发明名称 |
Dual mode symmetric/asymmetric communication control system |
摘要 |
A satellite-cellular communication system includes a satellite based transceiver for transceiving two-way communications originated at a user terminal. As a part of call set up, a controller determines whether the user terminal should transmit in the uplink in either a wide band mode of operation or in a narrow band mode of operation. The controller then specifies to the user terminal the mode of operation through the transceiver. Whether the user terminal transmits in the uplink in a wide band or in a narrow band mode depends upon factors including the type of device, channel usage and efficiency in the channels to and from the satellite transceiver and the signal quality of the signals received at the transceiver. |
申请公布号 |
AU4999397(A) |
申请公布日期 |
1998.05.15 |
申请号 |
AU19970049993 |
申请日期 |
1997.10.22 |
申请人 |
ERICSSON INC. |
发明人 |
AMER A HASSAN;STANLEY L REINHOLD;NILS RUTGER RYDBECK |
分类号 |
H04B7/26;H04B7/15;H04B7/185 |
主分类号 |
H04B7/26 |
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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