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

Random access probe transmitting method and apparatus

A technology of random access and transmission method, applied in the field of communication, can solve the problems such as the inability to reflect the priority and reduce the efficiency of random access, and achieve the effect of improving the access efficiency and ensuring the quality of service

Active Publication Date: 2011-10-26
HUAWEI TECH CO LTD
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In this way, for all terminals in the cell, the random access probes are sent in the same way, so the priority of random access initiated in different environments cannot be reflected
In this way, the low-priority random access process and the high-priority random access process compete equally for channel resources, so that the low-priority random access process has a negative impact on the high-priority random access process. Greater interference reduces the efficiency of random access

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
  • Random access probe transmitting method and apparatus
  • Random access probe transmitting method and apparatus
  • Random access probe transmitting method and apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0040] In the first embodiment according to the present invention, a method for sending a random access probe is provided. The random access probe sending method according to the first embodiment will be described below with reference to the accompanying drawings, wherein, figure 2 It is a flow chart showing a random access probe sending method according to the first embodiment of the present invention.

[0041] refer to figure 2 , the method for sending random access probes according to the first embodiment of the present invention includes the following steps: S202, divide the random access probes into different priorities according to specific factors; S204, the mobile terminal determines the The priority of the current random access probe; and S206, the mobile terminal sets relevant parameters for sending the current random access probe according to the priority of the current random access probe.

[0042] Among them, specific factors include urgency, quality of service....

example 1

[0049] Refer below image 3 The priority example 1 according to the first embodiment of the present invention will be described. Such as image 3 As shown, the priority of the random access probe is divided into three levels according to the environment when the access is initiated. The first priority is a random access probe sent by a terminal of a real-time service when initiating cell handover. The second priority is the random access probe sent when the real-time service uplink is initialized. Other random access probes are classified as the third priority.

[0050] exist image 3 In the example shown, random access probes with different priorities have different incremental step sizes. Such as image 3 As shown, the incremental step size of the probe sequence of the second priority is larger than that of the third priority, so only Np-1 times can reach the maximum transmission power of the third priority. The initial transmit power of the first priority is greater ...

example 2

[0052] Refer below Figure 4 The priority example 2 according to the first embodiment of the present invention will be described.

[0053] Such as Figure 4 As shown, in this example, the business is divided into three priority levels, and the grouping method is the same as that of Example 1, but the parameters of the probes of the three priority levels are different from those of Example 1. Such as Figure 4 As shown, the first and second priorities have shorter transmission intervals than the third priority, which can reduce interference from users with lower priorities to users with higher priorities. Compared with the second priority, the first priority has a larger transmission initial power and incremental step size, which can make the first priority easier to access than the second priority.

[0054] It can be seen from the above specific implementation manners that the efficient random access probe sending method applied to the wireless cellular communication system...

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 invention discloses a transmiting method for random access probe, the method comprises following steps: the first step, dividing random access probes into different priority according to specific factors; the second step, the mobile terminal determines the priority of present random access probe which is used for starting random access; the third step, the mobile terminal sets correlation parameters for transmiting present random access probe according to the priority thereof. Moreover, the invention discloses a transmiting device for random access probes. The invention can improves the access efficiency when multiuser is accessed random, guaranteens QoS of different services in different communication environment.

Description

technical field [0001] The present invention relates to the communication field, and more particularly, relates to a random access probe sending method and device, which can be applied to a wireless cellular communication system. Background technique [0002] All current wireless mobile communication systems need to support a certain number of user terminals. The system includes a certain number of base stations, and each base station needs to communicate with a certain number of users at the same time. [0003] User terminals are randomly scattered within the coverage of base stations in the entire communication system. After the mobile terminal captures the mobile network, it is usually in a standby state. When the user terminal needs to communicate with the base station, it needs to initiate a random access procedure. Therefore, the random access technology plays an important role in various wireless communication multiple access systems. [0004] A random access chan...

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): H04W28/24H04W74/08
CPCH04W74/0875H04W74/0866
Inventor 阮卫杜颖钢
Owner HUAWEI TECH CO LTD