Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method, communication system and user device for enhancing random access

A technology for random access, user equipment, applied in wireless communication, error prevention/detection using return channel, electrical components, etc., can solve the problem of inaccurate transmission power, synchronization process cannot be completed as soon as possible, and the quality of initial uplink control channel deteriorates and other issues to ensure the correctness

Active Publication Date: 2009-11-04
HUAWEI TECH CO LTD
View PDF0 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the initial uplink transmission power will be inaccurate, causing the quality of the initial uplink control channel to deteriorate, so that the uplink synchronization process cannot be completed as soon as possible; at the same time, the poor quality of the uplink control channel will also affect the correct transmission of uplink feedback information

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
  • Method, communication system and user device for enhancing random access
  • Method, communication system and user device for enhancing random access
  • Method, communication system and user device for enhancing random access

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The embodiment of the invention discloses a method for enhancing random access. When the Node B controls the enhanced random access initiated by the UE, the UE accesses through the power ramp-up process, so that the initial transmit power of the UE during uplink transmission is more accurate, which is conducive to the correctness of uplink transmission information and the completion of uplink synchronization as soon as possible. A method for enhancing random access in the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] figure 1 It is a schematic flowchart of an embodiment of an enhanced random access method in the present invention. Such as figure 1 As shown, the method includes:

[0024] 101. The Node B sends the HS-SCCH order.

[0025] In this step, the HS-SCCH order sent by the Node B carries the UEID and the E-DCH resource identity (E-DCH resource number) or the UE ID and the access preamble signature n...

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 relates to the field of communication, and discloses a method for enhancing random access. In the method, UE receives high-speed downlink shared control channel command HS-SCCH order transmitted by a base station node Node B, and the UE corresponding to UE ID carried by the HS-SCCH launches enhanced uplink access with rising power according to an access leading signature corresponding to an uplink transmission resource number carried by the received HS-SCCH order or an access leading signature corresponding to an access leading signature number. Meanwhile, the invention also discloses a communication system and the UE. With the method, the communication system and the UE, the invention can ensure that initial transmission power of the UE is more accurate during uplink transmission, and is beneficial to accurate transmission of uplink transmission and quick completion of uplink synchronization.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for enhancing random access, a communication system and user equipment. Background technique [0002] With the development of wireless communication technology, 3GPP (3rd Generation Partnership Project Wideband Code Division Multiple Access, Third Generation Partnership Project) introduced enhanced Random access is a new feature. Among them, the general process of enhanced random access includes random access preamble and resource allocation phase, conflict resolution phase, E-DCH (Enhanced Dedicated Channel, Enhanced Dedicated Channel) data transmission phase and release phase. [0003] With this new feature, UE (User Equipment, user equipment) in CELL_FACH state can receive downlink data through HS-DSCH (High Speed ​​Downlink Shared Channel, high speed downlink shared channel). [0004] In 3GPP WCDMA Release 7, the feature of downlink HS-DSCH transmission was introd...

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
IPC IPC(8): H04W74/08H04L1/16
Inventor 王宗杰贺传峰马洁
Owner HUAWEI TECH CO LTD
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com