Hotspot base station setting method capable of enabling hotspots to cover network cell

A technology for hotspot base stations and overlay networks, applied in network planning, network traffic/resource management, electrical components, etc., to achieve network load balancing, strong practicability, and low computational complexity

Inactive Publication Date: 2012-01-18
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The density of users in hotspot areas is different from the density of macro cells. Combined with the requirements of these users for service quality, it brings challenges to coverage methods such as site selection and parameter configuration.

Method used

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  • Hotspot base station setting method capable of enabling hotspots to cover network cell
  • Hotspot base station setting method capable of enabling hotspots to cover network cell
  • Hotspot base station setting method capable of enabling hotspots to cover network cell

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Embodiment Construction

[0048] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0049]Assume that there is a macro base station (MeNB) equipped with an omnidirectional antenna in the center of a cell, and its location coordinates are (0, 0). The location coordinates of a micro base station (PeNB) are (d, 0), and d>0 satisfies the requirement for the minimum distance between MeNB and PeNB deployment. When there is no MeNB interference, the coverage radius of this PeNB is r d , under the premise of only considering large-scale fading, for any user in the cell, the received pilot signal power sent to MeNB and PeNB is expressed as:

[0050] P r，m =P m -a m -b m logd m , (1)

[0051] P r，p =P p -a p -b p logd p , (2)

[0052] Among them, for MeNB, P m Indicates the transmission power, b m Indicates the path loss factor from user to MeNB, a m Indicates other la...

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Abstract

The invention discloses a hotspot base station setting method capable of enabling hotspots to cover a network cell, the cell comprises a central macro base station and at least one hotspot base station distributed in the cell, and the setting method comprises the following steps: S1) getting the range of a hotspot region, the user density of the hotspot region, the user density of a macro cell and various parameters including various large-scale fading parameters of users to the central macro base station and the hotspot base station respectively; S2) respectively getting area functions of two edge regions formed under the hotspot base station and the macro base station structures according to the various parameters of the macro cell, the hotspot region, the macro base station and the hotspot base station; and S3) combining with the areas of the two edge regions in the step S2) and the user density corresponding to each of the two edge regions according to the system requirements for setting the hotspot base station. By adopting the setting method, the loads of the hotspot region and the macro cell can be effectively balanced, the utilization rate of edge frequency spectrum of a network can be improved, the complexity is low and the practicability is stronger.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for setting a hotspot base station for a hotspot coverage network cell. Background technique [0002] The fourth generation mobile communication system (IMT-A) defined by the International Telecommunication Union Radiocommunication Sector (ITU-R) is also widely called 4G. The carrying capacity of the IMT-A system has surpassed the third generation mobile communication system (3G, IMT-2000) in an all-round way. According to the requirements proposed by ITU-R, IMT-A mainly has the following characteristics: [0003] 1) Service compatibility with early IMT systems and fixed networks; [0004] 2) The ability to interoperate with other wireless communication systems; [0005] 3) High-quality wireless services; [0006] 4) Universal user terminal (UE); [0007] 5) User-friendliness of network applications and services for equipment; [0008] 6) International...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W28/08
Inventor 王莹张平王坦张纬栋戴慧玲张珂石聪
Owner BEIJING UNIV OF POSTS & TELECOMM
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