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Contention-based resource allocation method and device for low-power d2d communication

A technology of resource allocation and available resources, applied in the field of contention-based resource allocation, can solve the problem that TDMA is not suitable for extending to coverage

Active Publication Date: 2020-01-10
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the presence of multiple master nodes, it is necessary to control resource allocation among multiple nodes, and this creates additional control signal overhead and delay
Therefore, TDMA is not suitable for networks that can be extended to cover wide areas such as D2D communication networks

Method used

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  • Contention-based resource allocation method and device for low-power d2d communication

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Embodiment Construction

[0058] discussed below Figure 1 to Figure 19 The various embodiments used to describe the principles of the disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those of ordinary skill in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged wireless communication device. The present disclosure is directed to D2D broadcasting, but is also applicable to other types of wireless communications with minor modifications without departing from the scope of the present disclosure. Embodiments of the present disclosure are also applicable to various types of broadcast-based services without being limited to D2D broadcast.

[0059] The present disclosure can be realized by D2D UE. In some embodiments of the present disclosure, the UE operates as a transmitting UE. Whether the UE operates as a transmitting UE or as a receiving UE is d...

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Abstract

Provided are a contention-based resource allocation method and apparatus used in low-power device-to-device (D2D) communication. The resource allocation method of a device-to-device (D2D) terminal in the present disclosure includes: selecting an available resource in a frame, monitoring to detect that a signal is received while the backoff timer is running, and when there is no When a signal is received on the available resource, D2D communication is performed using the available resource.

Description

technical field [0001] The present disclosure relates to a contention-based resource allocation method and apparatus used in low-power device-to-device (D2D) communication. Background technique [0002] With the increasing number of smart phones, mobile data services are growing rapidly. By focusing on the increase in the number of smartphone users and the resulting increase in various application services such as social networking services (SNS) and games, it can be expected that mobile data services will grow faster than before. Also, if human-to-machine and machine-to-machine communication are popularized in addition to human-to-human communication, it is likely to increase traffic concentrated to base stations to an uncontrollable level. [0003] Therefore, a technique to solve this problem is required. Device-to-device (D2D) communication is one such technology. D2D communication is a promising technology in both licensed band communication systems such as cellular s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/02H04W74/08
CPCY02D30/70H04W92/18H04W72/25H04W24/08H04W72/02
Inventor 薛鹏朴承勋柳贤锡朴廷镐崔相元
Owner SAMSUNG ELECTRONICS CO LTD