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Method and device for allocating scheduling request resources in mobile communication network

A mobile communication network, scheduling request technology, applied in signaling allocation, transmission path sub-channel allocation, wireless communication, etc., can solve the problems of insufficient network and UE needs, insufficient and other problems

Active Publication Date: 2018-09-07
HFI INNOVATION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the business is more diverse, the traditional single SR allocation scheme may not be sufficient, or may not be sufficient to meet the needs of the network and UE

Method used

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  • Method and device for allocating scheduling request resources in mobile communication network
  • Method and device for allocating scheduling request resources in mobile communication network
  • Method and device for allocating scheduling request resources in mobile communication network

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Embodiment Construction

[0028] Reference will now be made in detail to some embodiments of the present invention, which are described with reference to the accompanying drawings.

[0029] figure 1 According to a novel aspect, in the wireless communication system 100, schematic diagrams of several schemes of SR resource utilization are provided. A wireless communication system 100 includes a UE 101 and a base station eNB 102 . In the LTE system, PUSCH is used to carry UL data from UE 101 to eNB 102, and as a response to DL transmission, SR, and Channel Quality Indication (CQI) reporting, and the Physical Uplink Control Channel (PUCCH) is used to carry Various UL control information, such as automatic repeat request (Automatic Repeat Request, ARQ) or hybrid automatic repeat request (hybrid ARQ, HARQ). When UE has UL data to transmit to eNB 102, UE 101 sends SR indication to eNB 102 through the allocated SR resources in PUCCH, and receives UL grant from eNB 102 in response, so that UL data can be tra...

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Abstract

The present invention proposes various solutions to improve SR resource utilization by adapting SR resource allocation to business conditions. In the first approach, SR resource allocation is configured more precisely. In one example, the UE receives assistance information for the eNB to decide or adjust SR configuration based on the received assistance information. In the second solution, configure multiple SR periods and adapt to the business status. In one example, the eNB configures a set of SR resources using multiple SR periods, and the UE uses different SR periods based on a predefined time. Unused SR resources can be reclaimed by eNB for PUSCH data transmission. In a third approach, multiple SR assignments are configured and adapted to associated applications. In one example, the eNB configures sets of SR resources to use predefined applications, and the UE uses SR configurations based on the corresponding applications. Additional SR configurations can be activated and / or deactivated.

Description

[0001] Cross References to Related Applications [0002] This application was submitted on March 23, 2012 in accordance with the requirements of 35 U.S.C. §119, and the application number is 61 / 615,041 titled "Method and Apparatus of Allocating Scheduling Request Resources in Mobile Communication Networks )", the subject matter of which is hereby incorporated by reference. technical field [0003] Embodiments disclosed in the present invention are generally related to mobile communication networks, and more specifically, related to allocating Scheduling Request (SR) resources (resources) to increase SR utilization while maintaining Quality of Service (QoS) Require. Background technique [0004] The Long-term evolution (LTE) system adopted by many operators provides high peak data rate, low delay and improved system capacity. In the LTE system, the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, E-UTRAN) includes mult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04L5/0053H04L5/0094H04L5/0098H04W76/28H04W72/21H04W72/23
Inventor 周建铭徐家俊波乔·麦可·康森恩
Owner HFI INNOVATION INC