The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 1996
Filed:
Oct. 31, 1994
Kenneth S Gold, Bell Canyon, CA (US);
Hubert M France, Jr, Palos Verdes Estates, CA (US);
Radio Connect Corporation, Culver City, CA (US);
Abstract
A protocol for wireless direct user-to-user DSSS TDMA digital communication at a data rate of the order of one to several megabits per second in the 902-928 MHz, 2400-2483.5 MHz or 5725-5850 MHz band includes a sequence of transactions, each transaction consisting of a predetermined sequence of subpackets, and each subpacket consisting of a predetermined number of bytes preallocated to a subpacket element or element portion. Network communications among a plurality of stationary and/or mobile users such as personal computers, each equipped with a (Remote Unit) transceiver, are organized and directed by a Master Unit transceiver. Master Unit and Remote Unit transceivers have identical circuitry. Using a first pseudorandom code sequence (M-code), the Master Unit intermittently transmits a DSSS signal enabling Remote Units to synchronize to the Master Unit and so receive scheduling directives. A Remote Unit, while maintaining synchronization with the Master Unit, sends information by transmitting a DSSS signal using a second pseudorandom code sequence (R-code). To facilitate synchronization, the Master Unit also transmits a continuously running DSSS signal using a third pseudorandom code sequence (P-code) which is code-locked and phase-locked to the M-code. A transceiver implementing the protocol in the 2400-2483.5 MHz band includes a microprocessor, external data RAM, Control Logic Section, Analog Section, and Radiofrequency Section.