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A joint spectrum access and power control method in d2d tactile communication

A tactile communication and power control technology, applied in wireless communication, connection management, sustainable communication technology, etc., can solve the problems of increased delay and reduced reliability of D2D tactile communication

Active Publication Date: 2022-05-24
ARMY ENG UNIV OF PLA
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  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention mainly aims at the problem that the existing resource allocation scheme will lead to increased delay and reduced reliability of D2D tactile communication, and provides a joint spectrum access and power control method

Method used

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  • A joint spectrum access and power control method in d2d tactile communication
  • A joint spectrum access and power control method in d2d tactile communication
  • A joint spectrum access and power control method in d2d tactile communication

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] Refer to the attached figure 1, for a further description of the D2D haptic communication model. A D2D pair consists of a source and a destination. In tactile communication, the source terminal is usually a tactile device, that is, human actions and sensations can be converted into tactile signal input through various coding techniques. The destination is usually a remote control device, that is, it can interact with the environment and feed back haptic signals to the source.

[0039] The communication process of D2D haptic communication is described as follows. First, the source end sends a control signal to the destination end through the forward link. Then, the destination interacts with the environment according to the received control signal, and sends a haptic feedback signal to the source through the reverse link, thereby forming a closed-loop D2D hap...

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Abstract

A joint spectrum access and power control method in D2D tactile communication, relating to the technical field of wireless communication. The present invention randomly accesses a resource block for each D2D pair according to a contention-based spectrum access mechanism; calculates the packet error rate of the D2D forward link under the contention access mechanism, that is, the source end to the destination end; calculates the contention access mechanism Lower the packet error rate of the D2D reverse link, that is, from the destination end to the source end; calculate the packet error rate of the closed loop of D2D tactile communication; establish an optimization problem, that is, minimize the total packet error rate of the system; model the optimization problem as a game ; Use the synchronous log-linear learning algorithm to solve the game Nash equilibrium. Reasonable power control can coordinate the interference between users, effectively unload resource scheduling delay and reduce the error probability of data packet transmission, so as to meet the delay and reliability requirements of D2D tactile communication.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular, to a joint spectrum access and power control method for D2D haptic communication. Background technique [0002] With the development of wireless communication technology, people are no longer satisfied with traditional audio and video communication, but want a more immersive user experience. Based on this, haptic communication technology came into being. Haptic communication mainly transmits human tactile signals (such as force, torque, speed, etc.), which can provide users with multi-dimensional perceptual information. Therefore, tactile communication has a wide range of application prospects, such as virtual reality, autonomous driving, and smart medical care. [0003] Tactile communication can be divided into remote tactile communication and local tactile communication according to the distance between the control terminal and the operating terminal....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04W28/02H04W74/08H04W76/14H04L41/14
CPCH04W16/14H04W28/0242H04W74/0833H04W76/14H04L41/145Y02D30/70
Inventor 吴丹吴岩刘杰乐超管新荣
Owner ARMY ENG UNIV OF PLA
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