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Transmitting device for assigning data for receiving device selected from plurality of receiving devices to shared channel

一种接收装置、发送装置的技术，应用在多路复用通信、基于链路质量的传输修改、使用信号质量检测器进行错误检测/预防等方向，能够解决吞吐量下降等问题

Inactive Publication Date: 2006-05-10
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, throughput drops

Method used

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  • Transmitting device for assigning data for receiving device selected from plurality of receiving devices to shared channel
  • Transmitting device for assigning data for receiving device selected from plurality of receiving devices to shared channel
  • Transmitting device for assigning data for receiving device selected from plurality of receiving devices to shared channel

Examples

Experimental program
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Effect test

no. 1 example

[0041] figure 2 is a block diagram showing the structure of the transmission path allocating apparatus 1 provided in the base station 100 according to the first embodiment of the present invention. The transmission path allocation apparatus 1 has a mobile station information processing section 11 connected to a receiving section 21 , a prediction processing section 12 , and a wireless packet allocation processing section 13 connected to a transmitting section 22 .

[0042] The receiving section 21 responds to the received data from the mobile station 200 received by the antenna 3. 1 to 200 n Demodulation, inverse spreading, analog / digital conversion, etc. are performed on the wireless signal, and the received signal is sent to the mobile station information processing section 11 as a digital signal. The mobile station information processing section 11 obtains the mobile station information necessary for radio packet allocation contained in the received signal sent by the re...

no. 2 example

[0068] It is also possible to use past mobile station information as a statistical value (for example, an average value) of past mobile station information in the first embodiment.

[0069] image 3 is a block diagram showing the structure of the transmission path allocating device 1 installed in the base station 100 according to the second embodiment of the present invention. The transmission path allocation apparatus 1 has a mobile station information processing section 11 connected to a receiving section 21, a prediction processing section 12a, a statistical processing section 14, and a wireless packet allocation processing section 13 connected to a transmitting section 22. The same constituent elements (mobile station information processing section 11, wireless packet distribution processing section 13, receiving section 21, transmitting section 22) as those in the first embodiment are marked with the same symbols, and detailed explanations of these sections are omitted. ...

no. 3 example

[0081] Figure 4 is a block diagram showing the structure of the transmission path allocating device 1 installed in the base station 100 according to the third embodiment of the present invention. The transmission path allocation apparatus 1 has a mobile station information processing section 11 connected to a receiving section 21, a prediction processing section 12b, and a radio packet allocation processing section 13 connected to a transmitting section 22. The same constituent elements (mobile station information processing section 11, wireless packet allocation processing section 13, receiving section 21, transmitting section 22) as those in the first embodiment are marked with the same symbols, and detailed descriptions of these sections are omitted.

[0082] The current mobile station information MCS is sent from the mobile station information processing section 11 to the prediction processing section 12b i (n). The prediction processing section 12b calculates the evalu...

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Abstract

A transmitting device for transmitting data by means of wireless signals to at least one of a plurality of receiving devices via a channel shared by the plurality of receiving devices is provided. The transmitting device receives reception quality data from each of the plurality of receiving devices; determines future predicted values relating to the reception quality of the respective receiving devices on the basis of the one or plurality of sets of past reception quality data; and selects receiving devices and assigns transmission data to be transmitted to the selected receiving devices to the channel on the basis of the future predicted values. The rate of generation of reception data errors on the side of the receiving devices and data re-transmission rate due to data errors can be reduced, and the throughput can be improved.

Description

technical field [0001] The present invention relates to a transmitting device for transmitting data to at least one of a plurality of receiving devices through a channel shared by a plurality of receiving devices using a wireless signal, and more particularly relates to a transmitting device which A receiving device is selected, transmission data to be transmitted to the selected receiving device is assigned to a channel, and the data is transmitted to the selected receiving device to improve throughput. Furthermore, the present invention also relates to a base station apparatus using this technique. Furthermore, the present invention also relates to an allocation method for allocating transmission data to be transmitted to a receiving device selected from a plurality of receiving devices to a wireless signal channel shared by the plurality of receiving devices, and more specifically, to An allocation method that improves throughput. Background technique [0002] As a tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/00H04L1/20H04W28/00H04W52/22H04W72/04H04W72/08H04W72/10H04W72/12H04W76/02
CPCH04L1/0026H04L1/20H04L47/626H04W52/223H04W72/542
Inventor 田中敦也田岛喜晴
Owner FUJITSU LTD
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