CUM200综测仪资料

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CUM200综测仪资料,手动呼叫、和手机各项指标的测量方法等
CDMA2000 Evolvement ROHDE&SCHWARZ S9A CDMA IS-95A S-OBCDMA --- IS-95B CDMA2000-3K CDMA2000-1K CDMA200ORelease 0 CDMA200ORelease A CDMA2000Release B CDMA2000-1KET-D0 IS-856 CDMA IS-856A CDMA CDMAZO00-1XET-DII CDMA2000Release C CDMA2000Revision D LIYong。ng December 29, 2006 CDMA2000-1X Network Configuration ROHDE&SCHWARZ PSTN NSS OMS other RN Network ME ESN, 32Bit IMS MS a key SSD LIYong。ng December 29, 2006 CDMA2000-1X Basic Technology ROHDE&SCHWARZ I CDMA modulation techniques Spread Spectrum techniques E Diversity techniques Channel Coding techniques LIYong。ng December 29, 2006 CDMA modulation techniques ROHDE&SCHWARZ Forward channel BPSK IS95A/B Same fc, phase Reverse Channel OOPSK Same fc Forward Channel QPSK CDMA2000-1X Same fc, phase Reverse Channel HPSK Same fc, phase LIYong。ng December 29, 2006 ROHDE&SCHWARZ BPSK 0 Same fc. 2XFb Q 1.0 0.0I QPSK 0.1 MaX△P=90 1.0 0.01 OOPSK 1.1 0.1 PAR DOWn Q HPSK LIYong。ng December 29, 2006 Spread Spectrum techniques ROHDE&SCHWARZ Ps fc Bs Bw Bw After Spread Spectrum After De-Spread Spectrum Sig Interference LIYong。ng December 29, 2006 Spread spectrum techniques ROHDE&SCHWARZ 10 kHz 1.25 MHZ 1.25 MHZ 0 kHZ DATA WIDEBAND DATA SPECTRUM CORRELATOR 9.6 kbps DE- encodinG DIGTAL NTERLEAVING FILTER INTERLEAVE DECODE BPF BPF∵… 1.228 Mbps 1.25 MHz 1.25 MHZ 1.228 Mbps DATA PN SOURCE SOURCE CARRIER CARRIER 1.25 MHZ 1.25 MHz BACKGROUND EXTERNAL OTHER CELL OTHER USER NOISE NTERFERENCE INTERFERENCE NOISE LIYong。ng December 29, 2006 Spread spectrum techniques ROHDE&SCHWARZ M Code R() R P P=2n-1 ■ Recognise signal I Synchronization LIYong。ng December 29, 2006

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