Inter-capability semi-static resource scheduling method of different terminals

A technology of terminal capability and resource scheduling, applied in the field of LTE communication, can solve the problem of inability to guarantee service QoS, and achieve the effect of precise scheduling, satisfying service QoS, and maximizing resource utilization.

Inactive Publication Date: 2018-10-09
BEIJING XINWEI TELECOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the technical problem that one party cannot guarantee service QoS when users of different terminal capability levels coexist in the system proposed in the background technology, the present invention proposes a semi-static resource scheduling method between different terminal capability levels, which includes:

Method used

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Embodiment 1

[0016] In the McWiLL system, when reconfiguring its own resources, each user terminal will first allocate the resources required by its own minimum service bandwidth. If this part of resources is satisfied, but the user terminal still has a remaining service bandwidth request, the current system status needs to be considered. Calculate the resource gap in the system, and determine whether you can continue to allocate air interface resources and how much air interface resources you can continue to allocate according to the calculation results. Through this solution, it is possible to realize resource assignment and resource preemption during user reconfiguration. In this embodiment, 1M terminals and 5M terminals are used as examples. In order to realize resource preemption between 1M terminals and 5M terminals, it is necessary for 1M terminals to consider the resource gap of 5M terminals when reconfiguring resources, and vice versa. .

[0017] In this embodiment, it is assumed...

Embodiment 2

[0026] In this embodiment, it is assumed that the bandwidth of the McWiLL system is 5 MHz, and the entire bandwidth includes 5 subcarrier groups of SCG1-SCG5. User A is a 1M terminal with a minimum service bandwidth of 500Kbps; user B is a 1M terminal with a minimum service bandwidth of 400Kbps; user C is a 5M terminal with a minimum service bandwidth of 3Mbps.

[0027] The 5M terminal must also consider the resource gap of the 1M terminal when reconfiguring resources. First, calculate the available resources of each SCG (subtract the resource gap of the 1M terminal from the idle resource, and replace it with zero if it is less than zero), and then replace all 5 The sum of allocatable resources of each SCG is used as the resource upper limit that 5M terminals can continue to allocate.

[0028]When 5M terminals allocate resources, they adopt the resource allocation strategy of maximum throughput, that is, time-frequency domain resources with good signal-to-noise ratio are prefe...

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Abstract

The invention provides an inter-capability semi-static resource scheduling method of different terminals in a McWiLL system. The method comprises that each terminal allocates resource needed by a minimal service bandwidth at first during resource reallocation, and if the terminal has residual service bandwidth requests, the upper limit of resources that can be distributed is determined according to resource gaps of all other terminals in the system. Thus, wireless resources can be occupied and transferred among the terminals with different bandwidth capabilities in the system, and wireless resource of the system can be scheduled more accurately.

Description

technical field [0001] The invention relates to the field of LTE communication, in particular to a semi-static resource scheduling method between different terminal capability levels in a McWiLL system. Background technique [0002] In a wireless communication system, since the available frequency resources are very limited, in order to make full use of the frequency resources to serve more users, the system shares the wireless resources with multiple terminals, and each terminal can use a part of them for data transmission. Transmission, which requires the system to coordinate the occupancy of wireless resources by multiple terminals and perform wireless resource scheduling. There are two scheduling methods in existing scheduling technologies: dynamic scheduling that notifies terminals of resources occupied in real time, and semi-static scheduling that notifies terminals to change resources only when resources change. [0003] The McWiLL wireless communication system is a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/08H04W72/12
CPCH04W72/121H04W72/1263H04W72/54H04W72/535
Inventor 黄其华曹伟义马骏董源
Owner BEIJING XINWEI TELECOM TECH
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