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Antenna selection and resource allocation method in wireless energy supply communication network

An antenna selection and resource allocation technology, applied in wireless communications, radio transmission systems, diversity/multi-antenna systems, etc. The effect of maximizing data rates

Active Publication Date: 2019-04-19
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0002] Limited device battery life is a constant constraint on the development of modern wireless communication technologies

Method used

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  • Antenna selection and resource allocation method in wireless energy supply communication network
  • Antenna selection and resource allocation method in wireless energy supply communication network
  • Antenna selection and resource allocation method in wireless energy supply communication network

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Embodiment Construction

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

[0049] The architecture of the cognitive wireless network described in the present invention is as attached figure 2 As shown, the cognitive wireless power supply network is a multi-user network architecture based on OFDM technology, including a hybrid access point, and K users are connected to the hybrid access point, and each user has two Antennas for sending and receiving radio frequency signals;

[0050] The procedure of this method is as follows figure 1 shown

[0051] First set the parameters: set h a，k，n Indicates the channel gain between the hybrid access point on the nth subcarrier and the ath antenna of the kth user, I k，n Indicates the self-interference channel gain between the 2 antennas of the kth user on the nth subcarrier; h a，k，n and I k，n are known parameters known in advance; Indicates the power of the kth user for uplink information transmiss...

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Abstract

The invention discloses an antenna selection and resource allocation method in a wireless energy supply communication network. The wireless energy supply communication network constructed by the method is a multi-user network architecture based on an orthogonal frequency division multiplexing technology, and comprises a hybrid access point; the hybrid access point is connected with K users downwards; and each user has two antennas for transceiving radio frequency signals. The method is based on an energy self-recovery technology; by combining antenna selection and resource optimal allocation,under the energy causality constraint, a total data rate of the users is maximized, resource allocation efficiency in the wireless power supply communication network is promoted, and the total data rate of all the users is maximized.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a method for antenna selection and resource allocation in a wireless power supply communication network, which can be implemented based on self-energy recovery technology in a wireless power supply communication network, and combined with antenna selection and network resource allocation , to maximize the user transmission data rate. Background technique [0002] The issue of limited device battery life has always constrained the development of modern wireless communication technologies. The emergence of radio frequency wireless energy transmission technology provides a feasible way to solve this problem, and then a communication architecture called wireless power supply communication network appeared based on this technology. In this architecture, wireless devices use the energy collected by radio frequency signals to transmit information, which has very im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04B7/0404H04B7/06
CPCH04B7/0404H04B7/0602H04W72/53
Inventor 徐鼎王立朱晓荣
Owner NANJING UNIV OF POSTS & TELECOMM
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