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Method for accommodating overlapping reference signal patterns

A technology of reference symbols and patterns, applied in the field of communication systems, can solve problems such as difficulty in finding

Inactive Publication Date: 2013-06-05
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some cases it may become difficult to find an appropriate reference element pattern for a reference symbol that does not conflict with any other reference element patterns assigned to different reference symbols

Method used

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  • Method for accommodating overlapping reference signal patterns
  • Method for accommodating overlapping reference signal patterns
  • Method for accommodating overlapping reference signal patterns

Examples

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Embodiment Construction

[0019] Exemplary embodiments are described below. In the interest of clarity, not all features of an actual implementation are described in the specification. It will of course be understood that in developing any such actual embodiment, many implementation-specific decisions should be made to achieve the developer's specific goals, such as compliance with system-related and business-related constraints that will vary from implementation to implementation. Further, it will be appreciated that such a development effort might be complex and time consuming, but would yet be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0020] The disclosed subject matter will now be described with reference to the accompanying drawings. Various structures, systems and devices are schematically depicted in the drawings for purposes of illustration only and to avoid obscuring the present invention with details that are well known to those ski...

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Abstract

The present application describes embodiments of methods and apparatuses that may be used to accommodate different reference symbol patterns. One embodiment of the method includes identifying overlapping resource element(s) in a resource block by comparing a first pattern of resource elements associated with first reference symbols to a second pattern of resource elements associated with second reference symbols. This embodiment also includes transmitting the first and second reference symbols in the overlapping resource element(s) when first and second antenna ports allocated for transmission of the first and second reference symbols in the overlapping resource element(s) are the same. Transmission of the first reference symbol in the overlapping resource elements is bypassed when the first and second antenna ports are different.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application 61 / 402,113, filed August 24, 2010. technical field [0003] The present application relates generally to communication systems and more particularly to wireless communication systems. Background technique [0004] Wireless communication systems include device networks for providing wireless connectivity to wireless-enabled devices, including mobile units, smartphones, tablet devices, laptops, desktops, and other types of user equipment. Exemplary access devices include access points, base stations, base station routers, Node-Bs (NBs, eNBs), femtocells, and the like. The access device and the user equipment communicate through the channel of the air interface. The transfer function of the radio propagation channel of the air interface can be estimated and used to demodulate data symbols that have been transmitted over the air interface. Convention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04B7/15
CPCH04L5/0048H04B7/15H04L5/00
Inventor T·胡M·巴克尔
Owner ALCATEL LUCENT SAS
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