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1.
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
Applicant: ADC TELECOMMUNICATIONS INC
Inventor: 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: 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 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: 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).
Abstract translation: 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。
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2.
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
Applicant: ADC TELECOMMUNICATIONS INC
Inventor: 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: 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 classification number: 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
Abstract: 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).
Abstract translation: 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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