Heterogeneous network energy saving method based on cognition technology

A heterogeneous network and technology technology, applied in the field of energy conservation of heterogeneous networks based on cognitive technology, can solve problems such as ignoring energy conservation, and achieve the effects of maximizing energy efficiency, reducing operating costs, and increasing throughput

Inactive Publication Date: 2014-12-24
XIDIAN UNIV
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Problems solved by technology

[0007] The purpose of the embodiments of the present invention is to provide a method for energy saving of heterogeneous networks based on cognitive technology, aiming at solving the problem that current technical solutions ignore the problem of energy saving while urgently paying attention to interference management in HetNet; Radio to HetNet Solve the Problems of Interference and Energy Conservation Simultaneously

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  • Heterogeneous network energy saving method based on cognition technology
  • Heterogeneous network energy saving method based on cognition technology
  • Heterogeneous network energy saving method based on cognition technology

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0045] Figure 1-2 It shows the implementation process of the cognitive technology-based heterogeneous network energy saving method provided by the embodiment of the present invention. The details are as follows:

[0046] Step 1. The user of the macro base station decides whether to access the HeNB according to the signal quality: if the SINR of the mth user of the macro base station at the i-th HeNB is greater than or equal to the SINR of the user at the macro base station, the user is connected to the HeNB. access to this HeNB, otherwise not access.

[0047] Here, when the SINR of the macro ba...

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Abstract

The invention discloses a heterogeneous network energy saving method. The method comprises the steps as follows: a macro base station user determines whether HeNB (Home evolved NodeB) is accessed or not according to the quality of a signal; when the signal-noise ratio of the HeNB is larger than or equal to that of the macro base station, the HeNB is accessed, if not, the HeNB is not accessed; and after the HeNB is accessed into the macro base station, macro base station transmitting power and accessed HeNB transmitting power, and the minimum value of the transmitting power of the macro base station is reserved to ensure the service quality. According to the invention, firstly, pricing technology is used for exciting the HeNB to receive the user of the macro base station, thereby offering better service for users located in special positions and enlarging the throughput capacity of a system; in addition, interference between the macro base station and the HeNB, and HeNBs is lowered via distributed power control, so as to achieve the maximization of the energy efficiency of the system; and lastly, owing to the reduction of the transmitting power of the macro base station, energy conversation is realized, and the operation cost of operators is lowered.

Description

technical field [0001] The invention belongs to the field of wireless communication, and in particular relates to a cognitive technology-based energy-saving method for heterogeneous networks. Background technique [0002] Existing statistics show that 60% of voice services and 90% of data services are generated in indoor environments such as homes, offices, airports, or schools. Therefore, operators are faced with how to provide better indoor coverage and maximize network capacity with a more reasonable price-performance ratio. However, the user experience in the current macro cellular network is not optimistic. The macro-cell evolved-NodeB (eNB) in the Universal Mobile Telecommunications System (UMTS) Long Term Evolution (LTE) network is adopting a high-power transmission mode in order to better guarantee the service quality of end users. However, on the one hand, high-power transmission consumes a lot of energy resources, and on the other hand, it causes a lot of harm to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W52/04
CPCY02B60/50Y02D30/70
Inventor 杨春刚盛敏李建东李红艳刘勤田海鹏
Owner XIDIAN UNIV
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