Cognitive radio communication system based on cooperation signal provided by another system
AssigneeSamsung Electronics Co., Ltd.
InventorChan Soo Hwang
Life of this patent
Estimating the term…
Abstract
An apparatus and method of facilitating cooperation within a cognitive radio communication system. The cooperation system facilitated in the communication system by another communication system. The apparatus include: a receiver to receive an uplink signal from a mobile station and a cooperation signal from a second communication system, wherein the cooperation signal is associated with the uplink signal; an evaluator to evaluate a contribution of the cooperation signal with respect to detection of the uplink signal; and a radio resource management unit to control an available radio resource for the second system according to the contribution of the cooperation signal.
Claims18
A base station in a first communication system, the base station comprising:
- a receiver to receive an uplink signal from a mobile station and a cooperation signal from a second communication system, wherein the cooperation signal is associated with the uplink signal;
- an evaluator to evaluate a contribution of the cooperation signal with respect to detection of the uplink signal;
- and
- a radio resource management unit to control an available radio resource for the second communication system according to the contribution of the cooperation signal,
- wherein the evaluator evaluates the contribution of the cooperation signal based on improvement of a data transmission rate of the uplink signal or improvement of a signal-to-noise ratio (SNR).
A base station comprising:
- a receiver to receive an uplink signal of a first mobile station;
- a cooperation signal generator to generate:
- a cooperation signal associated with at least one of soft decision information for performing a soft decision for the received uplink signal;
- digital information that is generated by quantizing the received uplink signal;
- and
- hard decision information for performing a hard decision for the received uplink signal;
- a transmitter to transmit the cooperation signal to a second base station;
- and
- a radio resource recognition unit to recognize an available radio resource allocated by the second base station based on a contribution of the cooperation signal with respect to detection of the uplink signal by the second base station,
- wherein a contribution of the cooperation signal is based on improvement of a data transmission rate of the uplink signal or improvement of a signal-to-noise ratio (SNR).
A base station of a first communication system, the base station comprising:
- a receiver to receive an uplink signal from a source mobile station;
- a first signal generator to generate a first signal associated with at least one of soft decision information for performing a soft decision for the received uplink signal, digital information that is generated by quantizing the received uplink signal, and hard decision information for performing a hard decision for the received uplink signal;
- a transmitter to transmit the first signal to a destination mobile station;
- an evaluator to evaluate a contribution of a second signal generated by a second communication system, the second signal associated with the received uplink signal, with respect to the destination mobile station detecting the received uplink signal;
- and
- a radio resource management unit to control availability of radio resource to a second communication system according to the evaluated contribution of the second signal,
- wherein the evaluator evaluates the contribution of the cooperation signal based on improvement of a data transmission rate of the uplink signal or improvement of a signal-to-noise ratio (SNR).
A method of operating a base station in a first communication system, comprising:
- receiving at a receiver an uplink signal from a mobile station and a cooperation signal from a second communication system, wherein the cooperation signal is associated with the uplink signal;
- detecting by a detector the received uplink signal using the received cooperation signal;
- evaluating by an evaluator a contribution of the cooperation signal with respect to detection of the uplink signal;
- and
- controlling by a radio resource management unit availability of radio resource to the second communication system according to the contribution of the cooperation signal,
- wherein the evaluator evaluates the contribution of the cooperation signal based on improvement of a data transmission rate of the uplink signal or improvement of a signal-to-noise ratio (SNR).
A non-transitory computer-readable recording medium storing a program configured to cause abuse station to:
- receive an uplink signal from a mobile station and a cooperation signal from a second communication system, wherein the cooperation signal is associated with the uplink signal;
- detect the received uplink signal using the received cooperation signal;
- evaluate a contribution of the cooperation signal with respect to detection of the uplink signal;
- and
- control availability of a radio resource to the second communication system according to the contribution of the cooperation signal,
- wherein the evaluating of the contribution of the cooperation signal is based on improvement of a data transmission rate of the uplink signal or improvement of a signal-to-noise ratio (SNR).
Dependencies are inferred from the claim text.