively connected to the head end multicarrier modem for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system further includes service units, each service unit operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data in the second frequency bandwidth and for receipt of the downstream control data and telephony in the first frequency bandwidth. Each service unit includes a service unit multicarrier modem for modulating at least the upstream telephony information on at least one carrier orthogonal at the head end terminal to another carrier in the second frequency bandwidth and for demodulating at least downstream telephony information modulated on at least a band of a plurality of orthogonal carriers in the first frequency bandwidth. Each service unit also includes a controller operatively connected to the service unit multicarrier modem for controlling the modulation of and demodulation performed by the service unit multicarrier modem. A method of monitoring communication channels, a distributed loop method for adjusting transmission characteristics to allow for transmission of data in a multi-point to point communication system, a polyphase filter technique for providing ingress protection and a scanning method for identifying frequency bands to be used for transmission by service units are also included.

6. 发明专利

FI20085728A 未知
公开(公告)号：FI20085728A
公开(公告)日：2008-07-15
申请号：FI20085728
申请日：2008-07-15
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The head end further includes a controller operatively connected to the head end multicarrier modem for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system further includes service units, each service unit operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data in the second frequency bandwidth and for receipt of the downstream control data and telephony in the first frequency bandwidth. Each service unit includes a service unit multicarrier modem for modulating at least the upstream telephony information on at least one carrier orthogonal at the head end terminal to another carrier in the second frequency bandwidth and for demodulating at least downstream telephony information modulated on at least a band of a plurality of orthogonal carriers in the first frequency bandwidth. Each service unit also includes a controller operatively connected to the service unit multicarrier modem for controlling the modulation of and demodulation performed by the service unit multicarrier modem. A method of monitoring communication channels, a distributed loop method for adjusting transmission characteristics to allow for transmission of data in a multi-point to point communication system, a polyphase filter technique for providing ingress protection and a scanning method for identifying frequency bands to be used for transmission by service units are also included.

7. 发明专利

CA2211117C MULTI-POINT TO POINT COMMUNICATION SYSTEM 未知
公开(公告)号：CA2211117C
公开(公告)日：2001-04-03
申请号：CA2211117
申请日：1996-02-06
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , FORT MICHAEL J , BUSKA STEVEN P , GEILE MICHAEL J , HILL TERRANCE J , HERRMANN JAMES J , KIRSCHT ROBERT J , WADMAN MARK S , ROBERTS HAROLD A , BREDE JEFFREY , ANDERSON BRIAN D
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173 , H04M11/06 , H04N7/10 , H04M3/22 , H04N7/22
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The head end further includes a controller operatively connected to the head end multicarrier modem for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system further includes service units, each service unit operatively connected to the hybrid fiber/coax dist ribution network for upstream transmission of telephony and control data in the second frequency bandwidth and for receipt of the downst ream control data and telephony in the first frequency b andwidth. Each service unit includes aservice unit multicarrier modem for modulating a t least the upstream telephony information at least one carrier orthogonal at the head end terminal to another carrier in the second frequency bandwidth and for demodulating at least downs tream telephony information modulated on at least a band of a plurality of orthogo nal carriers in the first frequency bandwidth. Each serv ice unit also includes a controller operatively connected to the service unit multica rrier modem for controlling the modulation of and demodu lation performed by the service unit multicarrier modem. A method of monitoring com munication channels, a distributed loop method for adjus ting transmission characteristics to allow for transmission of data in a multi-po int to point communication system, a polyphase filter te chnique for providing ingress protection and a scanning method for identifying frequ ency bands to be used for transmission by service units are also included.

8. 发明专利

FI973134A0 未知
公开(公告)号：FI973134A0
公开(公告)日：1997-07-28
申请号：FI973134
申请日：1996-02-06
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P
IPC分类号： H04B10/272 , H04J3/14 , H04J11/00 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/06 , H04L25/03 , H04L27/00 , H04L27/26 , H04M3/00 , H04N7/173 , H04B , H04L
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The head end further includes a controller operatively connected to the head end multicarrier modem for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system further includes service units, each service unit operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data in the second frequency bandwidth and for receipt of the downstream control data and telephony in the first frequency bandwidth. Each service unit includes a service unit multicarrier modem for modulating at least the upstream telephony information on at least one carrier orthogonal at the head end terminal to another carrier in the second frequency bandwidth and for demodulating at least downstream telephony information modulated on at least a band of a plurality of orthogonal carriers in the first frequency bandwidth. Each service unit also includes a controller operatively connected to the service unit multicarrier modem for controlling the modulation of and demodulation performed by the service unit multicarrier modem. A method of monitoring communication channels, a distributed loop method for adjusting transmission characteristics to allow for transmission of data in a multi-point to point communication system, a polyphase filter technique for providing ingress protection and a scanning method for identifying frequency bands to be used for transmission by service units are also included.

9. 发明申请

WO9748197A3 COMMUNICATION SYSTEM WITH MULTICARRIER TELEPHONY TRANSPORT 审中-公开
标题翻译：具有多媒体电话传输的通信系统
公开(公告)号：WO9748197A3
公开(公告)日：1997-12-18
申请号：PCT/US9708533
申请日：1997-05-20
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P , SOLOM JEFF , ENFIELD DEBRA LEA , BERG DARRELL , SMIGELSKI THOMAS , TUCKER THOMAS C , HALL JOE , LOGAJAN JOHN M , BOUALOUANG SOMVAY , LOU HENG , ELPERS MARK D , DOWNS MATT , FERRIS TAMMY , OPOCZYNSKI ADAM , RUSSELL DAVID S , NELSON CALVIN G , SAMANT NIRANJAN R , CHIAPPETTA JOSEPH F , SARNIKOWSKI SCOTT
IPC分类号： G06F17/14 , H04B10/272 , H04H20/69 , H04H20/76 , H04H20/77 , H04H20/78 , H04H20/79 , H04H20/80 , H04H60/86 , H04H60/96 , H04H60/97 , H04J3/14 , H04J14/02 , H04L1/00 , H04L1/24 , H04L5/02 , H04L5/14 , H04L12/10 , H04L12/12 , H04L12/24 , H04L12/26 , H04L12/28 , H04L12/44 , H04L25/03 , H04L27/00 , H04L27/26 , H04L27/34 , H04M7/00 , H04M9/02 , H04N7/173 , H04N7/22 , H04N21/222 , H04N21/2383 , H04N21/2385 , H04N21/24 , H04N21/438 , H04N21/61
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： The comminication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequeny bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating at least downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers in the second frequency bandwidth. The system includes service units operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data and for receipt of the downstram control data and telephony. Also provided is a method and apparatus for performing a Fast Fourier Transform (FFT).
摘要翻译：粉碎系统包括混合纤维/同轴电缆分配网络。前端提供在混合光纤/同轴电缆分配网络上的第一频带中的电话和控制数据的下行传输，以及通过混合光纤/同轴电缆分配网络以第二频率带宽接收上行电话和控制数据。头端包括头端多载波调制解调器，用于在第一频带中对多个正交载波调制至少下游电话信息，并且解调至少在第二频带中的多个正交载波上调制的上行电话信息。该系统包括可操作地连接到混合光纤/同轴电缆分配网络的服务单元，用于电话和控制数据的上行传输以及用于接收下行链路控制数据和电话。还提供了一种用于执行快速傅里叶变换（FFT）的方法和装置。

10. 发明申请

WO9727550A2 COMMUNICATION SYSTEM WITH MULTICARRIER TELEPHONY TRANSPORT 审中-公开
标题翻译：具有多媒体电话传输的通信系统
公开(公告)号：WO9727550A2
公开(公告)日：1997-07-31
申请号：PCT/US9701444
申请日：1997-01-24
申请人： ADC TELECOMMUNICATIONS INC
发明人： DAPPER MARK J , GEILE MICHAEL J , HILL TERRANCE J , ROBERTS HAROLD A , ANDERSON BRIAN D , BREDE JEFFREY , WADMAN MARK S , KIRSCHT ROBERT J , HERRMANN JAMES J , FORT MICHAEL J , BUSKA STEVEN P , SOLUM JEFF , ENFIELD DEBRA LEA , BERG DARRELL , SMIGELSKI THOMAS , TUCKER THOMAS C , HALL JOE , LOGAJAN JOHN M , BOUALOUANG SOMWAY , LOU HENG , ELPERS MARK D , DOWNS MATT , FERRIS TAMMY , OPOCZYNSKI ADAM , RUSSELL DAVID S , NELSON CALVIN G , SAMANT NIRANJAN R , CHIAPPETTA JOSEPH F , SARNIKOWSKI SCOTT
IPC分类号： G06F17/14 , H04H20/78 , H04H20/81 , H04H60/97 , H04L1/00 , H04L5/02 , H04L5/14 , H04L25/03 , H04L27/26 , H04L27/34 , H04M7/00 , H04M9/02 , H04N7/173 , H04N7/24
CPC分类号： H04H20/78 , G06F17/14 , H04H20/81 , H04H60/97 , H04L1/004 , H04L1/0045 , H04L1/0057 , H04L5/023 , H04L5/14 , H04L5/143 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2628 , H04L27/265 , H04L27/34 , H04M7/006 , H04M9/027 , H04N7/17309 , H04N21/2383 , H04N21/4382
摘要： The communication system includes a hybrid fiber/coax distribution network. A head end provides for downstream transmission of telephony and control data in a first frequency bandwidth over the hybrid fiber/coax distribution network and reception of upstream telephony and control data in a second frequency bandwidth over the hybrid fiber/coax distribution network. The head end includes a head end multicarrier modem for modulating downstream telephony information on a plurality of orthogonal carriers in the first frequency bandwidth and demodulating upstream telephony information modulated on aplurality of orthogonal carriers in the second frequency bandwidth. The system includes service units, operatively connected to the hybrid fiber/coax distribution network for upstream transmission of telephony and control data and for receipt of the downstream control data and telephony. Also provided is a method and apparatus for performing a Fast Fourier Transform (FFT).
摘要翻译：通信系统包括混合光纤/同轴电缆分配网络。头端提供在混合光纤/同轴电缆分配网络上的第一频带中的电话和控制数据的下行传输，以及在混合光纤/同轴电缆分配网络上以第二频带宽度接收上行电话和控制数据。前端包括头端多载波调制解调器，用于调制第一频带宽度上的多个正交载波上的下行电话信息，并且解调在第二频带宽度中在多个正交载波上调制的上行电话信息。该系统包括可操作地连接到混合光纤/同轴电缆分配网络的服务单元，用于电话和控制数据的上行传输以及用于接收下游控制数据和电话。还提供了一种用于执行快速傅里叶变换（FFT）的方法和装置。

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