CONTENTS

RECOMMENDATION  ITU-R  M.1580-2     3
Generic unwanted emission characteristics of base stations using  the terrestrial radio interfaces of IMT‑2000     3
Scope     3
Annex 1  IMT‑2000 (code division multiple access (CDMA) direct spread (universal terrestrial radio access (UTRA) FDD) base stations     6
 1     Measurement uncertainty  6
2 Spectrum mask  6
 3     Adjacent channel leakage power ratio  9
 4     Transmitter spurious emission (conducted) 9
        4.1     Mandatory requirements  9
                  4.1.1     Category A   9
                  4.1.2     Category B   10
        4.2 Coexistence with other systems in the same geographical area  11
        4.3     Coexistence with PHS  12
        4.4     Coexistence with UTRA-TDD   13
 5     Receiver spurious emission  13
Annex  2  IMT-2000 CDMA multi-carrier (cdma-2000) base stations     14
1 Spectrum mask  14
2 Transmitter spurious emission  15
 3     Receiver spurious emission  16
Annex 3  IMT‑2000 CDMA TDD (UTRA TDD) base stations     17
 1     Measurement uncertainty  17
 2     Spectrum mask  17
        2.1     3.84 Mchip/s TDD option  17
        2.2     1.28 Mchip/s TDD option  19
        2.3     7.68 Mchip/s TDD option  21
 3     ACLR   23
 4     Transmitter spurious emission (conducted) 24
        4.1     Coexistence with GSM 900  27
        4.2     Coexistence with DCS 1800  27
        4.3 Coexistence with UTRA-FDD   27
       4.4      Coexistence with PHS  29
 5     Receiver spurious emission  29
        5.1     3.84 Mchip/s TDD option  29
       5.2 1.28 Mchip/s TDD option  30
       5.3 7.68 Mchip/s TDD option  30
Annex  4  IMT-2000 time division multiple access (TDMA) single‑carrier (UWC‑136) base stations     31
 1     Spectrum mask  31
2 Spurious emissions (conducted) 32
        2.1     Coexistence with other systems  32
 3     Receiver spurious emissions  33
 1     Spectrum mask  34
        1.1     Spectrum due to the modulation and wideband noise  34
        1.2 Spectrum due to switching transients  36
 2     Transmitter conducted spurious emissions  37
        2.1     Coexistence with other systems  39
 3     Receiver spurious emissions  40
Annex  5  IMT-2000 frequency division multiple access (FDMA)/TDMA (digital enhanced cordless telecommunications (DECT)     40
 1     Spectrum mask  40
 2     Emissions due to modulation  40
 3     Emissions due to transmitter transients  41
 4     Transmitter spurious emissions (conducted) 41
        4.1     Spurious emissions when allocated a transmit channel 41
 5     Receiver spurious emissions (idle mode) 42
        5.1     Spurious emissions when the base station has no allocated transmit channel 42
        5.2     In the DECT band  42
Annex 6  IMT‑2000 OFDMA TDD WMAN base stations     43
 1     Introduction  43
 2     Spectrum emission mask  43
 3     Transmitter spurious emissions (conducted) 44
       3.1      Transmitter spurious emissions  44
        3.2 Coexistence with other systems in the same geographical/service area  45
4 Receiver spurious emissions (conducted) 47
 5     Adjacent channel leakage ratio (ACLR) 47
        5.1 Inter-system and intra-system scenarios  48