发明名称 |
METHOD AND APPARATUS TO IMPROVE PSTN ACCESS TO WIRELESS SUBSCRIBERS USING A LOW BIT RATE SYSTEM |
摘要 |
A method of cellular communication among a subscriber unit, a base station and a switch controller is provided which comprises the steps of digitally encoding speech signals at the subscriber unit; generating radio forward error correction (FEC) at the subscriber unit to protect the encoded speech signals during transmission; transmitting the encoded speech signals together with the radio FEC by radio from the subscriber unit to the base station; error correcting the transmitted encoded speech signals at the base station using the radio FEC; generating wire FEC to protect the encoded speech signals during transmission; transmitting the encoded speech signals together with the wire FEC from the base station to the controller; error correcting the transmitted encoded speech signals at the controller using the wire FEC; and decoding the digitally encoded speech signals at the controller. |
申请公布号 |
WO9627963(A2) |
申请公布日期 |
1996.09.12 |
申请号 |
WO1996US03027 |
申请日期 |
1996.03.06 |
申请人 |
DIVA COMMUNICATIONS, INC. |
发明人 |
HAOUI, AMINE;FAWAZ, AYMAN;KAVALER, ROBERT |
分类号 |
H03M13/29;H04L1/00;H04M1/72;H04W88/02;H04W88/18 |
主分类号 |
H03M13/29 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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