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US 7,623,885 B2Granted
System, apparatus, computer program product and method for controlling terminal output power
AssigneeNokia Corporation
InventorsRami Vaittinen, Harri Jokinen
Life of this patent
Estimating the term…
Abstract
Controlling the output power level of a dual transfer mode (DTM) capable terminal involves generating a network message. The network message may be a circuit-switched (CS) handover command and/or a point-to-point signaling message. A maximum output power level value is associated with the network message. The network message is transferred from the network to the terminal. A packet-switched (PS) output power level of the terminal is determined using the maximum output power level value received via the network message.
Claims31
A method comprising:
- generating at least one signaling message at a network;
- associating, with the at least one signaling message, a packet-switched-specific power control parameter for a terminal operating in a dual transfer mode, wherein the signaling message comprises at least one of a system information 6 (SI6) message and a dual transfer mode information message, and wherein the packet-switched-specific power control parameter comprises a maximum power control parameter;
- and
- transmitting the at least one signaling message from the network to the terminal via a circuit-switched, point-to-point communication wherein the at least one signaling message facilitates defining a maximum packet-switched output power level (PMAX) using the maximum power control parameter received via the at least one signaling message, and defining a packet-switched output power level PCH to be used as the terminal's output power level for packet-switched traffic in the dual transfer mode according to the formula PCH=min(Γ0−ΓCH−α*(C+48),PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal.
5 more elements
A method comprising:
- receiving a packet-switched specific power control parameter via a circuit-switched handover command at a terminal operating in a dual-transfer mode via a circuit-switched network and a packet-switched network, wherein the packet-switched specific power control parameter comprises a maximum power control parameter;
- defining a maximum packet-switched output power level (PMAX) based on the maximum power control parameter;
- defining a packet-switched output power level PCH to be used as the terminal's output power level for packet-switched traffic according to the formula PCH=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal;
- and
- utilizing the packet-switched specific power control parameter for packet-switched power control for packet-switched traffic at the terminal.
6 more elements
An apparatus comprising:
- a transceiver interface-receiving a packet-switched specific, maximum power control parameter via a circuit-switched point-to-point signaling message, wherein the circuit-switched point-to-point signaling message comprises at least one of a system information 6 (SI6) message and a dual transfer mode information message;
- and
- a processor configured to:
- define a maximum packet-switched output power level (PMAX) based on the maximum power control parameter;
- define a packet-switched output power level PCH to be used as the terminal's output power level for packet-switched traffic according to the formula PCH=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal;
- and
- utilize the maximum power control parameter to control a terminal output power for packet-switched network traffic for operating in a dual transfer mode.
8 more elements
An apparatus comprising:
- a transceiver interface receiving a packet-switched specific, maximum power control parameter via a circuit-switched handover command for a terminal operating in a dual transfer mode;
- and
- a processor configured to:
- define a maximum packet-switched output power level (PMAX) based on the maximum power control parameter;
- define a packet-switched output power level PCH to be used as the terminal's output power level for packet-switched traffic according to the formula PCH=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal;
- and
- utilize the maximum power control parameter for packet-switched power control for packet-switched network traffic.
8 more elements
A computer-readable medium having instructions stored thereon which are executable by an apparatus to perform operations comprising:
- receiving a packet-switched specific maximum power control parameter via a network from at least one of a circuit-switched handover command and a circuit-switched point-to-point signaling message directed to a terminal operating in a dual transfer mode, wherein the circuit-switched point-to-point signaling message comprises at least one of a system information 6 (SI6) message, a dual transfer mode information message;
- defining a maximum packet-switched output power level (PMAX) and a packet-switched output power level based on the maximum power control parameter, wherein the packet-switched output power level is used as the terminal's output power level for packet-switched traffic;
- defining a packet-switched output power level P based on the maximum power control parameter according to the formula PCH=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal;
- and
- establishing a packet-switched data session using the packet-switched output power level.
6 more elements
An apparatus comprising:
- a processor configured to determine a packet-switched specific maximum power control parameter usable by a terminal for packet-switched power control for packet-switched network traffic in a dual transfer mode of the terminal;
- and
- a transceiver sending the maximum power control parameter to the terminal via a circuit-switched handover command to facilitate defining, at the terminal, a maximum packet-switched output power level (PMAX) and a packet-switched output power level based on the maximum power control parameter,
- wherein the packet-switched output power level is used as the terminal's output power level for packet-switched traffic, and wherein the packet-switched output power level is defined according to the formula P=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal.
5 more elements
An apparatus comprising:
- a processor configured to determine a packet-switched specific, maximum power control parameter usable by the terminal for packet-switched power control for packet-switched network traffic in a dual transfer mode of the terminal;
- and
- a transceiver sending the maximum power control parameter to the terminal via a circuit-switched point-to-point signaling message, wherein the circuit-switched point-to-point signaling message comprises at least one of a system information 6 (SI6) message and a dual transfer mode information message that facilitates defining, at the terminal, a maximum packet-switched output power level (PMAX) and a packet-switched output power level based on the maximum power control parameter, wherein the packet-switched output power level is used as the terminal's output power level for packet-switched traffic, and wherein the packet-switched output power level is defined according to the formula P=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific rower control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal.
4 more elements
A computer-readable medium having instructions stored thereon which are executable by an apparatus to perform operations comprising:
- determining a packet-switched(PS)-specific maximum power control parameter usable by a terminal for packet-switched power control for packet-switched network traffic in a dual transfer mode of the terminal;
- and
- sending the maximum power control parameter to the terminal via at least one of a circuit-switched handover command and a circuit-switched point-to-point signaling message, wherein the circuit-switched point-to-point signaling message comprises at least one of system information 6 (SI6) message and a dual transfer mode information message that facilitates defining, at the terminal, a maximum packet-switched output power level (PMAX) and a packet-switched output power level based on the maximum power control parameter, wherein the packet-switched output power level is used as the terminal's output power level for packet-switched traffic, and wherein the packet-switched output power level is defined according to the formula P=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal.
4 more elements
A system comprising:
- means for generating network message that includes at least one of a circuit-switched handover command and a circuit-switched point-to-point signaling message wherein the circuit-switched point-to-point signaling message comprises at least one of system information 6 (SI6) message and a dual transfer mode information message;
- means for associating a packet-switched specific, maximum output power control value with the network message;
- means for transmitting the network message from the network to a terminal operating in a dual transfer mode;
- means for defining a maximum packet-switched output power level (PMAX) based on the maximum output power control value, wherein the packet-switched output power level is used as the terminal's output power level for packet-switched traffic, and wherein defining the packet-switched output power level comprises calculating the packet-switched output power level P according to the formula P=min(Γ0−ΓCH−α*(C+48), PMAX), wherein:
- Γ0 comprises an architecture specific power control parameter;
- ΓCH comprises a terminal and channel specific power control parameter;
- α comprises a system parameter broadcast on a control channel or sent to the terminal;
- and C comprises a normalized received signal level at the terminal;
- and
- means for defining a packet-switched output power level of the terminal using the maximum output power control value received via the network message.
7 more elements
Dependencies are inferred from the claim text.