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Methods and apparatuses for detecting the TX diversity mode for mobile radio receivers

A diversity mode, mobile wireless technology, applied in the direction of preventing/detecting errors through diversity reception, electrical components, digital transmission systems, etc., can solve problems such as reduction, frequency error, etc., to achieve short detection time, time saving, and reliable frequency error. Effect

Inactive Publication Date: 2005-12-14
INTEL MOBILE COMM GMBH
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0053] The above description so far makes it clear that the methods for detecting transmit diversity modes according to the prior art can only have limited effectiveness and that the results obtained must be expected to produce a considerable reduction, especially in Where the initial sync phase is expected to have a substantial frequency error

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  • Methods and apparatuses for detecting the TX diversity mode for mobile radio receivers
  • Methods and apparatuses for detecting the TX diversity mode for mobile radio receivers
  • Methods and apparatuses for detecting the TX diversity mode for mobile radio receivers

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Embodiment Construction

[0068] According to the preferred specific embodiment of a method of the present invention (will be described in further detail in the description below) build on the basis of the method (such as the method described in the paragraph of method c) obtained from prior art) . However, specific embodiments of the method according to the invention are more reliable with respect to frequency errors, while also allowing very short detection periods. In addition, scrambling code identification is also an integral component of the method according to this embodiment.

[0069] figure 1 A schematic block diagram showing a preferred embodiment of a method according to the present invention.

[0070] With respect to methods of this general type which have been further described above and obtained from the prior art, not one but in each case, two serial data tuples (tuple) {r(k); r( k+1)}; {r(k+2); r(k+3)} (where k=4n), is processed consecutively in an embodiment of the method according...

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Abstract

In a mobile wireless receiver, a method and apparatus for detecting transmit diversity mode using a decision function, wherein the decision function for detecting transmit diversity mode is based on two serial input signal data tuples {r( k); r(k+1)} and {r(k+2); r(k+3)} and the recording of a phase shift between said tuples.

Description

technical field [0001] The invention relates to a method and a device for transmit diversity mode detection, said method and device being blind detection of a pilot sequence by means of a mobile radio receiver using a second transmit antenna. In particular, the invention relates to a method of the general type of pre-characteristic clauses as in claim 1, to a method of the general type as in claim 2 for pre-characteristic clauses, and to a method in the general type of pre-characteristic clauses as in claim 11 A device of the general type of a sentence, and a device of the general type of a precharacterized clause as claimed in claim 12 . The present invention is more related to mobile wireless receivers using these methods and devices. Background technique [0002] In every mobile radio receiver, the transmit and receive clocks must be synchronized before establishing a data link to one or more base stations. This is usually achieved by means of a three-stage method in wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/06
CPCH04L1/0618
Inventor S·保罗T·鲁里奇
Owner INTEL MOBILE COMM GMBH
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