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Joint processing method of multiplexing and scheduling in medium access control layer of long-term evolution system

A technology of media access control and long-term evolution system, which is applied in the direction of using the return channel for error prevention/detection, electrical components, wireless communication, etc., to achieve the effects of improving efficiency, improving system throughput, and reducing signaling transmission

Active Publication Date: 2017-06-20
TIANJIN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

These need to cooperate closely with scheduling, so the mutual cooperation processing mechanism with scheduling is also very important, but it is not involved in many documents

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  • Joint processing method of multiplexing and scheduling in medium access control layer of long-term evolution system
  • Joint processing method of multiplexing and scheduling in medium access control layer of long-term evolution system
  • Joint processing method of multiplexing and scheduling in medium access control layer of long-term evolution system

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Embodiment Construction

[0059] Dynamic scheduling can flexibly handle real-time services and non-real-time services, and semi-static scheduling can handle Voip services and services with small and periodically generated data packets. The combination of the two scheduling and multiplexing processing mechanisms will be implemented for the downlink of the base station. provides a method.

[0060] The invention is a joint processing mechanism based on multiplexing and downlink scheduling in the MAC layer of the LTE system. Different services use different scheduling processing. After the processing is completed, the scheduling result is sent to the multiplexing, and the multiplexing performs packet grouping and other processing. , for the UE's uplink multiplexing, since the uplink scheduling is in the base station (eNODEB), it is calculated according to the buffer status report (BSR) indication and informs the base station of the number of resource blocks (RBs) for each UE that needs uplink scheduling. a...

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Abstract

The invention relates to the technical field of wireless communication, provides a suitable mutual cooperation processing mechanism for realizing joint scheduling in LTE, provides a new downlink method of a base station, and provides key technical support for improving the efficiency of an LTE base station. For this reason, the technical solution adopted by the present invention is a joint processing method of multiplexing and scheduling in the media access control layer of the long-term evolution system, and the UE uses the token bucket algorithm to allocate resources for each service according to the uplink scheduling instruction of the base station; it is characterized in that, The joint processing of dynamic and semi-static scheduling and downlink multiplexing in downlink scheduling, and the secondary allocation process of resources in downlink scheduling, the processing process includes a downlink dynamic scheduling module, a semi-static module, and a multiplexing module. The invention is mainly applied to wireless communication occasions.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and relates to a combined multiplexing and scheduling processing method and a scheduling secondary allocation method in a Long Term Evolution (LTE) system, in particular, to a combined multiplexing and scheduling processing method in a medium access control layer of a LTE system. [0002] technical background [0003] The main goals of LTE include: reducing latency, increasing user data rates, improving system capacity and coverage, and reducing operator costs. Due to the complexity of the current spectrum allocation situation, LTE needs to be able to allocate spectrum flexibly and efficiently transmit data on the allocated spectrum. LTE spectrum flexibility can be seen in the supported bandwidth allocation methods (6 modes from 1.4MHz to 20MHz are supported). The LTE physical layer adopts new technologies such as Orthogonal Frequency Division Multiplexing (OFDM) and Multip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12H04W72/04H04L1/18
Inventor 刘高华苏寒松张延红刘琳
Owner TIANJIN UNIV
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