HIGH SPEED COMMUNICATIONS SYSTEM FOR ANALOG SUBSCRHIGH SPEED COMMUNICATIONS SYSTEM FOR ANALOG SUBSCRIBER CONNECTIONS IBER CONNECTIONS |
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| 申请号 | PCT/US9515924 | 申请日 | 1995-12-04 | 公开(公告)号 | WO9618261A3 | 公开(公告)日 | 1996-08-29 |
| 申请人 | TOWNSHEND BRENT; | 发明人 | TOWNSHEND BRENT; | ||||
| 摘要 | A new data communication system is described which enables data transmission over existing telephone lines at rates higher than possible with existing methods, including conventional modems. By using a novel asymmetric configuration of the two communication endpoints, the currently-accepted maximum theoretical limits on the data rate are no longer applicable. One endpoint is connected directly to a digital telephone network, whereas the other endpoint uses a conventional telephone connection. This reduces the transmission problem to compensation for a single telephone line interface and a single analog local loop. Means of providing this compensation and the required clock synchronization were also created, enabling a practical implementation of the system. The new system can achieve rates up to 64,000 bits-per-second and has broad utility in several active areas including wide-band audio transmission, video transmission, networking, facsimile transmission, and remote computer access. | ||||||
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