Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-08-06
1981-06-23
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
455283, H04B 700
Patent
active
042753970
ABSTRACT:
The described system utilizes the interference cancelation technique disced in my pending U.S. Pat. application Ser. No. 114,547, filed Jan. 23, 1980, with narrow-band orthogonal addressing in providing improved system performance, but only with modest equipment requirements. Orthogonal narrow-band frequency division multiple access signaling is employed to initially accomplish call-up, with interference then being adaptively suppressed and an available voice channel selected for accomplishing the communication requirements.
REFERENCES:
patent: 3202990 (1965-08-01), Howells
Blum Theodore M.
Edelberg Nathan
Goldberg Edward
Murray Jeremiah G.
The United Statesof America as represented by the Secretary of t
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