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PreviousRSS-132 - Cellular Telephones Employing New Technologies Operating in the Bands 824-849 MHz and 869-894 MHz
4. Transmitter and Receiver Standard Specifications
4.1 Channelling Arrangements
Equipment certified under this Standard may employ any channelling arrangement that which is deemed suitable by the service provider, however, such a channelling arrangement shall meet all relevant conditions specified in SRSP-503.
4.2 Types of Modulation
Equipment certified under this Standard shall use digital modulation; however supervisory and other control function signals may use any type of modulation technique. The type of modulation used shall be reported.
4.3 Frequency Stability
The carrier frequency shall not depart from the reference frequency in excess of ±2.5 ppm for mobile stations and ±1.5 ppm for base stations.
In lieu of meeting the above stability values, the test report may show that the frequency stability is sufficient to ensure that the emission bandwidth stays within the authorized frequency block, when tested to the temperature and supply voltage variations specified in RSS-Gen.
4.4 Transmitter Output Power
The transmitter output power shall not exceed the limits given in SRSP-503.
4.5 Transmitter Unwanted Emissions
4.5.1 Out-of-block Emissions
Mobile and base station equipment with emission bandwidth less than or equal to 4 MHz shall comply with 4.5.1.1. Mobile station equipment with emission bandwidth greater than 4 MHz shall comply with 4.5.1.2. Base station equipment with emission bandwidth greater than 4 MHz shall comply with either 4.5.1.2 or 4.5.1.3.
4.5.1.1 In the first 1.0 MHz band immediately outside and adjacent to the licensee’s frequency block, the power of emissions per any 1% of the emission bandwidth shall be attenuated below the transmitter output power P (in watts) by at least 43 + 10 log10(P), dB. After the first 1.0 MHz, the power of emissions shall be attenuated below the transmitter output power by at least 43 + 10 log10(P), dB, in any 100 kHz bandwidth.
4.5.1.2 In the first 1.0 MHz band immediately outside and adjacent to the licensee’s frequency block, the power of emissions per any 1% of the emission bandwidth shall be attenuated below the transmitter output power P (in watts) by at least 43 + 10 log10(P), dB. After the first 1.0 MHz, the power of emissions shall be attenuated below the transmitter output power by at least 43 + 10 log10(P), dB, in any 1 MHz bandwidth.
4.5.1.3 Base station equipment with emission bandwidth greater than 4 MHz may, in lieu of 4.5.1.2, comply with the following:
In the first 1.5 MHz immediately outside and adjacent to the licensee’s frequency block, the power of emissions at offset dF shall be less than the maximum level specified in Table 1.
| dF = separation between edge of licensee’s block and easurement band | Maximum Level(dBm) | Measurement Bandwidth (kHz) |
|---|---|---|
| 0-0.2 MHz | -14 | 30 |
| 0.2-1.0 MHz | -(14 +15(dF-0.2)) | 30 |
| 1.0-1.5 MHz | -26 | 30 |
After the first 1.5 MHz, the power of emissions shall be attenuated below the transmitter output power by at least 43 + 10 log10(P), dB, in any MHz of bandwidth.
4.5.2 Additional Out-of-block Suppression
Since unwanted emissions are not necessary for the purpose of communication, Industry Canada may require service providers to take corrective action should it be found that out-of-block emissions cause harmful interference to other users. SRSP-503 should be consulted, as it contains special requirements with respect to certain band edges, for coexistence with adjacent band services.
4.6 Receiver Spurious Emissions
Receiver spurious emissions shall comply with the limits specified in RSS-Gen.
