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Method and system for bandwidth detection

A detection system and bandwidth technology, applied in the direction of electrical components, wireless communication, etc., can solve the problems of non-public compliance

Inactive Publication Date: 2010-03-31
ROHDE & SCHWARZ GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For example, patent application GB 2434279A discloses a method of allocating resources to various users within a communication system, but does not disclose monitoring compliance with these allocated resources

Method used

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  • Method and system for bandwidth detection
  • Method and system for bandwidth detection
  • Method and system for bandwidth detection

Examples

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Embodiment Construction

[0019] start will refer to figure 1 Describe the structure and function of an exemplary transmit frame, then refer to Figure 1-3 The function of the method according to the invention is explained. In some cases, the same elements in similar figures are not repeatedly shown and described.

[0020] figure 1 An exemplary transmit frame 20 is shown. In a communication system, a message based on a transmission frame 20 is transmitted. A transmission frame 20 is a range defined by a temporal scale and a spectral scale within which a message may be transmitted. The transmit frame 20 includes a fixed temporal extent 34 and a variable spectral extent 14 . The spectral range 14 of the transmitted frame 20 is specified by a remote user in communication, for example a base station in a mobile radio system. Local users in communication, such as mobile radios, use the designated spectrum range 14 to transmit their messages.

[0021] A transmission frame is composed of a plurality of...

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Abstract

The method according to the invention detects the bandwidth transmitted by a transmitter in a radio communication system based on transmission frames. The transmission frames have a fixed time span and a variable spectral span (14). The transmission frames are made of a plurality of subunits (24). Each subunit (24) of the transmission frames comprises a control channel divided into two partial control channels (42 and 43, 44 and 45). The two partial control channels (42 and 43, 44 and 45) are disposed at the spectral edges of the subunits (24) of the transmission frames. The transmitted bandwidth is derived by determining the spectral span (14) of the transmission frame. The spectral span (14) of the transmission frame is determined by determining the spectral positions of the partial control channels (42 and 43, 44 and 45) in the subunits (24) of the transmission frames.

Description

technical field [0001] The present invention relates to a method and a system for detecting the bandwidth of a signal transmitted by a transmitter, in particular a mobile radio device specific to the LTE (Long Term Evolution) standard for fourth generation mobile telephony. Background technique [0002] Traditionally, in a radio communication system, one or more channels are assigned by a base station to a mobile subscriber. Mobile users may exclusively use the channel or channels. If the mobile subscriber leaves the channel or channels assigned to him, for example by transmitting with a greater bandwidth, the transmissions provided in adjacent frequency ranges can be disrupted. This can occur if a mobile user incorrectly receives or responds to a channel assignment incorrectly. These difficulties are usually not specifically addressed. Correspondingly, channel assignments are checked or reassigned only when transmission difficulties are encountered, for example due to la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W24/00H04W88/02
Inventor 海诺·格拉克阿德里安·舒马赫
Owner ROHDE & SCHWARZ GMBH & CO KG
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