TDMA (Time Division Multiple Access) time slot allocation method oriented to service requirements
A technology for time slot allocation and service requirements, applied in electrical components, wireless communications, etc., to solve problems such as low service priority, dynamic adjustment, and inability to transmit low-priority services.
Pending Publication Date: 2021-12-07
北京慧清科技有限公司
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Problems solved by technology
[0006] At present, various existing TDMA algorithms use node priority instead of service priority due to the fact that some network structures have master nodes or other factors. Relatively not urgent, resulting in unreasonable allocation of time slots, making it impossible to transmit urgent services of low-priority nodes. Some algorithms take into account the priority of services, but they are only fixedly assigned service priorities, which cannot be based on business conditions and network Dynamic adjustments to the situation may cause problems such as the inability to transmit low-priority services all the time
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[0053] The present invention provides a technical solution: a method for allocating TDMA time slots oriented to business requirements, comprising the following steps:
[0054] S1: Basic Priority
[0055] First, there is a basic business priority division based on business types, where the greater the number of business optimization level, the higher the priority (such as figure 2 shown in Table 1).
[0056] S2: Qos requirements
[0057] Taking into account the needs of Qos, we will dynamically adjust its priority according to the remaining time of the business;
[0058] Define the priority function related to QoS requirements as follows:
[0059]
[0060] where delay i is the delay requirement of service i, t wait，i / t remain，i is the waiting time or remaining time of service i;
[0061] When the service waiting time exceeds 1 / 3 of the delay requirement, P i (QoS)>1; when it exceeds 2 / 3 of the delay requirement, P i (QoS) > 2; Note that when the waiting time of th...
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The invention discloses a TDMA (Time Division Multiple Access) time slot allocation method oriented to service requirements. The method comprises the following steps: S1, basic priority; s2, Qos (Quality of Service) demand; s3, service volume demand; s4, the access success rate of the service is determined; s5, user fairness; and S6, comprehensive consideration. Aiming at the problem that the time slot distribution cannot be dynamically adjusted according to different service requirements in a TDMA protocol, the importance of the service, the QOS requirement and the service volume requirement are comprehensively considered, and the priority of the service is dynamically adjusted, so that the time slot is preferentially applied by the node with the high service priority during time slot application. The service is relatively fair, and the problem that the low-priority service cannot apply for the time slot all the time is avoided.
Description
technical field [0001] The invention relates to the technical field of TDMA time slot allocation, in particular to a service requirement-oriented TDMA time slot allocation method. Background technique [0002] TDMA (Time division multiple access) is a communication technology that implements a shared transmission medium (generally in the radio field) or network. It allows multiple users to use the same medium in different time slots, and each user successively transmits information in its own time slot. [0003] QoS (Quality of Service, Quality of Service) means that a network can use various basic technologies to provide better service capabilities for specified network communications. QoS requirements generally refer to requirements for some service parameters (throughput, delay, etc.). [0004] Service priority is a key indicator to distinguish the importance of different services. By distinguishing the priorities of different services, network efficiency can be effectiv...
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IPC IPC(8): H04W72/04H04W72/08H04W72/10H04W72/54
CPCH04W72/0446H04W72/543H04W72/56Y02D30/70
Inventor 龙飞宋晗赵冠群张少杰
Owner 北京慧清科技有限公司