Method and equipment for scheduling resources in car networking system
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A technology for scheduling equipment and resources, applied in the field of Internet of Vehicles systems
Active Publication Date: 2015-10-14
CHINA ACAD OF TELECOMM TECH
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[0005] To sum up, the existing time slot resource allocation algorithm is completely completed through the interaction between nodes. At present, there is no technical solution to realize the time slot resource allocation in the Internet of Vehicles system through centralized scheduling on the network side.
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Embodiment 1
[0202] Embodiment 1. Division of resource areas.
[0203] Assume that each cell is divided into three geographical areas, namely: the geographical area divided by cell 1 is {A1, B1, C1}, the geographical area divided by cell 2 is {A2, B2, C2}, ..., cell N The geographical area divided into {A N ,B N ,C N}, where geographic areas A1, A2, ..., A N The same time slot resources can be reused within the geographical area B1, B2, ..., B N The same time slot resources can be reused within the geographical area C1, C2, ..., C N The same time slot resource can be reused within. When the base station divides the time slot resources that can be scheduled in each geographical area, it needs to ensure that the node 11 in the geographical area A1 and the node 2 in the geographical area A2 can use the same time slot resources. When the vehicle 1 and the vehicle 2 send information at the same time , the vehicle 3 in the geographical area B1 can only correctly decode the information sent...
Embodiment 2
[0204] Embodiment 2, the resource request process when node A changes the resource area.
[0205] by Figure 7 In the geographical area division structure shown, when node A enters the cell, it determines that it is currently in geographical area A1 according to its own GPS positioning information combined with the virtual electronic fence information. At this time, node A reports its own location information to the base station (ie Geographical area A1), and at the same time request time slot resources from the base station. The base station allocates time slot resources to node A according to the current time slot occupancy situation, assuming that time slot 2 is allocated. So far, node A occupies time slot 2, as long as node A is still in the geographical area A1, it does not need to report location information to the base station.
[0206] When the node moves from the geographic area A1 to the geographic area B1, the node sends a change area message to the base station. ...
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Abstract
Disclosed are a method and apparatus for resource scheduling in an Internet of Vehicles system, to implement allocation of timeslot resources in the Internet of Vehicles system through centralized scheduling at a network side. The method comprises: a scheduling apparatus receives information, reported by a first node, about geographic areas corresponding to the first node; and the scheduling apparatus determines timeslot resources that can be scheduled in the geographic areas reported by the first node, and allocates timeslot resources for the first node from the determined timeslot resources, wherein each cell is divided into multiple geographic areas; and non-adjacent geographic areas in the same cell can use the same timeslot resources and/or non-adjacent geographic areas in different cells can use the same timeslot resources. The centralized scheduling of the timeslot resources ensures communication between nodes in a preset range, to prevent collision of the timeslot resources used by the nodes.
Description
technical field [0001] The present invention relates to a vehicle networking system, in particular to a resource scheduling method and device in the vehicle networking system. Background technique [0002] In a Long Term Evolution (LTE) system, devices that are close to each other are allowed to directly perform Device to Device (Device to Device, D2D) communication (communication). For ease of description, the link that defines direct communication between D2D terminals is called a D2D link (D2D link), and the cellular communication link between the network and D2D terminals is called a Device to Network (D2N) link. (link), its network architecture is as follows figure 1 shown. [0003] With the development of vehicle communication systems and the gradual maturity of mobile ad hoc network technology, in order to realize real-time, dynamic and intelligent management of vehicles, a short-range communication (Dedicated Short Range Communications, DSRC) technology for vehicle...
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