COMMUNICATION SYSTEM AND COMMUNICATION METHOD USING RELAY TERMINALS
First Claim
Patent Images
1. A cellular communication system, the system comprising:
- a base station;
a target terminal transmitting uplink data to the base station or receiving downlink data from the base station; and
a plurality of relay terminals cooperatively relaying the uplink data/downlink data to the base station/target terminal, the plurality of relay terminals being grouped into at least one group.
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Abstract
A communication system and a communication method using relay terminals are provided. A communication system includes a base station, a target terminal transmitting uplink data to the base station or receiving downlink data from the base station, and a plurality of relay terminals cooperatively relaying the uplink data/downlink data to the base station/target terminal, the plurality of relay terminals being grouped into at least one group.
26 Citations
23 Claims
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1. A cellular communication system, the system comprising:
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a base station; a target terminal transmitting uplink data to the base station or receiving downlink data from the base station; and a plurality of relay terminals cooperatively relaying the uplink data/downlink data to the base station/target terminal, the plurality of relay terminals being grouped into at least one group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A member relay terminal included in a group which consists of a plurality of relay terminals, the member relay terminal comprising:
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a data receiving unit receiving downlink data/uplink data transmitted from a base station/target terminal; and a data transmission unit transmitting the downlink data/uplink data to the base station/target terminal in cooperation with the plurality of relay terminals included in the group. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A target terminal, comprising:
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a beacon reception unit receiving beacons transmitted from a plurality of relay terminals; a connection establishment unit establishing connection with a portion of or all of the plurality of relay terminals in response to the received beacons; and a data transmission/receiving unit receiving downlink data of a base station from the connected relay terminals, or transmitting uplink data to the connected relay terminals, wherein the connected relay terminals cooperatively relay the downlink data/ uplink data. - View Dependent Claims (18, 19, 20)
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21. A base station, comprising:
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a group management unit grouping a plurality of relay terminals, and managing the group; a scheduler scheduling time slots or frequency bands for the plurality of relay terminals included in the group; and a data transmission/receiving unit transmitting downlink data for a target terminal to the plurality of relay terminals included in the group, or receiving uplink data transmitted by the target terminal from the plurality of relay terminals, wherein the plurality of relay terminals included in the group relay the downlink data/uplink data using the scheduled time slots or the frequency bands. - View Dependent Claims (22, 23)
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Specification