Heterogeneous cellular network, micro base station and resource selection method of micro base station

Abstract

Provided is a micro base station to be used in a heterogeneous cellular network. The micro base station has resources including frequency bands and time slots and being available for a user to use. The heterogeneous cellular network includes a plurality of base stations including a macro base station and the micro base station. The micro base station includes: an information acquiring part configured to acquire configuration information and load information of the micro base station, and to acquire configuration information and load information of a neighboring base station adjacent to the micro base station from the neighboring base station; and a resource selection part configured to select a part of the resources from the resources to provide the selected part of the resources to the user based on the configuration information and the load information of the micro base station and the neighboring base station.

Description

technical field [0001] The invention relates to a heterogeneous cellular network based on a partial frequency reuse mechanism and a micro base station and a resource selection method of the micro base station. Background technique [0002] Currently, a traditional cellular network including only one type of base station (hereinafter referred to as a homogeneous cellular network) is widely used. A cellular network including multiple types of base stations (hereafter also referred to as a heterogeneous cellular network) has also been researched and developed, and gradually popularized and applied. [0003] Figure 9 is a schematic diagram showing the configuration of a heterogeneous cellular network. exist Figure 9 In the shown heterogeneous cellular network, there are 4 macro base stations (macro BS) MBS and 8 micro base stations mBS. Here, a micro base station is a general term for a micro base station different from a macro base station, and includes, for example, a home...

AI Technical Summary

Problems solved by technology

Therefore, there are the following problems: Not only are resources wasted by providing excessive services, but also because the micro base station and the adjacent base station use the same frequency band, the interference between cells is aggravated, and the network capacity is reduced.

[0007] As mentioned above, although homogeneous cellular networks mostly use the full-frequency multiplexing mechanism in 3G and later standards, heterogeneous cellular networks are different from homogeneous cellular networks. Heterogeneous cellular networks contain different types of coverage capabilities. Different types of base stations, differences between base stations and cells make full-frequency multiplexing no longer the optimal multiplexing mechanism for heterogeneous cellular networks

Images