Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
88 words
A synchronous CDMA transmitting station which is comprised of: a modulator circuit that modulates data siqnals with a spreading code to thereby generate CDMA signals; a transmitter circuit, coupled to said modulator circuit, for sending, a replica of said CDMA signals on a CDMA channel; an error receiver circuit, for receiving an error signal from a feedback channel; and, an error correction circuit, coupled to said error receiver circuit, which time shifts said replica of said CDMA signals on said CDMA channel in response to said error signal.
Claim 2
Dependent Claim
88 words
A synchronous CDMA transmitting station which is comprised of: a modulator circuit that modulates data siqnals with a spreading code to thereby generate CDMA signals; a transmitter circuit, coupled to said modulator circuit, for sending, a replica of said CDMA signals on a CDMA channel; an error receiver circuit, for receiving an error signal from a feedback channel; and, an error correction circuit, coupled to said error receiver circuit, which time shifts said replica of said CDMA signals on said CDMA channel in response to said error signal.
Claim 3
Dependent Claim
44 words
A synchronous CDMA transmitting station according to claim 1 wherein said error correction circuit sends control signals to said modulator circuit which initiates the generation of said CDMA signals from said modulator circuit with a delay that varies in response to said error signals.
Claim 4
Dependent Claim
38 words
A synchronous CDMA transmitting station according to claim 1 wherein said error correction circuit passes said CDMA signals through said error correction circuit to said transmitter circuit with a delay that varies in response to said error signals.
Claim 5
Dependent Claim
95 words
A synchronous CDMA receiving station which is comprised of: a receiver circuit for receiving a CDMA signal over a CDMA channel where said CDMA signal includes the sum of a plurality of data signals which are modulated with respective spreading codes; an error detection circuit, coupled to said receiver circuit, which detects respective time differences between said spreading codes in said received CDMA signal and a single reference clock signal; and, an error sending circuit, coupled to said error detection circuit, which sends respective error signals on a feedback channel that indicate said time differences.
Claim 6
Dependent Claim
95 words
A synchronous CDMA receiving station which is comprised of: a receiver circuit for receiving a CDMA signal over a CDMA channel where said CDMA signal includes the sum of a plurality of data signals which are modulated with respective spreading codes; an error detection circuit, coupled to said receiver circuit, which detects respective time differences between said spreading codes in said received CDMA signal and a single reference clock signal; and, an error sending circuit, coupled to said error detection circuit, which sends respective error signals on a feedback channel that indicate said time differences.
Claim 7
Dependent Claim
38 words
A synchronous CDMA receiving station according to claim 4 wherein said receiving station sends said error signals on said feedback channel in one frequency band and simultaneously sends television signals on said feedback channel in another frequency band.
Claim 8
Dependent Claim
47 words
A synchronous CDMA receiving station according to claim 4 wherein said receiving station sends said error signals on said feedback channel in one frequency band during spaced apart time intervals and sends television signals on said feedback channel during different time intervals in the same frequency band.