hash stringlengths 32 32 | doc_id stringlengths 7 13 | section stringlengths 3 121 | content stringlengths 0 2.2M |
|---|---|---|---|
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.4.1 Send noise | Requirement The maximum noise level produced by the Wireless terminal at the POI under silent conditions in the send direction shall not exceed -68 dBm0(A). No peaks in the frequency domain higher than 10 dB above the average noise spectrum shall occur. Measurement method For the actual measurement no test signal is us... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.4.2 Receive noise | Requirement Telephone sets with adjustable receive levels shall be adjusted so that the RLR is as close as possible to the nominal RLR. The receive noise shall be less than -57 dBPa(A). Where a volume control is provided, the measured noise shall not be greater than -54 dBPa(A) at the maximum setting of the volume cont... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.5 Send and receive distortion | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.5.1 Overview | The send and receive distortions aim to qualify the harmonic distortion for different signal frequencies. It is not intended to provide codec-dependant requirements but to assess the electroacoustic performance of the terminal. NOTE: A new method intended to measure the noise level generated by the equipment in presenc... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.5.2 Send Distortion | Requirement The ratio of signal to harmonic distortion shall be above the following mask. ETSI ETSI TS 103 739 V1.4.1 (2021-10) 28 Table 6.5.2-1 Frequency (Hz) Signal to harmonic distortion ratio limit, send (dB) 315 26 400 30 1 000 30 2 000 30 NOTE: The limits for intermediate frequencies lie on straight lines drawn b... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.5.3 Receive distortion | Requirement The ratio of signal to harmonic distortion shall be above the following mask. Table 6.5.3-1 Frequency (Hz) Signal to distortion ratio limit, receive (dB) 315 26 400 30 500 30 630 30 800 30 1 000 30 2 000 30 3 000 30 Measurement method The handset terminal or the headset terminal is set up as described in cl... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.6 Stability loss | Requirement With the handset lying on and the transducers facing a hard surface, the attenuation from the digital input to the digital output shall be at least 6 dB at all frequencies in the range of 100 Hz to 8 kHz. In case of headsets the requirement applies for the closest possible position between microphone and he... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.7 Terminal Coupling Loss (TCL) | Requirement In order to meet talker echo objective requirements the recommended terminal coupling loss during single talk (TCL) should be greater than 55 dB at nominal setting of the volume control. The TCL shall be ≥ 46 dB for all settings of the volume control (if supplied). NOTE 1: A TCL ≥ 55 dB is recommended as a ... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8 Double talk performance | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8.1 Overview | During double talk the speech is mainly determined by 2 parameters: impairment caused by echo during double talk and level variation between single and double talk (attenuation range). In order to guarantee sufficient quality under double talk conditions the talker Echo Loudness Rating (ELR) should be high and the atte... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8.2 Attenuation Range in Send Direction during Double Talk AH,S,dt | Requirement Based on the level variation in send direction during double talk AH,S,dt the behaviour of the terminal can be classified according to table 6.8.2-1. Table 6.8.2-1: Double talk categories for send direction Category (according to Recommendation ITU-T P.340 [8]) 1 2a 2b 2c 3 Full Duplex Capability Partial Du... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8.3 Attenuation Range in Receive Direction during Double Talk AH,R,dt | Requirement Based on the level variation in receive direction during double talk AH,R,dt the behaviour of the terminal can be classified according to table 6.8.3-1. The terminal shall have full duplex capability (category 1). ETSI ETSI TS 103 739 V1.4.1 (2021-10) 33 Table 6.8.3-1: Double talk categories for receive dir... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8.4 Detection of echo components during double Talk | Requirement Echo Loss during double talk is the echo suppression provided by the terminal during double talk measured at the electrical reference point. Table 6.8.4-1: Echo loss during double talk categories Category (according to Recommendation ITU-T P.340 [8]) 1 2a 2b 2c 3 Full Duplex Capability Partial Duplex Capabi... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.8.5 Minimum activation level and sensitivity of double talk detection | For further study. |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9 Switching parameters | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9.1 Activation in Send Direction | The activation in send direction is mainly determined by the built-up time Tr,S,min and the minimum activation level (LS,min). The minimum activation level is the level required to remove the inserted attenuation in send direction during idle mode. The built-up time is determined for the test signal burst which is appl... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9.2 Minimum activation level and sensitivity in Receive direction | For further study. ETSI ETSI TS 103 739 V1.4.1 (2021-10) 36 |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9.3 Automatic level control | For further study. |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9.4 Silence Suppression and Comfort Noise Generation | For further study. |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.9.5 Non Linear Processing | Additional requirements may be needed in order to further investigate the effect of NLP implementations on the users' perception of speech quality. |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.10 Background noise performance | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.10.1 Performance in send direction in the presence of background noise | Requirement The level of comfort noise shall be within in a range of +2 and -5 dB compared to the original (transmitted) background noise. The noise level is calculated with A-weighting. NOTE 1: It is advisable that the comfort noise matches the original signal as good as possible (from a perceptual point of view). NOT... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.10.2 Speech Quality in the Presence of Background Noise | Requirement Speech Quality for wideband systems shall be tested based on ETSI TS 103 106 [20]. The test method leads to three MOS-LQO quality numbers: • N-MOS-LQOw: Transmission quality of the background noise. • S-MOS-LQOw: Transmission quality of the speech. • G-MOS-LQOw: Overall transmission quality. For the backgro... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.10.3 Quality of Background Noise Transmission (with Far End Speech) | Requirement The test is carried out applying a speech signal in receive direction and by comparing the noise level transmitted in the send direction under reference conditions with no far end speech, to the noise level transmitted in the send direction under test conditions including far end speech. During and after th... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.11 Quality of echo cancellation | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.11.1 Temporal echo effects | Requirement This test is intended to verify that the system will maintain sufficient echo attenuation during single talk. The measured echo attenuation during single talk shall not decrease by more than 6 dB from the maximum echo attenuation measured. Measurement method The handset terminal or the headset terminal is s... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.11.2 Spectral Echo Attenuation | Requirement The echo attenuation vs. frequency shall be below the tolerance mask given in table 6.11.2-1. Table 6.11.2-1: Echo attenuation limits Frequency Limit 100 Hz -41 dB 1 300 Hz -41 dB 3 450 Hz -46 dB 5 200 Hz -46 dB 7 500 Hz -37 dB 8 000 Hz -37 dB NOTE: The limit at intermediate frequencies lies on a straight l... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.11.3 Occurrence of Artefacts | For further study. |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.11.4 Variable echo path | Requirement This test is intended to verify that the system will maintain sufficient echo attenuation during single talk with dynamic changing echo paths. The measured echo level over time during single talk shall not be more than 10 dB above the minimum noise level during the measurement. Measurement method The handse... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.12 Send and receive delay - round trip delay | Requirement Send and receive delays are tested separately but the requirement is defined for the combination of send and receive delays (round-trip delay). It is recognized that the end-to-end delay should be as small as possible in order to ensure high quality of the communication. The round-trip delay Trtd (sum of se... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 6.13 Void | 7 Codec dependent requirements and associated Measurement Methodologies |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.1 Speech Codecs | The present document is intended to be applicable for different speech codecs implemented in access networks. Table 7.1-1 defines a list of speech codecs implemented in the terminals (non-exhaustive). Table 7.1-1: List of speech codecs System Codec UMTS (WCDMA) AMR-WB (Recommendation ITU-T G.722.2) @12,65 kbit/s [19] V... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2 Objective listening Quality in send and receive direction | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2.0 Overview | The test methods and requirements described in clauses 7.2.1 and 7.2.2 of the present document are only applicable if the handset or headset terminal supports at least one of the codecs listed in table 7.1-1. ETSI ETSI TS 103 739 V1.4.1 (2021-10) 43 |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2.1 Objective listening speech quality MOS-LQO in send direction | The listening speech quality tests are conducted without any packet impairments (clean network conditions). Requirement The requirements for the listening speech quality according to table 7.2.1-1 apply. Table 7.2.1-1: Requirements for speech quality in send direction Speech coder MOS-LQOF (P.863 [25]) MOS-LQOM (TOSQA ... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2.2 Objective listening quality MOS-LQO in receive direction | |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2.2.1 Jitter- and Error-Free Condition | The listening speech quality tests are conducted without any packet impairments (clean network conditions). Requirement The requirement for the listening speech quality and the delay under clean network conditions according to table 7.2.2-1 apply. Table 7.2.2-1: Requirements for speech quality in receive direction Spee... |
0f069814918a51ab5d585b1046fd3616 | 103 739 | 7.2.2.2 Packet Impairments | The listening speech quality tests are conducted with simulated packet impairments. In addition to the listening speech quality tests, the delay is measured. The tests of this clause are only applicable to terminals providing an IP-based network access. Requirement The degradation between the error- and jitter-free con... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 1 Scope | The present document specifies technical characteristics and methods of measurements for equipment employing DECT-2020 NR (New Radio) as specified in by the multi-part technical specification ETSI TS 103 636 (see [i.8] for an overview). These radio equipment types can operate in all or any part of the frequency bands g... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 2 References | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 3 Definition of terms, symbols and abbreviations | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 3.1 Terms | For the purposes of the present document, the following terms apply: antenna assembly: combination of the antenna (integral or dedicated), its coaxial cable and if applicable, its antenna connector and associated switching components NOTE 1: This term (antenna assembly) refers to an antenna connected to one transmit ch... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 3.2 Symbols | For the purposes of the present document, the following symbols apply: B Nominal Channel Bandwidth Boccupied Occupied Channel Bandwidth dBi dB(isotropic) - the forward gain of an antenna compared with the hypothetical isotropic antenna, which uniformly distributes energy in all directions dBm Absolute power level relat... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: ACK Acknowledgement ACS Adjacent Channel Selectivity AWGN Additive White Gaussian Noise BPSK Binary Phase Shift Keying BW Bandwidth CRC Cyclic Redundancy Check CW Continuous Wave e.i.r.p. effective isotropic radiated power e.r.p. effective rad... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4 Technical requirements specifications | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.1 Environmental profile | The technical requirements of the present document apply under the environmental profile for operation of the equipment, which shall be in accordance with its intended use. The equipment shall comply with all the technical requirements of the present document at all times when operating within the boundary limits of th... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.2 General requirements | The equipment shall be designed, constructed and manufactured in accordance with good engineering practice and with the aim of minimizing harmful interference to other equipment and services. The equipment supplied for testing shall be market conform. Equipment submitted for testing shall support operation with at leas... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3 Conformance requirements for transmitter | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.1 Transmitter RF Output Power | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.1.1 Definition | The Transmitter RF Output Power is the effective isotropic radiated power (e.i.r.p.) including any additional gain by antenna, additional (beamforming) gain in smart antenna systems (devices with multiple transmit chains), and/or supporting circuitry. The maximum output power is measured as the mean power over a transm... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.1.2 Limit | The maximum allowed transmitter RF output power for equipment operating on a single Nominal Channel Bandwidth is up to: • 26 dBm e.i.r.p. for use with omni-directional antennas; • 30 dBm e.i.r.p. for use with directional antennas, with a maximum nominal transmit power of 24 dBm. NOTE 1: National regulation can define a... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.1.3 Conformance | Conformance tests as defined in clause 5.4.1 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.2 Nominal Centre Frequencies | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.2.1 General | The equipment operates with a channel plan consisting of nominal channels with bandwidth B and nominal centre frequencies fn. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.2.2 Definitions | The Nominal Centre Frequency is the centre of the Nominal Channel with bandwidth B. The Measured Centre Frequency is the centre of the Operating Channel. The transmitter frequency error is determined by the difference between the Nominal Centre Frequency and the Measured Centre Frequency of the device. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.2.3 Limit | In general, the Nominal Centre Frequencies fn are given by equation: fn = fo,1 + n x 0,864 MHz, below 3 GHz for n = 1…2 951 fn = fo,2 + (n-2 952) x 1,728 MHz, above 3 GHz for n = 2 952…8 192 where: f0,1 = 450,144 MHz and f0,2 = 3 000,596 MHz Equipment operating in the frequency band 1 880 MHz to 1 900 MHz shall be capa... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.2.4 Conformance | Conformance tests as defined in clause 5.4.2 shall be carried out. ETSI ETSI TS 103 776 V1.1.1 (2023-09) 15 |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.3 Nominal Channel Bandwidth | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.3.1 Definitions | The Nominal Channel Bandwidth B is the widest band of frequencies, including guard bands, assigned to a transmission signal. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.3.2 Limit | In general, the Nominal Channel Bandwidth B shall be 1,728 MHz × 2N, where N is an integer value, e.g. 0, 1, 2, …, N. Table 3 provides examples. Table 3: Examples of Nominal Channel Bandwidth B N B 0 1,728 MHz 1 3,456 MHz 2 6,912 MHz If the equipment supports multiple Nominal Channel Bandwidths B, the equipment may cha... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.3.3 Conformance | Conformance shall be verified via the spectrum emission mask requirement defined in clause 4.3.4.2. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4 Transmitter unwanted emissions | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.1 Transmitter unwanted emissions in the spurious domain | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.1.1 Definition | Transmitter unwanted emissions in the spurious domain are emissions on a frequency or frequencies immediately outside the limit of 250 % of the nominal channel bandwidth B above and below the centre frequency of the transmitted signal emissions. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.1.2 Limits | The level of transmitter unwanted emissions in the spurious domain shall not exceed the limits given in Table 4, where Fupper shall be at least the 5th harmonic of the upper band edge frequency of the service band (see Table 1 or as defined in national regulation) the EUT is designed for operation. In case of equipment... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.1.3 Conformance | Conformance tests as defined in clause 5.4.3.1 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.2 Transmitter unwanted emissions in the out of band domain | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.2.1 Definition | Transmitter unwanted emissions in the out of band domain are emissions on a frequency or frequencies immediately outside the nominal channel bandwidth B denoted as ΔfOOB and are within the limit of 250 % of the nominal channel bandwidth B above and below the actual centre frequency of the transmitted signal fc,a. Nomin... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.2.2 Limits | The spectrum emission limits as specified in Table 5 shall apply to frequencies f = fc,a ± (B/2 + ΔfOOB), which are starting from the lower or higher edge of the assigned nominal channel with bandwidth B and actual centre frequency fc,a. Figure 1 provides an illustration of the emission limits outside of the channel ed... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.3.4.2.3 Conformance | Conformance tests as defined in clause 5.4.3.2 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4 Conformance requirements for receiver | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.1 Receiver Minimum Performance Criterion | The minimum performance criterion shall be a measured bit rate of at least 90 % of the maximum achievable throughput of the EUT. For equipment not supporting a throughput test, the minimum performance criterion shall be a Packet Error Rate (PER) of less than or equal to 10 %. For equipment that does not support a throu... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.2 Receiver Sensitivity | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.2.1 Definition | Receiver sensitivity is the ability to receive a wanted signal at low input power level while providing a pre-determined level of performance. Receiver sensitivity is defined as: Rxsensitivity = -174 dBm + 10 × log(B) + NF + SNRneeded with: • NF = noise figure of the receiver in [dB] • B = nominal channel bandwidth in ... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.2.2 Limit | The receiver sensitivity of the equipment shall be Rxsensitivity ≤ -80 dBm + c, where c = 10 × log (B / 1,728 MHz) and where B = 1,728 MHz × 2N with N being an integer value starting with 0, see clause 4.3.3. The receiver minimum performance criterion according to clause 4.4.1 shall be fulfilled at the Rxsensitivity si... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.2.3 Conformance | Conformance tests as defined in clause 5.5.1 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.3 Adjacent Channel Selectivity | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.3.1 Definition | Adjacent Channel Selectivity (ACS) is a measure of a receiver's ability to receive the wanted signal assigned to its nominal channel frequency in the presence of an adjacent channel signal interference of power PInterferer at a given frequency offset ΔfInterferer from the centre frequency fc of the nominal channel. ACS... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.3.2 Limit | For the operation under each supported nominal channel bandwidth B the performance criterion of clause 4.4.1 shall be fulfilled, when the received signal and the adjacent channel interfering signal parameters are present as defined in Table 6, where interference signal and own signal shall have the same transmitted sig... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.3.3 Conformance | Conformance tests as defined in clause 5.5.2 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.4 Receiver out of band blocking | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.4.1 Definition | Receiver out of band blocking is a measure of the capability of the equipment to receive a wanted signal on its operating channel without exceeding a given degradation due to the presence of an unwanted input signal (blocking signal) on frequencies other than those of the operating bands provided in Table 1 or the oper... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.4.2 Limit | For the operation under each supported nominal channel with nominal channel bandwidth B the performance criterion of clause 4.4.1 shall be fulfilled, when the received signal and the interfering signal parameters are present as defined in Table 7, where Fupper shall be at least the 5th harmonic of the upper band edge f... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.4.3 Conformance | Conformance tests as defined in clause 5.5.3 shall be carried out. ETSI ETSI TS 103 776 V1.1.1 (2023-09) 20 |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.5 Spurious response | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.5.1 Definition | Spurious response is a measure of the receiver's ability to receive a wanted signal on its assigned channel frequency without exceeding a given degradation due to the presence of an unwanted CW interfering signal at any other frequency at which a response is obtained, i.e. on spurious response frequencies as identified... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.5.2 Limit | For the operation under each supported nominal channel with nominal channel bandwidth B the performance criterion of clause 4.4.1 shall be fulfilled, when the received signal and the interfering signal parameters are present as defined in Table 8. Table 8: Receiver spurious response requirement Rx Parameter Values Unit... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.5.3 Conformance | Conformance tests as defined in clause 5.5.4 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.6 Receiver Intermodulation | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.6.1 Definition | Intermodulation response rejection is a measure of the capability of the receiver to receive a wanted signal on its assigned channel frequency in the presence of two or more interfering signals which have a specific frequency relationship to the wanted signal. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.6.2 Limit | For the operation under each supported nominal channel with nominal channel bandwidth B the receiver minimum performance criterion according to clause 4.4.1 shall be fulfilled at the presence of two interfering signals as defined in Table 9. Table 9: Test parameters for Wideband intermodulation Rx Parameter Values Unit... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.6.3 Conformance | Conformance tests as defined in clause 5.5.5 shall be carried out. ETSI ETSI TS 103 776 V1.1.1 (2023-09) 21 |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.7 Receiver unwanted emissions in the spurious domain | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.7.1 Definition | The spurious emissions power is the power of emissions generated or amplified in a receiver that appear at the RD antenna connector or emitted by the antenna. Spurious emissions include harmonic emissions, parasitic emissions, intermodulation products and frequency conversion products. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.7.2 Limit | The measured spurious emission power shall not exceed the limits of Table 10, where Fupper shall be at least the 5th harmonic of the upper band edge frequency of the service band the EUT is designed for operation. NOTE: Applicable radio communication service frequency bands are given in Table 1 or in national regulatio... |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.4.7.3 Conformance | Conformance test as defined in clause 5.5.6 shall be carried out. |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.5 Conformance requirements on Channel Access | |
f35a69d6733e04974db3d59aeb131b9e | 103 776 | 4.5.1 General |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.