Heterogeneous cellular wireless network programming scheme

A network planning and solution technology, applied in network planning, wireless communication, electrical components, etc., can solve problems such as large path loss, geographical limitations of macro base stations, and inaccessibility of areas, to reduce complexity, ensure seamless coverage, and achieve The effect of load balancing

Inactive Publication Date: 2016-08-24
NANJING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the large transmit power and physical size of the macro base station, the geographical location of the macro base station can be installed. The macro base station that can be installed may cause some areas to be unable to be covered by the installed macro base station.
At the same time, due to the shadow fa...

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  • Heterogeneous cellular wireless network programming scheme

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Embodiment Construction

[0014] The accompanying drawings in the description are functional block diagrams of embodiments of heterogeneous cellular wireless network planning solutions. The solution in the present invention involves four steps: 1) Constructing a service demand node model based on historical service flow data. 2) Determine the location and parameters of the candidate base station according to the geographic data. 3) The field strength prediction method based on tomography predicts the link gain between the service demand node and the candidate base station node, and determines the selected candidate base station. 4) Based on the distribution of historical service traffic, divide the coverage area of ​​the base station to balance the load of the base station.

[0015] The first step of the heterogeneous cellular wireless network planning solution in the present invention is to construct a service demand node model based on historical service flow data. Based on the two-dimensional dist...

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Abstract

The invention relates to a network programming scheme and discloses a network programming scheme suitable for heterogeneous cellular wireless network configuration. Historical service flow distribution is used to divide a subarea and a service demanding node model is established. A link gain between different types of candidate base stations and a service demanding node is predicted. Power and bandwidths consumed by the candidate base stations when satisfying the service demanding node are determined. The candidate base stations are selected and the base stations are deployed. The sources are distributed so that load balancing between heterogeneous cellular wireless network base stations is achieved. The invention provides the network programming scheme with low cost, high performance, high precision and a balanced network load.

Description

technical field [0001] The invention relates to a network planning scheme, which relates to service flow distribution, load balancing, and a network planning scheme suitable for heterogeneous cellular wireless network architecture. Background technique [0002] The main goal of the network planning solution is to configure a series of cells in the service area at the lowest possible cost to complete the overall planning under the conditions of meeting the current and future cellular wireless service traffic requirements, cellular system capacity and interference restrictions, and service quality requirements. Seamless coverage of the area. [0003] According to the technical characteristics of each generation of cellular wireless network, the network planning scheme is different. In the second-generation cellular wireless network, the network planning scheme is generally divided into two steps: the first step is to select a subset from the candidate base station placement s...

Claims

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Application Information

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IPC IPC(8): H04W16/18
Inventor 王少尉赵文涛冉晨张玉洁黄新新徐胜孙迅
Owner NANJING UNIV
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