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Priority processing method for medium access control layer of third generation mobile communication system

A medium access control and mobile communication system technology, applied in the field of priority scheduling processing of multiple logical channels by the MAC-d module, can solve problems such as low-priority data congestion, increase stability and reliability, and improve success rate effect

Inactive Publication Date: 2006-11-22
海安市联发制衣有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a priority processing method for the medium access control layer of the third generation mobile communication system, which can overcome the problem of low priority data being blocked when high priority data is frequently transmitted, thereby avoiding process failure

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  • Priority processing method for medium access control layer of third generation mobile communication system
  • Priority processing method for medium access control layer of third generation mobile communication system
  • Priority processing method for medium access control layer of third generation mobile communication system

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Embodiment Construction

[0032] In order to deeply understand the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033]The data delay time in the MAC layer mainly includes the following types: for data mapped to DCH, the delay time is the time when the logical channel data cannot be completely sent due to the limitation of TFC, that is, the delay time is the time when the data is in the logical channel; when mapped to FACH , the data on the DSCH, due to the flow control between the MAC-d module and the MAC-c / sh module, the data in the MAC-d module cannot be completely sent to the MAC-c / sh module, so the delay time of this type of data is included in The time in the logical channel and the waiting time in the MAC-c / sh module for failing to send to the physical layer in time after being sent to the MAC-c / sh module; the data mapped to the HS-DSCH also includes the data due to flow control The data delay ...

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Abstract

The invention discloses a third-generation mobile communication system medium switch-in control layer priority level treating method, which comprises the following steps: the wireless resource control layer distributes priority level for logic channel; MAC-d modular of medium switch-in control layer assigns weight value to priority level of channel and data delay level; MAC-d modular counts the delay time of every protocol data unit of logiccal communication channel; the priority level of logiccal communication channel is get according to the data delay time and weight value; the priority level is ranged according to the protocol data unit priority level; the data with the highest priority level is used for reference; the required sending data is treated and then sent by medium switch-in control layer.

Description

technical field [0001] The present invention relates to the third generation mobile communication system, in particular to a WCDMA system (Wide-band Code Division Multiple Access System, wideband code division multiple access system) air interface protocol medium access control layer (Medium Access Control, referred to as MAC ) in the MAC-d module priority scheduling processing method for multiple logical channels. Background technique [0002] Such as figure 1 As shown, in a WCDMA system, the user plane protocol radio link control layer (RadioLink Control, RLC for short) and the medium access control layer MAC not only need to transmit user service data, but also need to transmit high-level radio resource control layer (Radio Resource Control, RRC for short) signaling message. Among them, RLC divides, concatenates, fills, and adds serial numbers to the data of the upper layer, and MAC multiplexes or demultiplexes the data from or to the physical layer, and performs transm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L47/6275
Inventor 吕应权
Owner 海安市联发制衣有限公司