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

Method and apparatus for uplink and downlink channel alignments for 3GPP continuous packet data connection (CPC) channels

A packet data connection and downlink technology, which is applied in the direction of synchronization devices, wireless communications, electrical components, etc., can solve problems such as subframe offsets, and achieve the effect of precise time alignment

Inactive Publication Date: 2011-08-24
QUALCOMM INC
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the subframe offset of the uplink (UL) and downlink (DL) channels, precise time alignment of the UL / DL channels for each successive packet data connection (CPC) channel cannot be achieved

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 and apparatus for uplink and downlink channel alignments for 3GPP continuous packet data connection (CPC) channels
  • Method and apparatus for uplink and downlink channel alignments for 3GPP continuous packet data connection (CPC) channels
  • Method and apparatus for uplink and downlink channel alignments for 3GPP continuous packet data connection (CPC) channels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The detailed description related to the accompanying drawings listed below is intended to describe various aspects of the disclosure of the present invention, but it does not mean that the present invention can only be implemented according to these aspects. Any aspect described in the present invention is merely an example or illustration of the present invention, and should not necessarily be construed as being preferred or more advantageous than other aspects. This detailed description includes certain specific details in order to provide a thorough understanding of the present disclosure. It will be apparent, however, to one skilled in the art that the practice of the invention may not be limited to these specific details. In some instances, well-known structures and devices are shown in block diagram form in order not to obscure the concepts of the present invention. Abbreviations and other descriptive terms are used for convenience and clarity only and shall not ...

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

An apparatus and method for implementing uplink and downlink channel fine time alignments for 3GPP continuous packet data connection (CPC) channels comprising determining if a HS-SCCH radio frame boundary is detected before a UL DPCCH radio frame boundary; aligning a transition of a UE_DTX_DRX_Enabled control signal from FALSE to TRUE to the HS-SCCH radio frame boundary or the UL DPCCH radio frame boundary, tagging a first DRX subframe to be 0, and tagging a first DTX subframe to be 0 depending on the determination; and monitoring configuration signals to determine alignments. In one aspect, the order of the tagging depends on the determination.

Description

technical field [0001] In general terms, the present disclosure relates to apparatus and methods for channel alignment. More specifically, the present disclosure relates to uplink and downlink channel alignment for 3GPP Continuous Packet Connection (CPC) channels. Background technique [0002] Both wired and wireless communication systems are evolving from traditional circuit-switched architectures to more flexible packet-switched architectures. With packet-switched communications, each communication session is broken down into the exchange of a series of small data packets, each of which contains address information in its header, to enable flexible, independent routing of each data packet. Data packets are sent from source to destination via cascaded transmission paths and network nodes. Depending on the routing decisions made at each network node, the transmission path for each packet can be different. [0003] Wireless communication networks may also employ packet-swi...

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 Applications(China)
IPC IPC(8): H04W56/00
CPCH04W56/00
Inventor L·A·许
Owner QUALCOMM INC
PatSnap Eureka logo

PatSnap Eureka turns technology decisions into work you can execute. Powered by our Innovation Knowledge Graph, it runs expert workflows across engineering, life sciences, materials and intellectual property. Get your review-ready output in minutes.

X (Twitter)LinkedInYouTubeSubstack

© 2026 PatSnap. All rights reserved. 

Terms of Service

 | 

Privacy policy

 | 

Modern Slavery Act Transparency Statement