Frequency domain differential CQI report method and equipment of dynamic configuring maximum differential valve

A dynamic configuration, maximum difference technology, applied in multi-frequency code systems, link quality-based transmission modification, digital transmission systems, etc., can solve the problem of heavy uplink signaling and achieve the effect of optimizing signaling

Inactive Publication Date: 2007-07-18
BEIJING SAMSUNG TELECOM R&D CENT +1
View PDF0 Cites 20 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for each user equipment, the more scheduling frequency bands i

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
  • Frequency domain differential CQI report method and equipment of dynamic configuring maximum differential valve
  • Frequency domain differential CQI report method and equipment of dynamic configuring maximum differential valve
  • Frequency domain differential CQI report method and equipment of dynamic configuring maximum differential valve

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0050] Example

[0051] To illustrate the method of the present invention, an example of the method of the present invention is given below. In this embodiment, the total number of sub-bands in the system is M=8, and the number of CQI sub-bands to be reported by each user equipment in the system is fixed at N=4. It is assumed that the channel quality of a user equipment on 8 sub-bands is shown in Figure 8. The network-side RRC protocol terminated entity initially configures the user with a maximum frequency domain differential CQI value of 7 (binary value 111).

[0052] The entity that terminates the RRC protocol on the network side can initially configure the maximum frequency domain differential CQI value for the user in two ways: one is to directly indicate the maximum frequency domain differential CQI value is 7 (binary value 111), and the other One is to indicate that the number of information bits required for the user equipment to report the frequency domain differential CQ...

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

This invention relates to a method for a frequency domain difference reporting CQI dynamically configuring differ3ence values including the following steps: a network end transmits the initial configuration information of frequency domain maximum difference CQI value to a user device to configure the maximum difference CQI value of the initial frequency domain of the user device, the user measures relatively to send the CQI report of frequency domain difference to the base station, the network end sends the re-configuration information of the domain maximum difference CQI value to re-configue the maximum difference value, which avoids reporting the absolute CQI value of all reporting bands by reporting the difference value of the CQI value of other reporting bands and the optimum sub-band and realizes the dynamic control of the difference bit number expressing difference value to further optimize the CQI report signaling.

Description

technical field [0001] The invention relates to a wireless communication system, in particular to a reporting method for channel quality indication used for frequency domain scheduling in the wireless communication system. Background technique [0002] Now, the third generation partnership project (referred to as 3GPP) standardization organization has begun to carry out long-term evolution (LTE) of its existing system specifications. Among many physical layer transmission technologies, Orthogonal Frequency Division Multiplexing (OFDM) technology has become a promising one among all downlink schemes because of its high spectrum utilization rate and low processing complexity. [0003] OFDM technology is essentially a multi-carrier modulation communication technology. Its basic principle is to decompose a high-rate data stream into several low-rate data streams and transmit them simultaneously on a group of mutually orthogonal sub-carriers. OFDM technology has performance adva...

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): H04L12/24H04L27/26
CPCH04L1/0029
Inventor 孙程君张玉建孙春迎李小强李周镐
Owner BEIJING SAMSUNG TELECOM R&D CENT
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap