Unlock instant, AI-driven research and patent intelligence for your innovation.

A random access method and device based on resource allocation

A random access and resource allocation technology, applied in the field of wireless communication, can solve the problems of low access success rate of retransmission terminals and prolonged average access time

Active Publication Date: 2019-07-05
BEIJING UNIV OF POSTS & TELECOMM +1
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The embodiment of the present invention discloses a random access method and device based on resource allocation, which are used to solve the problems of low retransmission terminal access success rate and long average access delay in traditional random access methods

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A random access method and device based on resource allocation
  • A random access method and device based on resource allocation
  • A random access method and device based on resource allocation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] The following describes a random access method based on resource allocation provided by the embodiment of the present invention, such as figure 1 As shown, an embodiment of the present invention provides a random access method based on resource allocation, which is applied to a network device, and the method may include:

[0065] S101: Acquire the number of newly arrived terminals and the number of retransmission terminals in the current cycle;

[0066] It is understandable that in each period of random access, the number of all terminals that initiate random access requests in the current period is the sum of the number of newly arrived terminals and the number of retransmission terminals in the current period, and the current period is obtained. After the number of new arrival terminals and the number of retransmission terminals, the number of all terminals that initiated random access requests in the current cycle can be obtained.

[0067] It should be noted that the metho...

Embodiment 2

[0118] Such as figure 2 Shown is a schematic structural diagram of a random access device based on resource allocation provided by an embodiment of the present invention, and the device is used to perform the foregoing figure 1 The method shown is applied to network equipment, and the device may include:

[0119] The quantity acquisition module 210 is configured to acquire the quantity of newly arrived terminals and the quantity of retransmission terminals in the current cycle;

[0120] The resource allocation module 220 is configured to determine the resource allocation of PRACH and PUSCH in the current cycle and the maximum number of successful access terminals according to the number of newly arrived terminals and the number of retransmission terminals in the current cycle;

[0121] The first determining module 230 is configured to determine whether the number of newly arrived terminals is not greater than the maximum number of successfully accessed terminals;

[0122] The first ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The embodiment of the present invention discloses a random access method and device based on resource allocation, which is applied to network equipment. The method includes: acquiring the number of newly arrived terminals and the number of retransmitted terminals in the current period; The number of arriving terminals and the number of retransmission terminals determine the resource allocation of PRACH and PUSCH in the current cycle and the maximum number of successful access terminals; determine whether the number of newly arrived terminals is not greater than the maximum number of successful access terminals; if so, Allow all the newly arrived terminals to perform default random access of the current period according to the resource allocation of the PRACH and PUSCH; if not, perform random access according to the currently acquired random number and restriction factor corresponding to the newly arrived terminals. Adopting this solution can improve the access success rate of the retransmission terminal in the current cycle, and greatly reduce the average access delay.

Description

Technical field [0001] The present invention relates to the field of wireless communication technology, in particular to a random access method and device based on resource allocation. Background technique [0002] With the rapid development of the Internet of Things, there will be a large number of Internet of Things terminals in the future wireless communication network. When a terminal communicating between a machine and a machine (Machine-to-Machine, M2M) requires access to the network, the uplink channel is used to complete random access and perform data transmission. Among them, the Physical Random Access Channel (PRACH) ) Is used to send the preamble sequence, and the Physical Uplink Shared Channel (PUSCH) is used for data transmission. [0003] Random access is the first step for a terminal to access the network. The random access of the LTE (Long Term Evolution) system is generally implemented through the following steps: [0004] Step 1: The terminal randomly selects a pr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W74/08
CPCH04W74/0833H04W72/52
Inventor 张宁波康桂霞王荆宁伍亚丽
Owner BEIJING UNIV OF POSTS & TELECOMM