WO2014076004A3 - Method and system for lossless compression and decompression of baseband digital signals in distributed lte-advanced radio access networks - Google Patents

Method and system for lossless compression and decompression of baseband digital signals in distributed lte-advanced radio access networks Download PDF

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Publication number
WO2014076004A3
WO2014076004A3 PCT/EP2013/073367 EP2013073367W WO2014076004A3 WO 2014076004 A3 WO2014076004 A3 WO 2014076004A3 EP 2013073367 W EP2013073367 W EP 2013073367W WO 2014076004 A3 WO2014076004 A3 WO 2014076004A3
Authority
WO
WIPO (PCT)
Prior art keywords
lte
digital signals
baseband digital
decompression
lossless compression
Prior art date
Application number
PCT/EP2013/073367
Other languages
French (fr)
Other versions
WO2014076004A2 (en
Inventor
Javier LORCA HERNANDO
Mª Luz PABLO GONZÁLEZ
Ana Villanúa pato
Mª Teresa APARICIO PEÑA
Original Assignee
Telefonica, S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonica, S.A. filed Critical Telefonica, S.A.
Publication of WO2014076004A2 publication Critical patent/WO2014076004A2/en
Publication of WO2014076004A3 publication Critical patent/WO2014076004A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation

Abstract

A Method and a System for lossless compression and decompression of baseband digital signals in distributed LTE-Advanced (LTE-A) radio access networks The method comprising at least one Remote Radio Head with a plurality of transmit and receive antennas connected to at least one Baseband Unit through a wired connection denoted as fronthaul link. In order to perform said lossless compression and decompression of a plurality of LTE-A baseband digital signals the method uses two additional processing nodes hosted at both ends of said fronthaul link in both an uplink direction and a downlink direction; transforms for both of said uplink and downlink directions said plurality of LTE-A baseband digital signals into frequency domain; and sends through said fronthaul link information corresponding to a set of resource blocks occupied with said plurality of LTE-A baseband digital signals. The system of the invention is adapted to implement the method of the invention.
PCT/EP2013/073367 2012-11-16 2013-11-08 Method and system for lossless compression and decompression of baseband digital signals in distributed lte-advanced radio access networks WO2014076004A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP201231775 2012-11-16
ES201231775 2012-11-16

Publications (2)

Publication Number Publication Date
WO2014076004A2 WO2014076004A2 (en) 2014-05-22
WO2014076004A3 true WO2014076004A3 (en) 2014-07-17

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WO (1) WO2014076004A2 (en)

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