Signal transmission method and system for transmitting signal by using interference control method and/or transmission power control method
First Claim
Patent Images
1. A network apparatus comprising:
- a receiver configured to receive signal quality information from each of a plurality of base stations, the signal quality information received from each base station indicating the qualities of signals received by terminals that are served by the base station; and
a decision unit configured to determine, based on the signal quality information received from the base stations, whether to apply an interference control scheme to a signal output by a target base station, among the plurality of base stations, that is received by a group of terminals served by plurality of base stations,wherein the plurality of base stations comprises a first base station, a second base station, and a third base station,wherein the terminals comprise a first terminal, a second terminal, and a third terminal,wherein the first base station is configured to receive first information comprising;
a radio channel state between the first base station and the first terminal;
a radio channel state between the first base station and the second terminal; and
a radio channel state between the first base station and the third terminal,wherein the second base station is configured to receive second information comprising;
a radio channel state between the second base station and the first terminal;
a radio channel state between the second base station and the second terminal; and
a radio channel state between the second base station and the third terminal,wherein the third base station is configured to receive second information comprising;
a radio channel state between the third base station and the first terminal;
a radio channel state between the third base station and the second terminal; and
a radio channel state between the third base station and the third terminal,wherein the receiver is configured to receive, from the base stations, the first information, the second information, and the third information, andwherein the decision unit is further configured to determine, based on the first information, second information, and third information, whether to apply the interference control scheme to the base stations.
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Abstract
Provided are a signal transmission method and a network apparatus to control interference in a radio communication network. A terminal may transmit to the network apparatus, signal quality information associated with a radio channel formed between the terminal and a corresponding base station. The corresponding base station may output a signal received by the plurality of terminals, based on the signal quality information.
12 Citations
18 Claims
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1. A network apparatus comprising:
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a receiver configured to receive signal quality information from each of a plurality of base stations, the signal quality information received from each base station indicating the qualities of signals received by terminals that are served by the base station; and a decision unit configured to determine, based on the signal quality information received from the base stations, whether to apply an interference control scheme to a signal output by a target base station, among the plurality of base stations, that is received by a group of terminals served by plurality of base stations, wherein the plurality of base stations comprises a first base station, a second base station, and a third base station, wherein the terminals comprise a first terminal, a second terminal, and a third terminal, wherein the first base station is configured to receive first information comprising; a radio channel state between the first base station and the first terminal; a radio channel state between the first base station and the second terminal; and a radio channel state between the first base station and the third terminal, wherein the second base station is configured to receive second information comprising; a radio channel state between the second base station and the first terminal; a radio channel state between the second base station and the second terminal; and a radio channel state between the second base station and the third terminal, wherein the third base station is configured to receive second information comprising; a radio channel state between the third base station and the first terminal; a radio channel state between the third base station and the second terminal; and a radio channel state between the third base station and the third terminal, wherein the receiver is configured to receive, from the base stations, the first information, the second information, and the third information, and wherein the decision unit is further configured to determine, based on the first information, second information, and third information, whether to apply the interference control scheme to the base stations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 18)
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9. A method, executed by a network apparatus, of transmitting a radio signal in a communication network, the method comprising:
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receiving signal quality information from each of a plurality of base stations, the signal quality information received from each base station indicating the qualities of signals received by terminals that are served by the base station; and determining, based on the signal quality information received from the base stations, whether to apply an interference control scheme to a signal output by a target base station that is received by a group of terminals served by the plurality of base stations, wherein the plurality of base stations corn rises a first base station a second base station, and a third base station, wherein the terminals comprise a first terminal, a second terminal, and a third terminal, wherein the first base station is configured to receive first information comprising; a radio channel state between the first base station and the first terminal; a radio channel state between the first base station and the second terminal; and a radio channel state between the first base station and the third terminal, wherein the second base station is configured to receive second information comprising; a radio channel state between the second base station and the first terminal; a radio channel state between the second base station and the second terminal; and a radio channel state between the second base station and the third terminal, wherein the third base station is configured to receive second information comprising; a radio channel state between the third base station and the first terminal; a radio channel state between the third base station and the second terminal; and a radio channel state between the third base station and the third terminal, wherein the receiver is configured to receive, from the base stations, the first information, the second information, and the third information, and wherein the decision unit is further configured to determine, based on the first information, second information, and third information, whether to apply the interference control scheme to the base stations. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A non-transient computer-readable storage medium storing a program to transmit a radio signal in a communication network, the program executed by a computer of a network apparatus and comprising instructions to cause the computer to:
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receive signal quality information from each of a plurality of base stations, the signal quality information received from each base station indicating the qualities of signals received by terminals that are served by the base station; and determine, based on the signal quality information received from the base stations, whether to apply an interference control scheme to a signal output by a target base station that is received by a group of terminals served by the plurality of base stations, wherein the plurality of base stations comprises a first base station, a second base station, and a third base station, wherein the terminals comprise a first terminal, a second terminal and a third terminal, wherein the first base station is configured to receive first information comprising; a radio channel state between the first base station and the first terminal; a radio channel state between the first base station and the second terminal; and a radio channel state between the first base station and the third terminal, wherein the second base station is configured to receive second information comprising; a radio channel state between the second base station and the first terminal; a radio channel state between the second base station and the second terminal; and a radio channel state between the second base station and the third terminal, wherein the third base station is configured to receive second information comprising; a radio channel state between the third base station and the first terminal; a radio channel state between the third base station and the second terminal; and a radio channel state between the third base station and the third terminal, wherein the receiver is configured to receive, from the base stations, the first information, the second information, and the third information, and wherein the decision unit is further configured to determine, based on the first information, second information, and third information, whether to apply the interference control scheme to the base stations.
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Specification