US PATENT SUBCLASS 370 / 344
.~.~ Multiple access (e.g., FDMA)

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

310  DF  COMMUNICATION OVER FREE SPACE {10}
343  DF  .~ Combining or distributing information via frequency channels {1}
344.~.~ Multiple access (e.g., FDMA)

DEFINITION

Classification: 370/344

Multiple access (e.g., FDMA):

(under subclass 343) Subject matter having a scheme for reaching a comunication medium in which a station is assigned a frequency channel in response to that station's request for access and the assignment lasting until it is withdrawn.