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Dispatching method controlled from base station for enhancing up going shared channel in mobile communication system

A technology of mobile communication system and shared channel, which is applied in the scheduling field of base station control with enhanced uplink shared channel in the mobile communication system, which can solve the problems that the TDD system is not fully applicable, alleviate the problem of limited uplink codewords, and have a wide range of applications , the effect of avoiding collision

Inactive Publication Date: 2005-06-15
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] From the above analysis, it can be seen that the time and rate scheduling scheme controlled by the base station (Node B) for the FDD system is not fully applicable to the TDD system

Method used

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  • Dispatching method controlled from base station for enhancing up going shared channel in mobile communication system
  • Dispatching method controlled from base station for enhancing up going shared channel in mobile communication system
  • Dispatching method controlled from base station for enhancing up going shared channel in mobile communication system

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Embodiment

[0089] The present invention proposes a scheduling method applicable to the enhanced base station (Node B) control of the uplink shared channel (USCH) in a TDD CDMA mobile communication system. The data service transmitted by the channel (USCH) is controlled to realize the scheduling of the USCH transmission of the UE in the cell. In order to facilitate the understanding of the present invention, an embodiment of the Node B scheduling process in a low code rate TDD (LCR-TDD) system is provided below, and its schematic diagram is as follows Image 6 shown.

[0090] Assume that in the LCR-TDD system, N is set in the current cell usc = 4 pairs of shared control channels (EU-SICH / EU-SCCH), and there are N u = 11 uplink enhanced users who are using USCH for service transmission. Since there are only 4 pairs of shared control channels in the cell, only 4 UEs can send scheduling information at most in each subframe. Then, to transmit the scheduling information of all uplink enhan...

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Abstract

The disclosed method includes steps: Node B broadcasts information of shared channels through broadcast channel; Node B sets up time interval of reporting dispatch information; Node B transfers serial number of shared channels through down going DPCH of UE in sequence to selected UE; control state of UE wireless resources possessing enhanced function must be in state of subzone-dedicated channel; after receiving serial number, UE sends dispatch information through up-going enhanced shared channel; after receiving dispatch information of all UE, Node B determines UE to be dispatched and assignation information for dispatch; the said assignation information for dispatch through EU-SCCH related to EU-SICH is sent to UE needed to dispatch. The invention realizes quick dispatching for DCH transmission of UE in subzone. Advantages are: not need of assigning a dedicated physical controlled channel for each UE, releasing issue of limited up-going code in TDD system.

Description

technical field [0001] The present invention relates to a scheduling method with uplink enhanced base station (Node B) control in a Time Division Duplex Code Division Multiple Access (TDD CDMA for short) mobile communication system, specifically, Node B utilizes physical layer signaling to user equipment ( The transmission rate, transmission time, transmission time slot and transmission codeword of the uplink shared channel (USCH) of the UE are controlled, so as to realize the scheduling of the data service transmission on the USCH of the UE by the Node B. Background technique [0002] The 3rd Generation Partnership Project (abbreviated as 3GPP) is a technical standardization organization implementing the 3rd generation mobile communication system, wherein the 3rd generation mobile communication technology standard includes Frequency Division Duplex (FDD) and Time Division Duplex (TDD) modes. Since its establishment, 3GPP has announced in October 1999 the third-generation mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04B7/005H04W72/12
Inventor 孙程君王平李玄又朴成日李惠英金秉润金成训郑扩勇
Owner BEIJING SAMSUNG TELECOM R&D CENT
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