Resource allocation method for quality of service guarantee in wireless full-duplex network

A quality assurance, service-oriented technology, applied in wireless communication, duplex signal operation, electrical components, etc.

Active Publication Date: 2018-09-25
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the above-mentioned defects, provide a wireless full-duplex network that studies the wireless full-duplex network, and solves the problem of how to ensure the heterogeneous statistical delay QoS requirements of two different types of real-time services. Resource Allocation Method Oriented to Service Quality Guarantee

Method used

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  • Resource allocation method for quality of service guarantee in wireless full-duplex network
  • Resource allocation method for quality of service guarantee in wireless full-duplex network
  • Resource allocation method for quality of service guarantee in wireless full-duplex network

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Experimental program
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Embodiment

[0065] Such as figure 1 As shown in , in order to evaluate the performance of wireless full-duplex bidirectional transmission under different statistical delay QoS requirements, simulation experiments are carried out. In all simulations, the bandwidth B=100KHz is set, the duration of one frame is T=2ms, the fading parameter of Nakagami-m distribution is m=2, and the average accepted SNR is The average transmit power is limited to Without loss of generality, let the self-interference reduction coefficients of nodes A, B and D be k a =0.95,k b = 0.95 and k d = 0.95.

[0066] figure 1 The effect of heterogeneous statistical delay QoS requirements on the efficiency and capacity of bidirectional wireless full-duplex transmission is illustrated. Two cases are considered here: 1). The QoS index required by node A is changed from 10 -4.5 change to 10 -1.5 , while the QoS index required by node B is 10 -4 . 2). The QoS index required by node A is changed from 10 -4.5 chang...

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Abstract

The invention discloses a resource distribution method oriented towards the service quality guarantee and suitable for a wireless full-duplex network. The resource distribution method is characterized by comprising the steps that (1) a model of wireless full-duplex transmission is established; (2) the wireless full-duplex transmission and the effective capacity are maximized under different statistics delay QoS demands. Through the promoted QoS drive power distribution strategy under the different statistics delay QoS demands, larger system throughput can be obtained; in addition, by the adoption of the resource distribution method, under the different statistics delay QoS demands, the upper limit and the lower limit of wireless full-duplex transmission and the upper limit and the lower limit of wireless half-duplex transmission are evaluated.

Description

technical field [0001] The invention relates to a resource allocation method for quality of service guarantee in a wireless full-duplex network. Background technique [0002] Recently, more and more attention has been paid to wireless full-duplex communication and networking. In a wireless full-duplex network, there are two types of transmission: two-way wireless full-duplex transmission of two nodes and one-way wireless full-duplex transmission of three nodes. If two nodes need to transmit their respective data to each other, this type of transmission is dual-node two-way transmission; if when a node transmits data to the destination node, the destination node is also transmitting data to another node, this type of transmission is Three-node one-way transmission. Full-duplex transmission in any mobile wireless network is composed of bidirectional wireless full-duplex transmission of two nodes and / or unidirectional wireless full-duplex transmission of three nodes, so this ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04L5/14
Inventor 程文驰李丹萍张海林李勇朝任智源邵郁林
Owner XIDIAN UNIV
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