Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1998-09-23
2000-05-23
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
342104, 342115, G01S 502, G01S 352
Patent
active
060670495
ABSTRACT:
Level crossing number counter section 115 obtains the Doppler frequency caused by fading by counting the number of times of a received signal crossing an averaged received signal level. Corresponding to the Doppler frequency, reference signal correlation integration control section 116 controls reference signal correlation integration section 311 to suspend and restart the processing of integrating the correlation data of the received signal obtained in reference signal correlation section 306 with a reference signal.
REFERENCES:
patent: 4114155 (1978-09-01), Raab
English Language Abstract of JP No. 6-21903.
Blum Theodore M.
Matsushita Electric - Industrial Co., Ltd.
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