Apparatus and method in radio communications system

2:

• A device in a radio communication system, comprising:
• circuitry configured to
• acquire power strengths of signals received, on a transmission resource to be detected, from one or more first type of nodes located at one or more transmit positions;
• and
• make a statistic of a power space distribution of the first type of nodes on the transmission resource, according to the acquired power strengths,
• wherein the statistic of a power space distribution of the first type of nodes is for managing usage of the transmission resource.

7:

• The device in a radio communication system according to claim 2, wherein the circuitry is further configured to:
• acquire power strengths of signals received, on a transmission resource to be detected, from one or more second type of nodes located at one or more transmit positions;
• and
• make a statistic of a power space distribution of the second type of nodes on the transmission resource, according to the acquired power strengths,
• wherein signal transmit power strength levels of the first and second types of nodes are different from each other.

8:

• The device in a radio communication system according to claim 7, wherein the circuitry is further configured to:
• determine a power level of a signal on a transmission resource to be detected, based on the statistics of the power space distributions of the first and second type of nodes;
• and
• judge a type of node transmitting the signal, according to the determined power level of the signal on the transmission resource to be detected.

11:

• The device in a radio communication system according to claim 6, wherein the circuitry is further configured to:
• obtain power strength of a signal received at least two receive positions on a transmission resource to be detected;
• and
• judge a type of node corresponding to a node transmitting the signal, based on the statistic of the power space distribution of the first type of nodes and the power strength of the signal.

15:

• A method in a radio communication system, comprising:
• acquiring power strengths of signals received, on a transmission resource to be detected, from one or more first type of nodes located at one or more transmit positions;
• and
• making a statistic of a power space distribution of the first type of nodes on the transmission resource, according to the acquired power strengths,
• wherein the statistic of a power space distribution of the first type of nodes is for managing usage of the transmission resource.

20:

• The method in a radio communication system according to claim 19, wherein the circuitry is further configured to
• receive measurement reports of a transmission resource to be detected from at least two users located at least two receive positions;
• and
• judge a type of node corresponding to a node transmitting the signal on the transmission resource to be detected, based on the statistic of the power space distribution of the first type of nodes and the measurement reports.

21:

• A computer storage medium, comprising computer readable instructions configured to cause a computer to perform the method comprising:
• acquiring power strengths of signals received, on a transmission resource to be detected, from one or more first type of nodes located at one or more transmit positions;
• and
• making a statistic of a power space distribution of the first type of nodes on the transmission resource, according to the acquired power strengths,
• wherein the statistic of a power space distribution of the first type of nodes is for managing usage of the transmission resource.