Method for transmitting data to be transmitted using subscriber modem

A modem, data transmission technology, applied in transmission control/equalization, multi-modulation transmitter/receiver arrangement, transmission system, etc., can solve the problems of reducing signal transmission power and not allowing remote crosstalk, etc.

Inactive Publication Date: 2004-12-08
LANTIQ BET GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] First of all, when the modem is mixed with different methods, there will be a difference b

Method used

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  • Method for transmitting data to be transmitted using subscriber modem
  • Method for transmitting data to be transmitted using subscriber modem
  • Method for transmitting data to be transmitted using subscriber modem

Examples

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Example Embodiment

[0039] image 3 A user access network 1 with a broadband transmission line 2 is shown, and the switching equipment 3 of a switching station 4, especially a multiplexer, is connected to the network. The switching station includes a plurality of switching modems 5, 6, and 7, which are connected to the output end of the switching device 3 through lines 8, 9, and 10. The switching modems are connected to the assigned user modems 14, 15, and 16 through the user lines 11, 12, and 13, respectively. A user terminal for sending or receiving data, such as a PC-computer, is connected to the respective user modems 14, 15, 16. User modems 14, 15, 16 and switching modems 5, 6, 7 are FDD-modems. in image 3 In the illustrated embodiment, the user modem 14 is a short-distance user modem, and the length of the user line is only 300 meters, for example. The subscriber modem 15 is connected to the switching station 4 through a subscriber line 12, wherein the average line length of the subscriber li...

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Abstract

The invention relates to a method for transmitting data to be transmitted using a subscriber modem (14, 15, 16) of a subscriber access network (1) with adjusted transmission power. The method comprises the following steps: selection (S1) of at least one transmission frequency band (UFB), subdivision (S2) of the selected transmission frequency band (UFB) into several sub-frequency bands (SB), determination (S3) of the maximum transmission power corresponding to each sub-frequency band (SB), transmission of the data to be transmitted using an adjusted transmission power, from the subscriber modem (14, 15, 16) to a switching modem (5, 6, 7) in the subscriber access network (1) via a corresponding subscriber line (11, 12, 13). In single-carrier operating mode, the data to be transmitted is transmitted (S5) in all sub-frequency bands using a specific, uniform transmission power of the maximum transmission powers that have been determined. In multiple-carrier operating mode, the data to be transmitted is transmitted (S6) in the sub-frequency bands using the respective maximum transmission power which has been determined.

Description

technical field [0001] The invention relates to a method for transmitting and sending data by using a user modem of a user access network to adapt the sending power. Background technique [0002] The subscriber modem is used for data transmission between the subscriber terminal connected to the subscriber modem and the switching station. For this purpose, the subscriber modem is connected via a subscriber line to an associated switching modem in the switching station. The individual exchange modems in the exchange station are connected to the exchange, in particular to a multiplex circuit, so that the individual subscriber lines are connected to broadband data transmission lines. The data transmission between the subscriber modem and the associated switching modem takes place bidirectionally on different frequency bands. In this case, the data transmission from the subscriber modem to the associated switching modem takes place on the first transmission frequency band and t...

Claims

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Application Information

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IPC IPC(8): H04J11/00H04B7/005H04J1/18H04J1/20H04L5/02H04L5/14H04L27/00H04L27/26H04M11/06
CPCH04L27/0008H04L27/2608H04W52/343H04W52/346H04L5/143H04L5/023H04M11/06H04L27/26
Inventor 克劳斯·施塔恩贝格
Owner LANTIQ BET GMBH & CO KG
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