Title:
SAME FREQUENCY RADIO COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP3208611
Kind Code:
B2
Abstract:
PURPOSE: To provide a communication system which can compensate the sneaking interference of the same frequency radio repeating.
CONSTITUTION: A transversal filter is provided on a repeater station or receiver end office. A delay element T of the transversal filter consists of a tap group 1 which compensates the distortions due to the fading, a tap group 2 which compensates the sneaking interference, and a tap group 3 which is set between both groups 1 and 2 in regard of the delay time of the interference wave. A weighting means 30 is provided on the elements T of both group 1 and 2 respectively. The sum total 32 of the output of means 30 shows the compensation output.
Inventors:
Toshio Saito
Satoshi Aikawa
Masao Nitta
Yoshinori Tomomatsu
Satoshi Aikawa
Masao Nitta
Yoshinori Tomomatsu
Application Number:
JP2839293A
Publication Date:
September 17, 2001
Filing Date:
January 26, 1993
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
H03H15/00; H03H17/00; H04B3/04; H04B7/005; H04B7/15; (IPC1-7): H04B7/15; H03H15/00; H04B7/005
Domestic Patent References:
| JP61161057A | ||||
| JP5895435A | ||||
| JP447721A | ||||
| JP488409A | ||||
| JP5962229A | ||||
| JP6211327A |
Attorney, Agent or Firm:
Keiichi Yamamoto