Abstract
A method is provided for controlling the transmission power in a radio system including the steps of: transmitting a transmission signal to a receiver; evaluating the transmission signal to produce a power control command for controlling the transmission power of the transmitter; setting the transmission power of the transmitter based on an estimated value after an occurrence of a transmission gap in a transmission channel the estimated value taking account of power control commands produced for the transmitter in the past; and determining the estimated value as a function of a parameter which indicates whether the respective power control command is intended to be taken into account in the determination of the estimated value and setting the parameter to a value which results in the power control command being taken into account when determining the estimated value.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 22/12/2005 | ISLD-200602-020 | SIEMENS AG | No | Family Member | ||||
| 3G | 22/12/2005 | ISLD-200602-020 | SIEMENS AG | Yes | Basis Patent | ||||
Specification Information
Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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S1
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Technologies
Power Control
Product
Use Cases
Wireless communication
Services
Claim
1. A method for controlling transmission power in a radio system, the method comprising the steps of:
transmitting a transmission signal via a transmitter to a receiver;
evaluating the transmission signal via the receiver to produce a power control command for controlling the transmission power of the transmitter and to transmit the power control command to the transmitter;
setting the transmission power of the transmitter based on an estimated value (δ) after an occurrence of a transmission gap in a transmission channel which is defined between the transmitter and the receiver, the estimated value taking account of power control commands produced for the transmitter prior to the occurrence of the transmission gap; and
determining the estimated value as a function of a parameter which indicates whether the respective power control command is intended to be taken into account in the determination of the estimated value (δ), and setting the parameter, for a power control command which would result in the transmission power of the transmitter one of reaching, exceeding and falling below a predetermined limit value, to a value which results in the power control command being taken into account when determining the estimated value (δ).', 'transmitting a transmission signal via a transmitter to a receiver;', 'evaluating the transmission signal via the receiver to produce a power control command for controlling the transmission power of the transmitter and to transmit the power control command to the transmitter;', 'setting the transmission power of the transmitter based on an estimated value (δ) after an occurrence of a transmission gap in a transmission channel which is defined between the transmitter and the receiver, the estimated value taking account of power control commands produced for the transmitter prior to the occurrence of the transmission gap; and', 'determining the estimated value as a function of a parameter which indicates whether the respective power control command is intended to be taken into account in the determination of the estimated value (δ), and setting the parameter, for a power control command which would result in the transmission power of the transmitter one of reaching, exceeding and falling below a predetermined limit value, to a value which results in the power control command being taken into account when determining the estimated value (δ).
2. A method for controlling transmission power in a radio system as claimed in claim 1, wherein an estimated value δi at time i is calculated using a recursive formula as follows:
δi=0.9375·δiâx88x921âx88x920.96875·TPC i ·Îx94TPCk', 'δi=0.9375·δiâx88x921âx88x920.96875·TPC i ·Îx94TPCk', 'where δiâx88x921 denotes a power estimated value at the time iâx88x921, TPCi denotes the power control command received by the transmitter at the time i, Îx94TPC denotes a step width using which the transmission power of the transmitter is set, and k denotes the parameter, and wherein the parameter k is set to k=1 for a power control command which would result in the transmission power of the transmitter one of reaching, exceeding and falling below the predetermined limit value.
3. A method for controlling transmission power in a radio system as claimed in claim 1, wherein the radio system is a UMTS mobile radio system.
4. A method for controlling transmission power in a radio system as claimed in claim 1, wherein the estimated value (δ) is a power control estimated value, with the transmission power control for the transmitter being set based on the power control estimated value after the occurrence of a transmission gap.
5. A transmitting apparatus for a radio system, comprising:
parts for receiving power control commands transmitted from another transmitting apparatus in the radio system, and for using the power control commands to control transmission power of the transmitting apparatus; and
parts for readjusting the transmission power control based on an estimated value (δ) after an occurrence of a transmission gap in a transmission channel which is defined between the transmitter and the another transmitting apparatus, the estimated value (δ) taking account of power control commands produced for the transmitter prior to the occurrence of the transmission gap, with the estimated value (δ) being determined in the transmitter as a function of a parameter which indicates for each transmission power control whether a corresponding power control command should be taken into account when determining the estimated value (δ).', 'parts for receiving power control commands transmitted from another transmitting apparatus in the radio system, and for using the power control commands to control transmission power of the transmitting apparatus; and', 'parts for readjusting the transmission power control based on an estimated value (δ) after an occurrence of a transmission gap in a transmission channel which is defined between the transmitter and the another transmitting apparatus, the estimated value (δ) taking account of power control commands produced for the transmitter prior to the occurrence of the transmission gap, with the estimated value (δ) being determined in the transmitter as a function of a parameter which indicates for each transmission power control whether a corresponding power control command should be taken into account when determining the estimated value (δ).']
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SUMMARY
ClaimChart-US7062288B2-STO
Patent number:US7062288B2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.