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LTE - Long Term Evolution

Anritsu offers a complete line of LTE test equipment to ensure the performance and quality of your LTE equipment and networks. Our Signalling Tester MD8430A is the first complete LTE-Advanced Base Station Simulator. Couple the Fading Simulator MF6900A with the Base Station Simulator MD8430A to provide a reproducible fading environment that is essential for evaluating LTE-Advanced. The Signal Analyzer provides complete LTE uplink and downlink analysis in a one-box platform that includes signal analysis and signal generation. Our Vector Signal Generator produces realistic and reproducible LTE signals and our LTE IQproducer software provides a graphical interface that lets the user easily generate LTE-compliant waveforms.

TDD/FDD Access

LTE standards support the use of both Time Domain Duplex (TDD) and Frequency Domain Duplex (FDD) from the same set of standards, and with the same air interface characteristics. 

MIMO

Multiple Input Multiple Out (MIMO) is an antenna technology that, together with signal processing, can either increase capacity (spatial multiplexing) or signal-to-noise ratio (transmit diversity) in a radio link.

In LTE using 2x2 / 4x2 MIMO with spatial multiplexing, the user data is separated into two data sets each fed to two / four transmit antennas and received by two receive antennas. Because of multi-path, each data set travels a distinct RF path with different propagation characteristics. The algorithm used to split and recombine the data allows the system to make use of the independence of these two paths in order to improve throughput. The two data streams occupy the same RF channel at the same time. This doubles the data rate possible on the air interface link.

When using MIMO with transmit diversity, the same user data is transmitted from both antennas, and at each receiver, replicas of the signal are processed. This duplication enhances signal-to-noise ratio and improves signal robustness.
Description

LTE is the first technology designed explicitly for Next Generation Networking (NGN) and is set to become the de-facto NGN mobile access network standard. It takes advantage of NGN capabilities to provide an always-on mobile data experience comparable to wired networks.

  • LTE-Advanced supports peak data rates of more than 300 Mbps on the downlink when using Carrier Aggregation (2 x 20 MHz channel bandwidth) with 2x2 MIMO or 4x2 MIMO and two times the throughput on 3GPP Release 8/9.
  • LTE supports peak data rates of 150 Mbps on the downlink when using 20 MHz channel bandwidth, two transmit antennas at the base station and two receive antennas at the User Equipment (UE). LTE also supports peak data rates of 50 Mbps on the uplink when using a 20 MHz channel bandwidth; and single transmit antennas at the UE and base station.
  • LTE generates ten to twelve times the throughput on the downlink and eight to ten times the throughput on the uplink relative to 3GPP Release 6.
  • LTE improves spectrum efficiency as defined relative to Release 6. The uplink and downlink capabilities are two to four times the spectral efficiency of High-Speed Packet Access (HSPA).
  • LTE has flexible duplex methods. Both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) are valid spectrum allocations and allow LTE to accommodate various channel bandwidths in the available spectrum.
  • LTE interoperates with W-CDMA, GSM, and CDMA2000 systems. Multimode UEs will support handover to and from these other systems.
  • Legacy technologies such as HSPA Evolution and Enhanced EDGE will continue to operate within the new network architecture.
Downlink/Uplink

LTE en-AU downlink_uplink

 

Downlink Key Features

  • OFDM-based, 15 kHz sub-carrier spacing
  • BPSK, QPSK, 16QAM, 64QAM modulation
  • Variable RF bandwidth, 1.4 MHz to 20 MHz
  • MIMO in the form of transmit diversity or spatial multiplexing
  • Scheduling, link adaptation, HARQ and measurements similar to 3.5G
  • MBMS
  • Carrier Aggregation
  • elCIC / FelCIC / CoMP

 

Uplink Key Features

  • Single Carrier FDMA, 15 kHz sub-carrier spacing
  • BPSK, QPSK, 16QAM, 64QAM modulation
  • Variable RF bandwidth, 1.4 MHz to 20 MHz
  • Scheduling, link adaptation, HARQ and measurements similar to 3.5G
  • Random access procedures
  • Carrier Aggregation

 

Products

Spectrum Master Handheld Spectrum Analyzer MS2712E

MS2712E

Handheld Spectrum Analyzer
9 kHz - 4 GHz frequency
1 Hz - 3 MHz resolution bandwidth

Spectrum Master Handheld Spectrum Analyzer MS2713E

MS2713E

Handheld Spectrum Analyzer
9 kHz - 6 GHz frequency
1 Hz - 3 MHz resolution bandwidth

Spectrum Master MS2720T

MS2720T

Handheld Spectrum Analyzer
9 kHz - 9 GHz, 13 GHz, 20 GHz,
32 GHz, 43 GHz frequency

Cell Master MT8212E

MT8212E

Base Station Analyzer
2 MHz - 4 GHz VNA frequency
100 kHz - 4 GHz SPA frequency

Cell Master MT8213E

MT8213E

Base Station Analyzer
2 MHz - 6 GHz VNA frequency
100 kHz - 6 GHz SPA frequency

BTS Master MT8820T

MT8220T

Base Station Analyzer
400 MHz - 6 GHz VNA frequency
150 kHz - 7.1 GHz SPA frequency

Sweep Master Pro MX829000A

MX829000A

Sweep Master Pro web-based line sweep and tracking tool

Sweep Master Pro+ MX829001A

MX829001A

Sweep Master Pro web-based line sweep and tracking tool with enhanced document capture capabilities

Power Meter ML2437A

ML2437A

Power Meter
100 kHz - 65 GHz frequency
100 kHz video bandwidth

Power Meter ML2438A

ML2438A

Power Meter
100 kHz - 65 GHz frequency
100 kHz video bandwidth

Wideband Peak Power Meter ML2487B

ML2487B

Wideband Peak Power Meter
100 kHz - 65 GHz frequency
20 MHz video bandwidth

Wideband Peak Power Meter ML2488B

ML2488B

Wideband Peak Power Meter
100 kHz - 65 GHz frequency
20 MHz video bandwidth

Pulse Power Meter ML2495A

ML2495A

Pulse Power Meter
100 kHz - 65 GHz frequency
65 MHz video bandwidth

Pulse Power Meter ML2496A

ML2496A

Pulse Power Meter
100 kHz - 65 GHz frequency
65 MHz video bandwidth

High Accuracy Power Sensor (Average) PSN50

PSN50

50 MHz to 6 GHz

MA2400xA Inline Peak Power Sensor

MA24105A

350 MHz — 4 GHz

MA24106A USB Power Sensors

MA24106A

50 MHz to 6 GHz

Microwave USB Power Sensor MA24108A

MA24108A

Microwave Univ USB Power Sensor
10 MHz to 8 GHz frequency
True RMS Measurement

Microwave USB Power Sensor MA24118A

MA24118A

Microwave Univ USB Power Sensor
10 MHz - 18 GHz frequency
True RMS Measurement

High Accuracy Diodes Sensors (CW) MA244xD Series

MA244xD Series

10 MHz to 50 GHz

Standard Diode Sensors (CW) MA247xD Series

MA247xD Series

10 MHz to 50 GHz

Universal Power Sensors (Average) MA248xD Series

MA248xD Series

10 MHz to 18 GHz

Universal Power Sensors (Average) MA248xD Series

MA249xA Series

Wideband Power Sensor
50 MHz to 18 GHz frequency
20 MHz video bandwidth

Pulse Sensor MA2411B

MA2411B

Pulse Sensor
300 MHz to 40 GHz frequency
50 MHz video bandwidth

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