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Method, system and mobile terminal for dynamically increasing the upper limit of pdcch capacity

A capacity upper limit and dynamic technology, applied in multi-frequency code systems, electrical components, wireless communications, etc., can solve the problems of reducing the scheduling efficiency and occupation of time-frequency resources

Active Publication Date: 2017-11-24
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the problem with this method is that increasing the AL of the CCE can improve the reliability of DCI information transmission for a specific UE, but it occupies more PDCCH resources and reduces the number of UEs that can transmit DCI information at the same time, that is, to reduce the system The price of capacity is exchanged for the improvement of transmission reliability of DCI information
However, this method cannot realize the dynamic scheduling of time-frequency resources according to business requirements, thus significantly reducing the scheduling efficiency of time-frequency resources.

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  • Method, system and mobile terminal for dynamically increasing the upper limit of pdcch capacity
  • Method, system and mobile terminal for dynamically increasing the upper limit of pdcch capacity

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Embodiment Construction

[0059] The present disclosure will be described below with reference to the accompanying drawings. It is to be noted that the following description is merely explanatory and exemplary in nature, and in no way serves as any limitation of the present disclosure, its application or uses. Relative arrangements of components and steps and numerical expressions and numerical values ​​set forth in the embodiments do not limit the scope of the present disclosure unless otherwise specifically stated. Additionally, techniques, methods and devices known to those skilled in the art may not be discussed in detail but are intended to be part of the description where appropriate.

[0060] To solve the above problems, the following embodiments of the present disclosure provide a solution for dynamically increasing the upper limit of available time-frequency resources of the PDCCH channel. Under the premise of ensuring the backward compatibility of the LTE system, the technical solution incre...

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Abstract

The present disclosure relates to a method, system and mobile terminal for dynamically increasing the upper limit of PDCCH capacity. The method includes receiving a high-layer indication number sent by the network side through radio resource control RRC signaling, wherein the high-layer indication number is determined based on the channel quality of uplink data feedback and / or the number of users currently in an active state in the cell; according to the preset The defined allocation of the physical control format indication channel PCFICH identifies the control format indication CFI information carried in the PCFICH; determines the time-frequency resources occupied by the PDCCH according to the number of received high-level indications, the identified CFI information, and the user terminal version. The present disclosure can dynamically configure and identify the PDCCH capacity under the premise of ensuring backward compatibility.

Description

technical field [0001] The present disclosure relates to an LTE (Long Term Evolution, Long Term Evolution) mobile communication system, in particular, to a method, system and mobile terminal for dynamically increasing the upper limit of a PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) capacity. Background technique [0002] The 3GPP LTE system is a long-term evolution version of 3G (3rd Generation, third-generation mobile communication system). LTE system and existing GSM (Global System for Mobile communications, Global System for Mobile Communications), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access), CDMA2000 (Code Division Multiple Access2000, Code Division Multiple Access 2000) and other mobile communications Compared with the system, it provides higher user peak rate, larger coverage and better cell user QoS (Quality of Service, quality of service), etc. The LTE-A (LTE-Advanced) system is its enhanced...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04L27/26
Inventor 李欣陈鹏蒋铮
Owner CHINA TELECOM CORP LTD