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Energy consumption preferential energy cost minimized base station dormancy method

A technology that gives priority to energy consumption and minimizes cost. It is applied in the direction of reducing energy consumption, advanced technology, and power management. It can solve the problems that the base station system model does not have energy storage devices, does not consider energy prices, and does not consider time-of-use electricity price policies. To achieve the effect of minimizing energy costs, stabilizing energy costs, and reducing environmental pollution

Active Publication Date: 2017-07-18
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

However, the existing technology does not consider the energy price, and does not reflect the relationship between the energy cost and the communication system; at the same time, the construction of the communication system also has limitations. Although the change in the number of user connections is studied, the impact of user mobility is not considered; and the establishment of The base station system model does not have energy storage devices, ignores the mobile characteristics of users, and does not consider the current time-of-use electricity price policy

Method used

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  • Energy consumption preferential energy cost minimized base station dormancy method
  • Energy consumption preferential energy cost minimized base station dormancy method
  • Energy consumption preferential energy cost minimized base station dormancy method

Examples

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Embodiment Construction

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

[0049] Consider a joint processing (Joint Process, JP) multi-base station cooperative system. The system consists of fixed N base stations, each base station has M transmitting antennas, and the transmitting power of the antenna is P t , with their own independent new energy supply devices. The difference in the new energy supply device of the base station leads to the difference in the new energy supply rate of each base station. K single-antenna users are randomly generated within the coverage of the base station, and the received power is denoted as P r . System model such as figure 1 shown.

[0050] According to the dormancy mechanism of the base station, making the redundant base station enter the dormant state can greatly reduce the energy consumption of the base station system. Assuming that the system requires N'=2 base stations to be active to meet user needs,...

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Abstract

The invention belongs to the technical field of the energy conservation of the communication system, and especially relates to an energy consumption preferential energy cost minimized base station dormancy method. The method comprises the following steps: establishing a multi-base station cooperative system comprising a power grid, renewable energy and an energy storage device, wherein the multi-base station cooperative system is capable of selecting an energy source for supplying electric energy; establishing a base station dormancy mechanism by taking the minimum power consumption as a target, and establishing a base station power consumption model; selecting a base station group corresponding to the minimum energy consumption as a time slot activation base station according to a target function, thereby enabling a redundant base station to enter a dormancy state; preferentially selecting the low price energy to supply energy for the selected activation base station, and minimizing the base station system energy cost. By use of a time-of-use electricity price strategy, the renewable energy and the non-renewable energy are combined to perform mixed energy supply for the base station system, a mechanism for recycling remaining renewable energy of the power grid is considered, the environment pollution is reduced, a corresponding energy storage device is arranged, the communication system reliability is improved, the energy cost is stabilized, and the self-discharging phenomenon is considered.

Description

technical field [0001] The invention belongs to the technical field of communication system energy saving, and in particular relates to a dormancy method for a base station with energy consumption priority and energy cost minimization. Background technique [0002] At present, mobile communication has been integrated into every corner of social life. More and more users join the broadband system, eager for faster Internet access while mobile. The number of connected wireless devices will reach 1000 times the world's population. In order to meet the ever-expanding communication demands of users, the number of base stations deployed by operators has increased sharply, and its growth will bring a series of environmental and economic problems. Energy conservation in communication systems has become an urgent issue. The energy saving of the communication system can be considered from two aspects: the communication side and the base station side. Looking at the mobile communicati...

Claims

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Application Information

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IPC IPC(8): H04W52/02
CPCH04W52/0206Y02D30/70
Inventor 韩东升郑冰陈智雄
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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