| 发明名称 |
METHOD AND APPARATUS FOR WIDEBAND TRANSMISSION OF DIGITAL SIGNALS BETWEEN, FOR EXAMPLE, A TELEPHONE CENTRAL OFFICE AND CUSTOMER PREMISES |
| 摘要 |
METHOD AND APPARATUS FOR WIDEBAND TRANSMISSION OF DIGITAL SIGNALS BETWEEN, FOR EXAMPLE, A TELEPHONE CENTRAL OFFICE AND CUSTOMER PREMISES In a telephone local loop transmission arrangment, data is communicated from the customer premises to the central office utilizing a multi-dimensional, passband signal illustratively at 480 kb/s and 1.544 Mb/s. |
| 申请公布号 |
CA1304848(C) |
申请公布日期 |
1992.07.07 |
| 申请号 |
CA19890593896 |
申请日期 |
1989.03.16 |
| 申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
GITLIN, RICHARD D.;RAO, SAILESH K.;WERNER, JEAN-JACQUES;ZERVOS, NICHOLAS |
| 分类号 |
H04L25/49;H04L27/00;H04L27/34;H04M3/00;H04M11/00 |
主分类号 |
H04L25/49 |
| 代理机构 |
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代理人 |
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