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Methods and apparatus of allocating scheduling request resources in mobile communication networks

A technology for scheduling requests and resources, applied in the directions of 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: 2018-10-02
MEDIATEK INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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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

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  • Methods and apparatus of allocating scheduling request resources in mobile communication networks
  • Methods and apparatus of allocating scheduling request resources in mobile communication networks
  • Methods and apparatus of allocating scheduling request resources in mobile communication networks

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Embodiment Construction

[0026] Reference will now be made in detail to some embodiments of the present invention, which are described with reference to the accompanying drawings.

[0027] 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 tran...

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Abstract

Various schemes are provided to improve SR resource utilization by adapting SR resource allocation to traffic pattern. In a first Scheme, SR resource allocation is configured more accurately. In one example, UE provides assistant information for eNB to determine or adjust SR configuration based on the received assistant information. In a second Scheme, multiple SR periods are configured and adapted to traffic pattern. In one example, eNB configures a set of SR resources with multiple SR periods, and UE applies different SR periods based on predefined events. Unused SR resources could be recycled by eNB for PUSCH data transmission. In a third Scheme, multiple SR allocations are configured and adapted to concerned applications. In one example, eNB configures multiple sets of SR resources adapted to predefined applications, and UE applies SR configurations based on corresponding applications. The additional SR configurations could be activated and / or deactivated.

Description

technical field [0001] 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 [0002] 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 multiple evolved Node Bs (evolvedNode-B, eNB), wherein the multiple eNBs communicate with the LTE-Us interface through the LTE-Us interface. Multiple mobile stations communicate, and the mobile station is called user equipment (User Equipment, UE). The wireless access network is further connected to the core network (Core Network, CN) to provide end-to-end services, wherein the cor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/12
CPCH04L5/0053H04L5/0094H04L5/0098H04W76/28H04W72/21H04W72/23
Inventor 周建铭徐家俊波乔·麦可·康森恩
Owner MEDIATEK INC
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