Methods for making active channel measurements in a personal base station environment
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United States of America Patent
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Mar 10, 1998
Grant Date -
N/A
app pub date -
Dec 21, 1995
filing date -
Dec 21, 1995
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Abstract
A wireless communications system (1) has at least one base station, such as a personal base station (5), and a plurality of mobile stations (10) capable of wireless slotted communications with the at least one personal base station. A method includes a step of periodically deactivating, for a predetermined period of time, a base station transmitter (32) from transmitting a RF signal to at least one MS. A next step, executed during the predetermined period of time, operates a base station receiver (34) to perform a received signal strength (RSS) measurement. In a first embodiment of this invention the step of deactivating includes a preliminary step of reserving a reverse slot for use by the base station, thereby insuring that a mobile station will not transmit during the reserved slot. In this case the RSS measurement occurs during the reserved slot. In a second embodiment of this invention the step of deactivating includes an initial step of transmitting at least a synchronizing data pattern during the predetermined interval before disabling the transmitter, thereby enabling a mobile station to maintain synchronization with the base station even through the transmitter is switched off.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- NOKIA MOBILE PHONES LTD.;NOKIA TECHNOLOGIES OY
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Vayrynen, Mika J | Oulu, FI | 2 | 97 |
Ylitervo, Matti Kalle Aukusti | Oulu, FI | 1 | 93 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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