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6、e of the TIA TR-47 Terrestrial Mobile Multimedia Multicast, TR-47.1 Subcommittee on Terrestrial Mobile Multimedia Multicast based on Forward Link Only Technology). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A
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22、ENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-1204 Band Class Specification for Terrestrial Mobile Multimedia Multicast Forward Link Only Transmitters CONTENTS i FOREWORD vii 1 REFERENCES ix 2 1 OVERVIEW .1-1 3 1.1 Scope of This Document 1-1 4 1.2 Requir
23、ements Language 1-1 5 1.3 Tolerances.1-1 6 1.4 Terms and Definitions .1-2 7 2 REQUIREMENTS FOR OPERATION OF THE “FORWARD LINK ONLY AIR INTERFACE 8 SPECIFICATION FOR TERRESTRIAL MOBILE MULTIMEDIA MULTICAST”.2-1 9 2.1 Channel Spacing and Designation .2-1 10 2.1.1 Band Class 0 (USA UHF Band)2-1 11 2.1.
24、1.1 Total Power Requirements2-1 12 2.1.1.2 Spurious Emissions.2-1 13 2.1.1.3 Radiated Emissions .2-1 14 2.1.2 Band Class 1 (UHF Band)2-1 15 2.1.2.1 Total Power Requirements2-2 16 2.1.2.2 Spurious Emissions.2-2 17 2.1.2.3 Radiated Emissions .2-2 18 2.1.3 Band Class 2 (UK L-Band).2-2 19 2.1.3.1 Total
25、Power Requirements2-2 20 2.1.3.2 Spurious Emissions.2-2 21 2.1.3.3 Radiated Emissions .2-2 22 2.1.4 Band Class 3 (Japan VHF Band) .2-2 23 2.1.4.1 Total Power Requirements2-3 24 2.1.4.2 Spurious Emissions.2-3 25 2.1.4.3 Frequency Requirements2-3 26 2.1.4.4 Occupied Bandwidth2-3 27 28 Band Class Speci
26、fication for Terrestrial Mobile TIA-1204 Multimedia Multicast Forward Link Only Transmitters CONTENTS ii No text. 1 TIA-1204 Band Class Specification for Terrestrial Mobile Multimedia Multicast Forward Link Only Transmitters TABLES iii Table 2.1.1-1 Band Class 0 System Frequency .2-1 1 Table 2.1.2-1
27、 Band Class 1 System Frequency .2-2 2 Table 2.1.3-1 Band Class 2 System Frequency .2-2 3 Table 2.1.4-1 Band Class 3 System Frequency .2-3 4 5 Band Class Specification for Terrestrial Mobile TIA-1204 Multimedia Multicast Forward Link Only Transmitters TABLES iv No text. 1 TIA-1204 Band Class Specific
28、ation for Terrestrial Mobile Multimedia Multicast Forward Link Only Transmitters FOREWORD v (This foreword is not part of this Standard) 1 This Standard contains the band class specifications for the Terrestrial Mobile Multimedia 2 Multicast Forward Link Only Transmitters. 3 Other specifications are
29、 required to complete the air interface and the rest of the system. 4 Some of these specifications are listed in the References section. 5 Four different operating bands have been specified. Equipment built to this Standard can 6 be used in a band subject to allocation of the band and the rules and
30、regulations of the 7 country in which the allocated band has been assigned. 8 Band Class Specification for Terrestrial Mobile TIA-1204 Multimedia Multicast Forward Link Only Transmitters FOREWORD vi No text. 1 TIA-1204 Band Class Specification for Terrestrial Mobile Multimedia Multicast Forward Link
31、 Only Transmitters REFERENCES vii The following standards and documents contain provisions, which, through reference in 1 this text, constitute provisions of this specification. At the time of publication, the editions 2 indicated were valid. All standards are subject to revision, and parties to agr
32、eements based 3 on this standard are encouraged to investigate the possibility of applying the most recent 4 editions of the standards indicated below. 5 NORMATIVE REFERENCES 6 7 1. TIA-1099 Rev B, Forward Link Only Air Interface Specification for Terrestrial Mobile 8 Multimedia Multicast, May 2010.
33、 9 2. TIA-1099 Rev A, Forward Link Only Air Interface Specification for Terrestrial Mobile 10 Multimedia Multicast, April 2009. 11 3. TIA-1099-1, Forward Link Only Air Interface Specification for Terrestrial Mobile 12 Multimedia Multicast Addendum 1, March 2009. 13 4. TIA-1103-B, Minimum Performance
34、 Specification for Terrestrial Mobile Multimedia 14 Multicast Forward Link Only Transmitters, TBD 15 5. FCC (USA): CFR Title 47, Code of Federal Regulations, Part 27, October 2007. 16 6. ETSI: EN 302 296 V1.1.1 (2005-01) Candidate Harmonized European Standard 17 (Telecommunications series) : Electro
35、magnetic compatibility and Radio spectrum 18 Matters (ERM); Transmitting equipment for DVB-T: Harmonized EN under article 3.2 19 of the R however, methods other than those recommended may 15 suffice for the same purpose. 16 This compatibility Standard is based upon spectrum allocations that have bee
36、n defined by 17 various governmental administrations. 18 Standard 4 provides specifications and measurement methods for Forward Link Only 19 Transmitters. 20 Those wishing to deploy systems compliant with this standard should also take notice of 21 the requirement to be compliant with the applicable
37、 rules and regulations of local 22 administrations. 23 1.2 Requirements Language 24 “Shall” and “shall not” identify requirements to be followed strictly in conformance with the 25 standard and from which no deviation is permitted. “Should” and “should not” indicate that 26 one of several possibilit
38、ies is recommended as particularly suitable, without mentioning or 27 excluding others, that a certain course of action is preferred but not necessarily required, 28 or that (in the negative form) a certain possibility or course of action is discouraged but not 29 prohibited. “May” and “need not” in
39、dicate a course of action permissible within the limits of 30 the standard. “Can” and “cannot” are used for statements of possibility and capability, 31 whether material, physical, or causal. 32 1.3 Tolerances 33 Unless otherwise specified, all values indicated are exact unless an explicit tolerance
40、 is 34 stated. 35 Band Class Specification for Terrestrial Mobile TIA-1204 Multimedia Multicast Forward Link Only Transmitters OVERVIEW 1-2 1.4 Terms and Definitions 1 dBc. The ratio (in dB) of the sideband power of a signal, measured in a given bandwidth at 2 a given frequency offset from the cente
41、r frequency of the same signal, to the total inband 3 power of the signal. For Forward Link Only system, the total in-band power of the signal is 4 measured in the Forward Link Only bandwidth around the center frequency of the signal. 5 dBm. A measure of power expressed in terms of its ratio (in dB)
42、 to one milliwatt. 6 dBm/Hz. A measure of power spectral density. The ratio, dBm/Hz, is the power in one Hz 7 of bandwidth, where power is expressed in units of dBm. 8 dBW. A measure of power expressed in terms of its ratio (in dB) to one watt. 9 Effective Isotropic Radiated Power (EIRP). The produc
43、t of the power supplied to the 10 antenna and the antenna gain in a direction relative to an isotropic antenna. 11 Effective Radiated Power (ERP). The product of the power supplied to the antenna and 12 the antenna gain relative to a half-wave dipole in a given direction. 13 EIRP. See Effective Isot
44、ropic Radiated Power. 14 ERP. See Effective Radiated Power. 15 FFT. Fast Fourier Transform. A computationally efficient method of estimating the 16 frequency spectrum of a signal. 17 Forward Link Only Bandwidth (BW). The nominal bandwidth of the Forward Link Only 18 system, given as the product of t
45、he total number of sub-carriers and the sub-carrier 19 spacing. 20 Forward Link Only Device (FD). A device that can be activated to receive multicast 21 transmissions from the Forward Link Only network. 22 Forward Link Only Network (FN). The collection of infrastructure equipment that 23 multicasts
46、the overhead information and content associated with the services offered on the 24 Forward Link Only system. 25 Forward Link Only RF Channel. A Forward Link Only RF Channel denotes a specific 26 combination of RF channel bandwidth and carrier center frequency that is used to transmit 27 a waveform
47、compliant with the Forward Link Only Air Interface specification. 28 Hz. Hertz. 29 kHz. Kilohertz (103Hertz). 30 MHz. Megahertz (106Hertz). 31 ms. Millisecond 32 N0. The effective noise power spectral density at the access terminal antenna connector. 33 N DATA. Number of active data carriers, equal
48、to 1000 for FFT size of 1024, 2000 for FFT size 34 of 2048, 4000 for FFT size of 4096 and 8000 for FFT size of 8192. 35 TIA-1204 Band Class Specification for Terrestrial Mobile Multimedia Multicast Forward Link Only Transmitters OVERVIEW 1-3 N FFT. The FFT Size, equal to the total number of sub-carr
49、iers in the OFDM waveform. The 1 Forward Link Only System uses FFT Size of 1024, 2048, 4096 or 8192 sub-carriers. 2 N GUARD. Number of guard carriers, equal to 24 for FFT size of 1024, 48 for FFT size of 2048, 3 96 for FFT size of 4096 and 192 for FFT size of 8192. 4 PER. Packet Error Rate. 5 ppm. Parts per Million. 6 s: Second 7 Signal to Noise Ratio (SNR). Ratio of Forward Link Only signal power to the noise power 8 measured over the Forward Link Only bandwidth around the channel center frequency. 9 Sub-carrier. A sub-component of the OFDM waveform that may be modulated with a 10 modu
