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

Processing method of carrier wave deactivation and user equipment (UE)

A technology of user equipment and processing method, which is applied in the field of communication, can solve problems such as data transmission loss and failure to receive a successful response from the base station, and achieve the effect of ensuring data transmission

Inactive Publication Date: 2011-10-12
ZTE CORP
View PDF2 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] 7. Uplink retransmission process. During the uplink data transmission process, the UE may not receive a successful response from the base station due to data transmission failure, and perform uplink retransmission
The inventors found that after the carrier is deactivated, the DRX process running on the carrier will be interrupted accordingly, resulting in the loss of data transmission of the UE on the deactivated carrier

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
  • Processing method of carrier wave deactivation and user equipment (UE)
  • Processing method of carrier wave deactivation and user equipment (UE)
  • Processing method of carrier wave deactivation and user equipment (UE)

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] This preferred embodiment 1 describes the process of deactivating the carrier to the running "short DRX process".

[0086] In related technologies, the purpose of introducing the short DRX process is that within a period of time after data transmission or under the expectation of the base station, it is more likely that subsequent data transmission will be required, and the UE will continue to stay in the short DRX process to prepare for timely Once the short DRX process is triggered, its duration is determined by the drxShortCycleTimer timer.

[0087] The start of the short DRX process is triggered by an aperiodic process, that is, the drx-InactivityTimer times out or the DRX Command sent by the base station is received. The short DRX procedure can be set as a carrier-specific procedure or a UE-specific procedure. The so-called carrier-specific process means that the UE maintains a drxShortCycleTimer timer for each activated carrier, the short DRX process is triggered...

Embodiment 2

[0095] The second preferred embodiment describes the process of deactivating the carrier to the running "activity detection process".

[0096]In carrier aggregation, UE can work on up to 5 downlink carriers. The "activity detection process" can be set as a carrier-specific process or a UE-specific process. The so-called carrier-specific process means that the UE maintains a drx-InactivityTimer timer for each activated carrier, and receives the first uplink or downlink transmission scheduled by PDCCH on the activated carrier, and the UE starts or restarts the corresponding drx-InactivityTimer timer on the carrier ; The so-called UE-specific process means that a UE only maintains a drx-InactivityTimer timer, and any active carrier receives the first uplink or downlink transmission scheduled by the PDCCH, and the UE starts or restarts the timer.

[0097] In this preferred embodiment, when the carrier is deactivated, the UE performs corresponding processing according to the chara...

Embodiment 3

[0104] The third preferred embodiment describes the process of deactivating the carrier to the running "downlink waiting for retransmission process".

[0105] The "downlink waiting for retransmission process" is implemented based on the HARQ rule. After receiving the downlink data scheduling, the UE will start an RTT timer for the HARQ process that received the downlink data. If the UE does not perform the received data before the RTT timer expires If the decoding is successful, a drx-RetransmissionTimer will be started for the HARQ process after the RTT timer expires to ensure that the UE is always in the active time state during the retransmission process.

[0106] In this preferred embodiment, when the carrier is deactivated, the UE performs corresponding processing on the running "downlink waiting for retransmission process" according to different deactivation modes.

[0107] method one

[0108] If the base station deactivates the carrier through display signaling, becaus...

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 processing method of carrier wave deactivation and user equipment (UE). The method comprises the following steps: UE determines that a DRX (discontinuous reception) function runs on the carrier wave; when the running of the DRX function is finished, the carrier is conducted in a process of deactivation. The invention ensures the data transmission of the UE on the deactivated carrier.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a carrier deactivation processing method and user equipment. Background technique [0002] In Long-Term Evolution (LTE for short), the maximum downlink transmission bandwidth supported by the system is 20 MHz. [0003] In order to provide higher data rates for mobile users, Long Term Evolution Advance (LTE-A) proposes a carrier aggregation technology (CarrierAggregation, referred to as CA), the purpose of which is to provide corresponding capabilities for user equipment (User Equipment, referred to as UE) provides greater bandwidth and increases the peak rate of the UE. The CA aggregates two or more component carriers (Component Carriers, CC for short) to support a downlink transmission bandwidth greater than 20 MHz, and the maximum does not exceed 100 MHz. [0004] figure 1 is a schematic diagram of carrier aggregation according to related technologies, such as figure 1 As...

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): H04W52/02H04W72/12
CPCY02D30/70
Inventor 施小娟黄亚达
Owner ZTE CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com