WCDMA/HSPA+ digital standards

WCDMA/HSPA+ digital standards
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WCDMA/HSPA+ digital standards, Screenshot

Key facts

  • Uplink/downlink signal generation in line with 3GPP FDD Rel. 11
  • Including HSDPA, HSUPA and HSPA+ physical channels and features
  • Simulation of up to 4 base stations (BS) or mobile stations (MS)
  • Support of real-time operation for uplink and downlink channels
  • Test case wizard for easy test setup in line with 3GPP TS 25.141

WCDMA/HSPA+ signal generation

These digital standard options provide WCDMA/HSPA+ signal generation capabilities in line with 3GPP FDD Rel. 11. This includes all physical channels of 3GPP FDD, HSDPA, HSUPA and HSPA+.  All signals are generated either as a combination of the real-time and ARB modes or in ARB mode only (WinIQSIM2™).
Various test models and predefined settings are available to simplify signal generation as far as possible. Furthermore, a test case wizard ensures the easy setup of base station conformance tests. Various graphical displays and setting assistants also support fast and convenient signal configuration.

Features & benefits

Support of all physical channels

All WCDMA 3GPP FDD, HSDPA, HSUPA and HSPA+ physical channels are supported. This allows the simulation of up to:

  • Four base stations (BS) with up to 128 code channels each
  • Four configurable mobile stations (MS) and up to 128 additional MS with identical configuration in parallel

Main menu, base station settings (downlink)
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Main menu, base station settings (downlink)

Perfect for BER and BLER measurements

In downlink mode, the P-CCPCH and up to three DPCH can be generated in real time. In uplink mode, real-time simulation is supported for DPCCH and one DPDCH of one mobile station. This allows a 3GPP conformant continuous measurement of BER and BLER in a code channel with PN data. Furthermore, bit and block error rate insertion is supported, enabling the verification of the  base station internal BER/BLER calculations. 

DPCH bit error insertion dialog
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DPCH bit error insertion dialog

Test case wizard for easy setup of BS tests

The test case wizard supports the configuration of test signals in line with 3GPP TS 25.141 for base station conformance tests. It offers a selection of predefined settings for wanted and interfering signals based on the defined test cases.

Test case wizard main dialog
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Test case wizard main dialog

Quick signal configuration

The predefined settings assistant allows quick signal generation for testing amplifiers and other components.
Downlink test models in line with 3GPP TS 25.141 are provided as predefined settings:

  • Test model 1 with 4/8/16/32/64 DPCH
  • Test model 2
  • Test model 3 with 4/8/16/32 DPCH
  • Test model 4
  • Test model 5 with 8/4/2 HS-PDSCH (in case of 4 HS-PDSCH with 4 or 14 DPCH)
  • Test model 6 with 8/4 HS-PDSCH

Predefined settings dialog
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Predefined settings dialog

Graphical signal evaluation

Various graphical displays support fast and easy signal configuration/evaluation:

  • Code domain display with domain conflict indication
  • Channel graph
  • Graphical signal monitoring in real time (I and Q vs. time, frequency spectrum, vector diagram, CCDF and more), including marker functions

Code domain display, 4 HS-PDSCH and 4 DPCH
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Code domain display, 4 HS-PDSCH and 4 DPCH

Support of HSPA and HSPA+ physical channels

Simulation of HSUPA and HSDPA physical channels, including HSPA+ features:

  • HSDPA H-Sets 1 to 12 with channel coding and user-editable H-Set configurations
  • MIMO support including HSDPA MIMO precoding and HS-DPCCH signaling for user equipment
  • HSUPA fixed reference channels (FRC) 1 to 8 with channel coding and HARQ feedback simulation
  • Higher order modulation schemes, 64QAM in downlink and 4PAM in uplink
  • Continuous packet connectivity (CPC) 

Excerpt from channel table of HSDPA H-Set 8
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Excerpt from channel table of HSDPA H-Set 8

Tailored for BS/MS tests

Several other functions are needed for 3GPP standard conformant/compliant test setups:

  • Dynamic power control support in real-time mode for up to three DPCH in downlink and one mobile station in uplink are essential for RX tests that need closed-loop power control.
  • In the uplink, the output of the FRC HARQ processes can be controlled in real time using a feedback line from the DUT to allow base station performance tests in line with 3GPP TS 25.141.

HARQ feedback simulation for 3GPP BS tests.
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HARQ feedback simulation for 3GPP BS tests.

Available models

R&S®SMW200A
Models
Description
Base unit

R&S®SMW-K42

Order number 1413.3784.02

Description
3GPP FDD
Base unit

R&S®SMW-K83

Order number 1413.4580.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests
Base unit

R&S®SMW-K242

Order number 1413.4839.02

Description
3GPP FDD (WinIQSIM2™)
Base unit

R&S®SMW-K283

Order number 1413.6290.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests (WinIQSIM2™)
Base unit
R&S®SMM100A
Models
Description
Base unit

R&S®SMM-K42

Order number 1441.2008.02

Description
3GPP FDD
Base unit

R&S®SMM-K83

Order number 1441.1899.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests
Base unit

R&S®SMM-K242

Order number 1441.1701.02

Description
3GPP FDD (WinIQSIM2™)
Base unit

R&S®SMM-K283

Order number 1441.1547.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests (WinIQSIM2™)
Base unit
R&S®SMBV100B
Models
Description
Base unit

R&S®SMBVB-K42

Order number 1423.7747.02

Description
3GPP FDD
Base unit

R&S®SMBVB-K83

Order number 1423.7899.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests
Base unit

R&S®SMBVB-K242

Order number 1423.8189.02

Description
3GPP FDD (WinIQSIM2™)
Base unit

R&S®SMBVB-K283

Order number 1423.8337.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests (WinIQSIM2™)
Base unit
R&S®SMCV100B
Models
Description
Base unit

R&S®SMCVB-K242

Order number 1434.4196.02

Description
3GPP FDD (WinIQSIM2™)
Base unit

R&S®SMCVB-K283

Order number 1434.4473.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests (WinIQSIM2™)
Base unit
R&S®SGT100A
Models
Description
Base unit

R&S®SGT-K242

Order number 1419.6056.02

Description
3GPP FDD (WinIQSIM2™)
Base unit

R&S®SGT-K283

Order number 1419.7100.02

Description
3GPP FDD HSPA/HSPA+, enhanced BS/MS tests (WinIQSIM2™)
Base unit

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