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Architecture to support network-wide multiple-in-multiple-out wireless communication over uplink

A technology of link and link transmission, applied in the field of communication systems, can solve problems such as unsolved inter-cell interference

Inactive Publication Date: 2011-08-17
ALCATEL-LUCENT USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional MIMO does not address inter-cell interference caused by uplink and / or downlink transmissions in neighboring cells

Method used

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  • Architecture to support network-wide multiple-in-multiple-out wireless communication over uplink
  • Architecture to support network-wide multiple-in-multiple-out wireless communication over uplink
  • Architecture to support network-wide multiple-in-multiple-out wireless communication over uplink

Examples

Experimental program
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Embodiment Construction

[0017] Illustrative embodiments are described below. In the interest of clarity, not all features of an actual implementation are described in this specification. Of course, it should be recognized that in the development of any such actual embodiment, a number of implementation-specific decisions should be made to achieve the developer's specific goals, such as compatibility with system-related and business-related constraints, which are different for different Implementations are also different. Furthermore, it should be appreciated that such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0018] The disclosed subject matter will now be described with reference to the drawings. Various structures, systems and devices are schematically shown in the drawings for purposes of explanation only, in order not to obscure the present invention wi...

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Abstract

The present invention provides a method of coordinating the uplink transmissions from at least one mobile unit to a plurality of base stations. The method is implemented in a control and data plane entity and includes scheduling, at the control plane function, uplink signals for transmission from the mobile unit(s) to the plurality of base stations. The method also includes receiving, at the data plane function from the plurality of base stations, signals including scheduled uplink signals transmitted from the mobile unit(s) to the plurality of base stations. The method further includes estimating, at the data plane function, information bits transmitted in the scheduled uplink signals using the received signals and channel state information indicative of a plurality of wireless communication links between the mobile unit(s) and the plurality of base stations.

Description

[0001] Cross References to Related Applications [0002] This application is related to U.S. Patent Application 11 / 778,282, filed on July 16, 2007, entitled "AN ARCHITECTURE TO SUPPORT NETWORK-WIDE MULTIPLE-IN-MULTIPLE-OUT WIRELESS COMMUNICATION" and filed on September 18, 2008, titled Related to US Patent Application 12 / 233,253 for "AN ARCHITECTURE TO SUPPORT NETWORK-WIDE MULTIPLE-IN-MULTIPLE-OUT WIRELESS COMMUNICATION OVER A DOWNLINK". technical field [0003] The present invention relates generally to communication systems, and more particularly to wireless communication systems. Background technique [0004] A base station in a wireless communication system provides wireless connectivity to users within a geographic area or cell associated with the base station. In some cases, a cell may be divided into sectors facing a selected opening angle and served by different antennas (eg, three 120° sectors or six 60° sectors). The wireless communication link between the base s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
CPCH04B7/0617H04W52/40H04W72/1278H04B7/024H04L5/0035H04L5/0037H04W72/1268H04W72/20H04W72/542
Inventor 克里斯娜·巴拉康德兰斯瑞尼瓦斯·R·卡达巴卡梅尔·M·卡拉卡亚里阿肖克·卢德拉帕特纳
Owner ALCATEL-LUCENT USA INC