Available Features (LTE-Advanced)
89601BHGC (89601B-BHG) LTE Long Term Evolution-Advanced FDD Frequency Division Duplex: A duplex scheme in which uplink and downlink transmissions use different frequencies but are typically simultaneous. and 89601BHHC (89601B-BHH) LTE-Advanced TDD Time Division Duplex: A duplexing technique dividing a radio channel in time to allow downlink operation during part of the frame period and uplink operation in the remainder of the frame period. Modulation Analysis provide the following modulation analysis capabilities:
Opt. BHG: LTE-Advanced FDD Modulation Analysis and Opt. BHH: LTE-Advanced TDD Modulation Analysis provide the following modulation analysis capabilities:
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Support for uplink and downlink signals
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Support for up to five component carriers, as specified by the standard
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Standard bandwidth presets for all bandwidths specified in the standard: 1.4, 3, 5, 10, 15, and 20 MHz Megahertz: A unit of frequency equal to one million hertz or cycles per second.
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Auto-generated limit lines for verifying Spectral Flatness and In-band Emissions using the Per Slot Channel Frequency Response and In-band Emissions traces, respectively
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Autodetection of cyclic prefix length, Cell ID Group and Sector, Reference Signal PseudoRandom Sequence (RS-PRS)
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Power-based autodetection of downlink resource block modulation type and grouping into separate user channel mappings (for PDSCH Physical Downlink Shared Channel on C-RS Cell-specific RS antenna ports)
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PDCCH Physical Downlink Control Channel-based autodetection of downlink allocations (for PDSCH on C-RS antenna ports)
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Autodetection of signal parameters from PBCH Physical Broadcast Channel, PCFICH Physical Control Format Indicator Channel, and PDCCH
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Autodetection of uplink channels and grouping into a single user mapping
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Support for custom user allocations for uplink and downlink
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Support for clustered SC-FDMA Single Carrier - Frequency Division Multiple Access in uplink signals
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Beamforming
- Antenna beam pattern traces
- Support for single-layer (Rel 8), dual-layer (Rel 9), and up to 8-layer TM9 (Rel 10) beamforming
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Separate measurement results and display for signals and user channels: C-RS, CSI-RS Channel State Information Reference Signal, DM-RS DeModulation Reference Signal (LTE), MBSFN-RS Multicast-Broadcast Single Frequency Network Reference Signal, P-SS Primary Synchronization Signal, P-RS Positioning Reference Signal, PBCH, PCFICH, PHICH Physical Hybrid ARQ Indicator Channel, PDCCH, PDSCH, PMCH Physical Multicast Channel, PUCCH Physical Uplink Control Channel, PUSCH Physical Uplink Shared Channel, PRACH Physical Random Access Channel, S-SS Secondary Synchronization Signal, SRS Signaling Reference Signal, UE-RS UE-specific Reference Signal, as well as non-allocated subcarriers
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Decoded channel information for PBCH, PCFICH, PDCCH, and C-RS-based PDSCH
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Ability to view information bits from control and shared channels at different points in the receiver chain (such as after descrambling, deratematching, decoding, etc.)
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Measurement offset and interval (similar to time gating) used to select specific data intervals for analysis. Measurement offset and interval specified in slots+symbols
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Analysis start boundary specified as Frame, Half-Frame, or Subframe for downlink and as Frame, Half-Frame, Subframe, or Slot for uplink
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Multi-frame analysis for single-antenna, downlink, TDD frame type 2 signals
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Variable (user definable) time scaling for non-standard symbol rates
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Synchronization to P-SS or C-RS for downlink; synchronization to PUSCH DM directed mesh: The realizations of a physical mesh using substantially directional antennas. See also: mesh-RS, PUCCH DM-RS, SRS, or PRACH for uplink
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Support for PUCCH Format 3
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Selectable symbol-by-symbol pilot (reference signal) tracking for timing, amplitude, and phase
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3GPP EVM Error vector magnitude (EVM): A quality metric in digital communication systems. See the EVM metric in the Error Summary Table topic in each demodulator for more information on how EVM is calculated for that modulation format. Minimization supported for uplink and downlink: amplitude, frequency, and timing. For uplink, IQ Offset EVM Minimization is also supported.
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Definable shared channel and control channel/signal power boosts
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Adjustable symbol FFT Fast Fourier Transform: A mathematical operation performed on a time-domain signal to yield the individual spectral components that constitute the signal. See Spectrum. locations and EVM window length for OFDM Orthogonal Frequency Division Multiplexing: OFDM employs multiple overlapping radio frequency carriers, each operating at a carefully chosen frequency that is Orthogonal to the others, to produce a transmission scheme that supports higher bit rates due to parallel channel operation. OFDM is an alternative tranmission scheme to DSSS and FHSS. symbols
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Support for autodetected or manually specified PDCCH per-slot allocations
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Support for up to 8 antenna downlink MIMO Multiple Input, Multiple Output: A physical layer (PHY) configuration in which both transmitter and receiver use multiple antennas. signals using a combination of Tx Diversity and Spatial Multiplexing precoding
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Support for carrier aggregation (interband, intra-band contiguous/non-contiguous)
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MIMO performance metrics including EVM, Common Tracking Error, frequency error, relative power, timing and phase metrics for individual measurement channels (based on C-RS)
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MIMO traces containing channel frequency response, impulse response, common tracking error information, and condition number for each of the C-RS/Rx paths
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Support for Custom RS-PRS
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Support for uplink signals with subcarrier 0 at either DC or 7.5 KHz (with or without phase reset after each symbol)
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Frequency-domain displays, such as IQ measured, IQ reference, and error vector traces
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Composite time/frequency-domain display option for SC-FDMA Frequency Division Multiple Access: Method of allowing multiple users to share the radio frequency spectrum by assigning each active user an individual frequency channel. In this practice, users are dynamically allocated a group of frequencies so that the apparent availability is greater than the number of channels. signals
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Mirrored frequency spectrums can be flipped to remove the effects of high-side mixing.
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Averaging available for a variety of trace data and most numeric error summary, frame summary, and MIMO info table data:
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rms (video) - computes an rms average from the specified number of measurement sweeps
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rms (video) exponential - similar to rms (video) except that averaging continues past the average count with an exponential weighting
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continuous peak hold - holds the peak value of all the sweeps
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- Single channel analysis of UL Up Link (reverse link: from cell phone to base station)-MIMO signals
See Also
About LTE-Advanced Modulation Analysis