| 摘要 |
FIELD: method for communication using in-phase channel (I) and quarter-phase shifted channel (Q) in communication system with extended spectrum. SUBSTANCE: method involves transmission of first and second information signals (a<SB>n</SB>,b<SB>n</SB>) through I and Q information channels using direct serial communication signals with extended spectrum. In-phase pseudorandom noise signals (PN<SB>I</SB>) and quarter-phase shifted pseudorandom noise signals (PN<SB>Q</SB>) of given PN codes (178, 180) are used for extension of respectively first and second information signals (a<SB>n</SB>,b<SB>n</SB>). In particular, PN<SB>I</SB> and PN<SB>Q</SB> signals are joined with first and second information signals (a<SB>n</SB>,b<SB>n</SB>) and orthogonal functional signal 174 for generation of I- and Q-channel modulation signals (S<SB>I</SB>,S<SB>Q</SB>). I-channel and Q-channel modulation signals (S<SB>I</SB>,S<SB>Q</SB>) are used for modulation of in-phase carrier signal I and quarter- phase shifted carrier signal Q for transmission to receiver through I and Q communication channels respectively. Another claim of invention describes best possible design of receiver which is designed as device for evaluation of at least first information signal using I- channel and Q-channel modulated carrier signals (R<SB>I</SB>,R<SB>Q</SB>) received through I and Q information channels. Received I-channel and Q- channel modulated carrier signals (R<SB>I</SB>,R<SB>Q</SB>)$ are demodulated and convoluted in order to provide sequences which are correlated with in-phase and quarter-phase shifted projection signals. Phase shifter evaluates at least first information signal using projection signals I and Q and received test signal. EFFECT: possibility to increase transmission rate of communication channel above nominal value. 28 cl, 8 dwg
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