Transmission speed control method, wireless base station and wireless circuit control station

一种传送速度、无线基站的技术，应用在无线基站及无线线路控制台领域，能够解决无线品质恶化等问题

Inactive Publication Date: 2008-03-12
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] That is, by fixedly providing the upper limit of the transmission rate to the mobile station performing soft handover, the wireless quality during idle communication will be degraded.

Method used

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  • Transmission speed control method, wireless base station and wireless circuit control station
  • Transmission speed control method, wireless base station and wireless circuit control station
  • Transmission speed control method, wireless base station and wireless circuit control station

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no. 1 Embodiment approach

[0030] A transmission speed control system according to a first embodiment of the present invention will be described with reference to FIGS. 4 to 12 .

[0031] As shown in FIG. 4 , the mobile station wireless communication function unit provided in the mobile station of the transmission rate control system according to the first embodiment of the present invention includes a bus interface unit, a call processing unit, a baseband signal processing unit, and an RF unit.

[0032] Furthermore, as shown in FIG. 5 , the baseband signal processing unit includes an RLC processing unit, a MAC-d processing unit, a MAC-e processing unit, and a layer 1 processing unit.

[0033] Also, as shown in FIG. 6 , the MAC-e processing unit includes an E-TFC selection unit and a HARQ processing unit.

[0034] Here, the E-TFC selection unit is configured to receive a scheduling signal including an absolute speed control channel (E-AGCH) or a relative speed control channel (E-RGCH) transmitted from a...

no. 2 approach

[0059] The scheduling unit of the radio base station (each cell) in the transmission rate control system according to the second embodiment of the present invention is configured to determine the transmission rate of the mobile station performing soft handoff and the transmission rate of the mobile station not performing soft handoff. The speed difference or the transmission speed ratio controls the transmission speed of each mobile station based on the determined transmission speed difference or the transmission speed ratio.

[0060] Furthermore, the scheduling unit may be configured to: determine the upper limit value of the transmission rate of the mobile station performing soft handover, and set the transmission rate of each mobile station according to the determined upper limit value of the transmission rate. Take control.

[0061] Specifically, as shown in FIG. 13 , the scheduling unit uses the "soft handoff indicator" or "non-serving cell / serving cell information" sent ...

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Abstract

A transmission speed control method for controlling a transmission speed of a user data to be transmitted to a wireless base station from a mobile station. The transmission speed control method is provided with a step wherein a wireless circuit control station instructs a transmission speed difference or a transmission speed ratio between a transmission speed of a mobile station performing soft handover with a subordinate wireless base station and a transmission speed of a mobile station not performing soft handover with a subordinate wireless base station. The transmission speed control method is also provided with a step of controlling the transmission speed of each mobile station based on the transmission speed difference or transmission speed ratio.

Description

technical field [0001] The present invention relates to a transmission rate control method for controlling the transmission rate of user data transmitted from a mobile station to a radio base station, a radio base station, and a radio line controller. Background technique [0002] Conventionally, a mobile station performing soft handover (SHO) causes a lot of interference to a plurality of cells. Therefore, a technique is known in which soft handover is performed by reducing the transmission speed of a mobile station not performing soft handover (SHO). The transmission speed of the mobile station, thereby improving the throughput of the cell. [0003] For example, in Non-Patent Document 1, the cell throughput is improved by setting an upper limit of 256 kbps or 512 kbps to a mobile station performing soft handover. [0004] However, when the traffic is idle, such an upper limit is not set, but the transmission speed of the mobile station performing soft handover is further ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/22H04J13/00H04L12/28H04L12/56H04L29/08H04L45/851H04W28/00H04W28/22H04W36/18H04W36/38H04W72/04H04W92/12
CPCH04W28/22H04W36/18
Inventor 臼田昌史安尼尔·尤密斯中村武宏
Owner NTT DOCOMO INC
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