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Patent Searching and Data


Title:
METHOD AND APPARATUS FOR TESTING COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2008211776
Kind Code:
A
Abstract:

To provide a method and apparatus for testing a communication system using a frame alignment test signal.

A test signal is aligned to a frame interval of a communication system. An alignment test signal having an alternating pattern of frequencies is generated and transmitted over a communication link that carries the alignment test signal in a sequence of frames. The alignment test signal is received over the communication link as a return alignment test signal and then evaluated for frequency content. The start time of the alignment test signal is adjusted until the frequency content of the return alignment test signal corresponds to the alternating pattern of frequencies.


Inventors:
WOODWARD SCOTT M
DEJACO ANDREW P
Application Number:
JP2008013827A
Publication Date:
September 11, 2008
Filing Date:
January 24, 2008
Export Citation:
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Assignee:
QUALCOMM INC
International Classes:
H04J3/14; H04B7/26; H04B17/00; H04L1/24; H04L69/40; H04M1/24; H04M3/22; H04W24/00
Attorney, Agent or Firm:
Takehiko Suzue
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Ryo Hashimoto
Tetsuya Kazama
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen