Initial access resource distribution method, distributor and communication equipment

A technology of initial access and allocation method, applied in the field of communication, to achieve the effect of reducing the probability of conflict, reducing the possibility of conflict and improving efficiency

Active Publication Date: 2018-10-02
MEIZU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, UE (User Equipment, user terminal) sends a preamble (random access preamble) based on contention in order to establish an initial connection with the base station, Before sending the preamble, the UE listens to the SIB (system information base, system information block) sent by the base station to obtain the time-frequency resource for sending the preamble. It is very likely that the terminal supporting eMBB and the terminal supporting URLLC select the same time-frequency resource to send the preamble , this will cause a conflict, then the terminal will select the time-frequency resource to send the preamble again. For the URLLC terminal, due to its strict time delay requirement, it is obvious that the method of random access to the network in the above existing mechanism cannot To meet the needs of URLLC, it needs to be changed

Method used

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  • Initial access resource distribution method, distributor and communication equipment
  • Initial access resource distribution method, distributor and communication equipment
  • Initial access resource distribution method, distributor and communication equipment

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Embodiment Construction

[0051] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0052] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, therefore, the protection scope of the present invention is not limited to the specific details disclosed below. EXAMPLE LIMITATIONS.

[0053] In the embodiment of the first aspect of the present invention, a method for allocating initial access resources is proposed for a terminal, figure 1 A schematic flow diagram showing a method for ...

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Abstract

The invention provides an initial access resource distribution method for a terminal, a distributor, an initial access resource distribution method for a base station, a distributor and communicationequipment; the initial access resource distribution method for a terminal comprises the following steps: receiving information of a system information block; obtaining distribution information of timefrequency resource from the information of the system information block, wherein the distribution information is used for sending a random access lead code, and selecting time frequency resource according to the distribution information; sending the random access lead code on the time frequency resource. The method and device can reduce the probability that the terminal and terminals supporting other businesses select the same time frequency resource to send the random access lead code, thus reducing the conflict generation probability, and improving the networking efficiency.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular, to a method and device for allocating initial access resources for terminals, a method and device for allocating initial access resources for base stations, and a communication device . Background technique [0002] Currently, the research and development of the 5th generation mobile communication system (5G) is in full swing. According to future application requirements, the 5G system needs to support a variety of business scenarios. Among them, Ultra-reliable and Low Latency Communications (URLLC) communication scenarios such as unmanned driving and industrial automation have attracted widespread attention. 5G application scenarios also include enhanced mobile broadband (Enhance Mobile Broadband, eMBB). The terminals supporting these two scenarios are all in the GNB (5G base station) network and initially connected to the GNB. Since the terminal of the URLLC ser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/00H04W74/08H04L5/00
CPCH04L5/0048H04W72/0446H04W72/0453H04W74/002H04W74/0833H04W72/20
Inventor 董贤东
Owner MEIZU TECH CO LTD
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