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A Frequency-Domain Hybrid MAC Protocol Communication Method Based on Adaptive Perception

A protocol communication and self-adaptive technology, applied in the direction of transmission modification based on link quality, wireless communication, transmission path separation device, etc., can solve the problems of improving multimedia user service quality, not improving user service experience, and not being able to use the frequency domain Differences and other issues, to achieve the effect of enhancing adaptive perception capabilities, increasing total network throughput, and improving user experience

Active Publication Date: 2017-09-12
GUANGZHOU HKUST FOK YING TUNG RES INST
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Problems solved by technology

Similarly, this invention is based on the hybrid MAC in the time domain, and cannot utilize the differences in the frequency domain to improve the service quality of multimedia users
[0010] However, the channel utilization of the above hybrid time-domain MAC protocols is still very low under limited bandwidth resources, and the diversity of channel quality in the frequency domain cannot be used to further improve user service experience

Method used

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  • A Frequency-Domain Hybrid MAC Protocol Communication Method Based on Adaptive Perception
  • A Frequency-Domain Hybrid MAC Protocol Communication Method Based on Adaptive Perception
  • A Frequency-Domain Hybrid MAC Protocol Communication Method Based on Adaptive Perception

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0050] see figure 2 , is a flow chart of the steps of an embodiment of an adaptive sensing-based frequency-domain hybrid MAC protocol communication method provided by the present invention.

[0051] The frequency domain hybrid MAC protocol communication method based on adaptive sensing provided in this embodiment specifically includes the following steps S101-S104:

[0052] Step S101: Receive data transmission requests from one or more multimedia users, and detect transmission characteristics of the multimedia users.

[0053] During specific implementation, the multimedia user submits a service request through an uplink, that is, a data transmission request. Before the base station or access point receives data transmission requests from one or more multimedia users, the wi...

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Abstract

The invention discloses a hybrid frequency-domain MAC (medium access control) protocol communication method based on self-adaptive perception. The hybrid frequency-domain MAC protocol communication method comprises the following steps: receiving data transmission requests of one or more multimedia users, and detecting transmission characteristics of the multimedia users; dividing a channel into a plurality of sub-channels on a frequency domain on the basis of a multi-carrier wireless transmission platform, and analyzing the channel quality of each sub-channel; distributing MAC protocols and the sub-channels for the multimedia users according to the transmission characteristics of the multimedia users and the channel quality of each sub-channel; carrying out data transmission by the multimedia users in the corresponding sub-channels according to the acquired distributed MAC protocols. According to the hybrid frequency-domain MAC protocol communication method based on self-adaptive perception disclosed by the invention, mixing of a plurality of MAC protocols is carried out by using a frequency-division multiplexing technology; the self-adaptive perception capacity of data transmission is enhanced; relatively good self-adaption to diversified transmission requirements is achieved; the service quality for the users is improved; the total network throughput is increased.

Description

technical field [0001] The present invention relates to the technical field of wireless network communication, in particular to a communication method based on self-adaptive sensing and hybrid MAC protocol in frequency domain. Background technique [0002] As an extension of wired Ethernet, WLAN is rapidly developing in today's information society due to its advantages of high efficiency, fast networking, flexible networking, and low cost. With the integration of Internet services and wireless mobile communication network services, real-time multimedia services such as voice and video increase rapidly, and users have higher and higher requirements for Quality of Service (QoS). This requires that the wireless local area network can provide more bandwidth resources to meet specific multimedia applications with different traffic characteristics and different transmission requirements. The IEEE80.211 WLAN standard can only provide "best effort" service without QoS guarantee. I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W74/02
CPCH04L1/0001H04L5/001H04W74/02
Inventor 王璐戚肖克肖江伍楷舜张黔倪明选
Owner GUANGZHOU HKUST FOK YING TUNG RES INST
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