BR9816076A - Process and device for processing received signals having been transmitted through a transmission channel - Google Patents

Process and device for processing received signals having been transmitted through a transmission channel

Info

Publication number
BR9816076A
BR9816076A BR9816076-1A BR9816076A BR9816076A BR 9816076 A BR9816076 A BR 9816076A BR 9816076 A BR9816076 A BR 9816076A BR 9816076 A BR9816076 A BR 9816076A
Authority
BR
Brazil
Prior art keywords
received signals
response function
transmission channel
channel
transmitted
Prior art date
Application number
BR9816076-1A
Other languages
Portuguese (pt)
Inventor
Aki Happonen
Olli Piirainen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Priority to BR9816076-1A priority Critical patent/BR9816076A/en
Priority claimed from PCT/EP1998/007392 external-priority patent/WO2000030274A1/en
Publication of BR9816076A publication Critical patent/BR9816076A/en

Links

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

"PROCESSO E DISPOSITIVO PARA PROCESSAR SINAIS RECEBIDOS TENDO SIDO TRANSMITIDOS ATRAVéS DE UM CANAL DE TRANSMISSãO" A presente invenção propõe um dispositivo para processar sinais recebidos (y) tendo sido transmitidos via um canal de transmissão (1), que compreende: meios de estimação (2, 2a) adaptados para obter uma função de resposta de impulso estimado (h~ K~) do dito canal (1) baseado em os sinais recebidos (y) que são recebidos em uma primeira vez; meios de derivação (3; 3a-3f) adaptados para derivar informações de histórico (win~ k~) baseado em pelo menos uma função de resposta de impulso previamente estimada; meios de cálculo (4; 4a, 4b) adaptados para calcular informações modificadoras (mwin~ k~) na base das ditas informações de histórico (win~ k~), e meios de modificação (5) adaptados para modificar a função de resposta de impulso estimada (h~ k~) do dito canal (12) obtida na base dos ditos sinais recebidos (y), a aplicando a informação modificadora (mwin~ k~) à função de resposta de impulso estimada (h~ k~) do dito canal obtida na base dos ditos sinais recebidos (y), e adaptada para emitir uma função de resposta de impulso modificada (hm~ k~). A presente invenção também propõe um processo correspondente."PROCESS AND DEVICE FOR PROCESSING RECEIVED SIGNS HAVING BEEN TRANSMITTED THROUGH A TRANSMISSION CHANNEL" The present invention proposes a device to process received signals (y) having been transmitted via a transmission channel (1), which comprises: means of estimation ( 2, 2a) adapted to obtain an estimated impulse response function (h ~ K ~) of said channel (1) based on the received signals (y) that are received in a first time; derivation means (3; 3a-3f) adapted to derive historical information (win ~ k ~) based on at least one previously estimated impulse response function; calculation means (4; 4a, 4b) adapted to calculate modifying information (mwin ~ k ~) on the basis of said historical information (win ~ k ~), and modification means (5) adapted to modify the response function of estimated impulse (h ~ k ~) of said channel (12) obtained on the basis of said received signals (y), applying the modifying information (mwin ~ k ~) to the estimated impulse response function (h ~ k ~) of the said channel obtained on the basis of said received signals (y), and adapted to emit a modified impulse response function (hm ~ k ~). The present invention also proposes a corresponding process.

BR9816076-1A 1998-11-18 1998-11-18 Process and device for processing received signals having been transmitted through a transmission channel BR9816076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9816076-1A BR9816076A (en) 1998-11-18 1998-11-18 Process and device for processing received signals having been transmitted through a transmission channel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR9816076-1A BR9816076A (en) 1998-11-18 1998-11-18 Process and device for processing received signals having been transmitted through a transmission channel
PCT/EP1998/007392 WO2000030274A1 (en) 1998-11-18 1998-11-18 A method for modifying the channel impulse response in tdma systems

Publications (1)

Publication Number Publication Date
BR9816076A true BR9816076A (en) 2001-07-24

Family

ID=25665318

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9816076-1A BR9816076A (en) 1998-11-18 1998-11-18 Process and device for processing received signals having been transmitted through a transmission channel

Country Status (1)

Country Link
BR (1) BR9816076A (en)

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE 12A. ANUIDADE(S).

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2103 DE 26/04/2011.