US5574982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for regulating a power level of a transmitted radio signal
Assignee: Unwired Planet LLC
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Filing: 1993-05-14
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Granted: 1996-11-12
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Expires: 2013-05-14
Abstract
Abstract A method of and apparatus for stable regulation of transmission power level in a radio system use the carrier-to-interference (C/I) ratio of the communication channel. A C/I target that is a monotonically decreasing function of the interference on the channel is used for regulating the transmission power level. Thus, as the interference increases the transmission power increases to compensate, but to a level yielding a lower C/I level. The path loss or gain of the channel may also be determined and used in the regulation.
Inventors
- 👤 Magnus K. Almgren
- 👤 Claes H. Andersson
- 👤 Erik O. Grimlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:36
CPC Classifications
H; H04; H04W; H04W52/00; H04W52/04; H04B; H04B7/00; H04B7/005
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
189 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and ordering the transmitting station to transmit the radio signal at the new transmission power level; wherein the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 2
Dependent Claim
189 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and ordering the transmitting station to transmit the radio signal at the new transmission power level; wherein the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 3
Dependent Claim
18 words
The method of claim 1, wherein the transmitting station is a mobile station in a cellular telephone system.
Claim 4
Dependent Claim
205 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and ordering the transmitting station to transmit the radio signal at the new transmission power level; wherein the quality criterion is one of a bit error rate and a bit error content; and the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 5
Dependent Claim
205 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and ordering the transmitting station to transmit the radio signal at the new transmission power level; wherein the quality criterion is one of a bit error rate and a bit error content; and the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 6
Dependent Claim
215 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; ordering the transmitting station to transmit the radio signal at the new transmission power level; measuring a received power level associated with the received signal; and determining a channel gain based on the received power level and the known transmission power level; wherein the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 7
Dependent Claim
215 words
In a radio communication system having a plurality of transmitting stations, a method of regulating a power level of a radio signal transmitted through a channel from a transmitting station to a receiving station comprising the steps of: receiving the radio signal, the radio signal being transmitted at a known transmission power level by the transmitting station; measuring a quality criterion associated with the received signal that was transmitted at the known transmission power level; determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; ordering the transmitting station to transmit the radio signal at the new transmission power level; measuring a received power level associated with the received signal; and determining a channel gain based on the received power level and the known transmission power level; wherein the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 8
Dependent Claim
18 words
The method of claim 4, wherein the transmitting station is a mobile station in a cellular telephone system.
Claim 9
Independent Claim
159 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and means for ordering the transmitting station to transmit at the new transmission power level; wherein the determining means determines the new transmission power level so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal transmitted at the new transmission power level is worse than the quality criterion associated with the received signal transmitted at the known transmission power level.
Claim 10
Independent Claim
159 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and means for ordering the transmitting station to transmit at the new transmission power level; wherein the determining means determines the new transmission power level so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal transmitted at the new transmission power level is worse than the quality criterion associated with the received signal transmitted at the known transmission power level.
Claim 11
Dependent Claim
18 words
The apparatus of claim 6, wherein the transmitting station is a mobile station in a cellular telephone system.
Claim 12
Independent Claim
177 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and means for ordering the transmitting station to transmit at the new transmission power level; wherein the quality criterion is one of a bit error rate and a bit error content; and the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 13
Independent Claim
177 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; and means for ordering the transmitting station to transmit at the new transmission power level; wherein the quality criterion is one of a bit error rate and a bit error content; and the new transmission power level is determined so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal that was transmitted at the new transmission power level is worse than the quality criterion associated with the received signal that was transmitted at the known transmission power level.
Claim 14
Independent Claim
202 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; means for ordering the transmitting station to transmit at the new transmission power level; means for measuring a received power level associated with the received signal; and means for determining a channel gain based on the received power level and the known transmission power level; wherein the new transmission power level is further based on the channel gain; and the determining means determines the new transmission power level so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal transmitted at the new transmission power level is worse than the quality criterion associated with the received signal transmitted at the known transmission power level.
Claim 15
Independent Claim
202 words
An apparatus for regulating a transmission power level of a transmitting station in a radio communication system comprising: means for receiving a radio signal transmitted at a known transmission power level by the transmitting station; means for measuring a quality criterion associated with the received signal; means for determining a new transmission power level for the transmitting station based on the quality criterion and the known transmission power level, the new transmission power level being otherwise independent of transmission power levels of other transmitting stations; means for ordering the transmitting station to transmit at the new transmission power level; means for measuring a received power level associated with the received signal; and means for determining a channel gain based on the received power level and the known transmission power level; wherein the new transmission power level is further based on the channel gain; and the determining means determines the new transmission power level so that, when the new transmission power level is greater than the known transmission power level, the quality criterion associated with a received signal transmitted at the new transmission power level is worse than the quality criterion associated with the received signal transmitted at the known transmission power level.
Claim 16
Dependent Claim
18 words
The apparatus of claim 9, wherein the transmitting station is a mobile station in a cellular telephone system.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-11-12 | 2000-05-13 | 2000-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-12 | 2004-05-13 | 2004-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-12 | 2008-05-13 | 2008-11-12 | $7700.00 | Window Closed / Lapsed |