通信システムにおける無線状態の測定及び予測を行う方法及び装置 - Telefon Akti Bora Get Elm Ericson (Pubble)

Title:

通信システムにおける無線状態の測定及び予測を行う方法及び装置

Document Type and Number:

Japanese Patent JP4537584

Kind Code:

B2

Abstract:

In a mobile telecommunication system the transmission quality is dependent on a wide range of radio conditions. A method for extracting a useful estimation of the radio environment of a mobile station in communication in order to predict how the radio conditions will change in the near future for a considered mobile station in the near future. A measurement report is sent from the mobile station to the base station. The quality measure in the measurement report is filtered over the area by a smoothing filter (220), and then processed through an updating filter (230) resulting in a time varying map (240). Several maps are classified (260). Classified data are grouped (270) resulting in the final map, which is stored in a database (280). The final map may be used to enhance the performance of radio network algorithms.

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Inventors:

Frodig, Magnus
Almugren, Magnus
Johansson, Christer
Halvarson, Mats
Karin, Harald

Application Number:

JP2000583279A

Publication Date:

September 01, 2010

Filing Date:

October 01, 1999

Export Citation:

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Assignee:

Telefon Akti Bora Get Elm Ericson (Pubble)

International Classes:

H04W36/32; H04B7/26; H04W24/00

Domestic Patent References:

JP10094040A
JP9121193A

Foreign References:

WO1997048194A1

Attorney, Agent or Firm:

Kobayashi Yoshinori
Sonoda Yoshitaka

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