Communication system having network access structure
AssigneesSamsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
InventorsTae Soo Kwon, Kyung Hun Jang, Dong Ho Cho, Chang Yong Shin, O Hyun Jo, Jung Min Moon
Life of this patent
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Abstract
A communication system with an improved network access structure for inter-cell cooperation is provided. The communication system includes a central unit and at least one radio access unit. The at least one radio access unit may form at least one virtual cell by merging or separating cells of radio access units according to a distribution of terminals, statuses of channels, an amount of traffic, and the like.
Claims23
A central unit, comprising:
- a central controller configured to merge at least two cells among a plurality of cells of radio access units, and separate at least one cell among the plurality of the cells of the radio access units, based on an amount of interference caused by at least one of the radio access units, to generate a virtual cell;
- first processing modules configured to perform signal processing in a radio resource control (RRC) layer, a media access control (MAC) layer, and a physical (PHY) layer for the virtual cell;
- and
- a switch configured to connect the first processing modules to the respective radio access units based on whether the plurality of cells of the radio access units are merged or separated,
- wherein the radio access units comprise respective second processing modules, each of the second processing modules configured to transmit and receive a radio frequency (RF) signal using an antenna.
A method of operating a terminal, the method comprising:
- transmitting, to at least one of radio access units, information associated with an amount of interference caused by at least one of the radio access units;
- receiving, from at least one of the radio access units, information associated with a virtual cell, the virtual cell generated by merging or separating cells of the radio access units based on the information associated with the amount of interference for cooperative communication with respect to the terminal;
- and
- performing an initialization for communication with the radio access units in the virtual cell.
A non-transitory computer-readable recording medium storing a program to implement a method of operating a terminal, the method comprising:
- transmitting, to at least one of radio access units, information associated with an amount of interference caused by at least one of the radio access units;
- receiving, from at least one of the radio access units, information associated with a virtual cell, the virtual cell generated by merging or separating cells of the radio access units based on the information associated with the amount of interference for cooperative communication with respect to the terminal;
- and
- performing an initialization for communication with the radio access units in the virtual cell.
Dependencies are inferred from the claim text.