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Scheduling method for multi-channel synchronous self-organizing network

A technology of self-organizing network and scheduling method, which is applied in the field of multi-channel synchronous self-organizing network scheduling and scheduling, which can solve problems such as conflicts and occupied channels, and achieve the effect of avoiding resource waste and ensuring delay and throughput

Active Publication Date: 2016-06-29
JIANGSU ZHONGKE YILIAN COMM TECH CO LTD
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Problems solved by technology

[0003] The existing single-transceiver multi-channel synchronous self-organizing network MAC protocols mainly include MMAC (Multi-channelMediaAccessControl), TDMAC (TDMAbasedMMAC), SCCH (SlottedSeededChannelHopping), these three protocol channel access methods are CSMA (CarrierSenseMultipleAccess), through the monitoring channel Use the random back-off mechanism to occupy the channel, and solve the problem of hidden terminals through the RTS (RequestTosend) / CTS (ClearToSend) signal. The sending of RTS / CTS packets is blind. When the number of nodes is large, conflicts between RTS / CTS packets may occur relatively high probability

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  • Scheduling method for multi-channel synchronous self-organizing network
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  • Scheduling method for multi-channel synchronous self-organizing network

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0022] In order to achieve conflict-free allocation of time-frequency resources in a multi-channel synchronous self-organizing network, avoid waste of resources, and at the same time ensure QOS (Quality of Service) indicators such as delay and throughput, the scheduling method of the multi-channel synchronous self-organizing network of the present invention, specifically It is: for a multi-channel synchronous ad hoc network that adopts a time-division method, the time-domain resources are divided into continuous time frames, and each time frame is divided into a control subframe and a data subframe, and each control subframe contains multiple Control time slots, each data subframe contains multiple data time slots, data time slots contain multiple physical channels, multiple nodes forming a multi-channel synchronous self-organizing network can use different phys...

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Abstract

The invention relates to a scheduling method for a multi-channel synchronous self-organizing network. When the multi-channel synchronous self-organizing network adopts a time division way, time domain resources are divided into continuous time frames, each time frame is divided into a control subframe and a data subframe, each control subframe includes a plurality of control time slots, each data subframe includes a plurality of data time slots, the data time slots include a plurality of physical channels, a plurality of nodes forming the multi-channel synchronous self-organizing network can simultaneously utilize different physical channels, but each node only utilizes one physical channel to send or receive a message at one time; the control time slots in each control subframe are allocated through a conflict-free low-speed allocation method. According to the method, conflict-free allocation of time frequency resources of the multi-channel synchronous self-organizing network can be realized, the resource waste is avoided, and meanwhile, QOS (Quality of Service) indexes, such as time delay and throughput capacity, can be simultaneously guaranteed.

Description

technical field [0001] The invention relates to a scheduling method, in particular to a scheduling method for a multi-channel synchronous self-organizing network, belonging to the technical field of wireless communication networks. Background technique [0002] Multi-channel synchronous self-organizing network is a network-wide synchronous self-organizing network with multiple physical channels in the frequency domain. It has the characteristics of low delay, high throughput, and high capacity. Wireless communication equipment such as relay nodes, base stations, and mobile terminals. [0003] The existing single-transceiver multi-channel synchronous self-organizing network MAC protocols mainly include MMAC (Multi-channelMediaAccessControl), TDMAC (TDMAbasedMMAC), SCCH (SlottedSeededChannelHopping), these three protocol channel access methods are CSMA (CarrierSenseMultipleAccess), through the monitoring channel Use the random back-off mechanism to occupy the channel, and sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W84/18
CPCH04W84/18H04W72/535
Inventor 梁静吕欣岩朱双贺高浩真
Owner JIANGSU ZHONGKE YILIAN COMM TECH CO LTD
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