The AP-6000 Air Protocol Analyzer is recognized by industry leading wireless GSM/WCDMA network operators, infrastructure and mobile phone manufacturers as well as chipset design houses as the most comprehensive air protocol and inter-operability testing tool available today. The AP-6000 provides users with advanced solutions for both the R&D lab and IOT environments complying with the 3GPP latest air interface standards.

The AP-6000 is the latest development in the family of Air Protocol Analyzers. It is the successor of the popular AP-4000, taking advantage of the solid development of 3GPP Uu protocol stack and incorporating new features like HSDPA, HSUPA, I/Q inputs, and InerRAT. The flexible hardware platform has been designed to support the current 3GPP standards and easily accommodate new features.

These characteristics make the AP-6000 the ideal tool to tests the air interface between User Equipment (UE) and Base Transceiver Stations (BTS) in 3GPP networks. The AP-6000 allows developers, researchers and inter operability test engineers to perform in-depth analysis of all three layers of the Uu protocol stack with a completely reliable vendor independent tool. Hardware and software development time can be greatly reduced by using the AP-6000.
The AP-6000 can also assist in reducing the release time to market of new products. In addition, the analysis and location of problems during Inter Operability Testing (IOT) is made easier.

Key Features
  • Compliant with 3GPP UMTS/WCDMA specification Release ’99 to Release 8
  • True air interface analysis: no wired connection required to UE, BTS or Network
  • Uplink (UL) and Downlink (DL) analysis
  • Layer 1, Layer 2 and Layer 3 complete detailed information
  • MAC, RLC and RRC messages
  • User and Control Plane analysis
  • Real-time message decode and display of Uu interface Layer 1
  • Full trace function for target UE during soft HO and Inter-Frequency HO
  • InterRAT capability between GSM/WCDMA
  • Post-processing and analysis of recorded data (L1, L2 & L3)
  • High Speed Downlink Packet Access (HSDPA)
  • High Speed Uplink Packet Access (HSUPA)
  • WCDMA Quad Band (850MHz, 1.7GHz, 1.9GHz and 2.1GHz)
Vendor Independent
A powerful, universal validation tool
The APA monitors and records the Uu air interface with its own internal RF units. This has the advantage of not requiring a wired connection to the UE, BTS or any element of the UMTS network to be tested. As a result, it is a valuable and independent tool to test any piece of equipment that complies with the 3GPP’s Uu specifications.

Evolution with 3GPP
Continuing to evolve
As 3GPP specifications change so does the APA family by incorporating the latest developments. This is possible because of the APA’s modular architecture and its fully programmable FPGA based design. Our group of engineers works closely with developers, vendors and manufacturers to evaluate their needs and anticipate future trends.

Validation of 2G/3G Networks
With the rapid implementation of 3G networks and the necessity of its coexistence with previously installed 2G systems, it is critical to have tool to test the UE’s passage between networks. The APA, with its dual RF internal units and InterRAT option, provides the capability to follow and document the GSM/WCDMA handover.

Inter-Operability Testing
An easy way to troubleshoot
Today different vendors of UE and Node B equipment coexist in most networks around the world. Performing comprehensive IOT is critical for these scenarios especially when combining the various types of equipment. This ensures a smooth operation and system performance. The powerful analysis capabilities of the APA makes it an excellent tool for troubleshooting problems during UE registrations, paging, handovers, etc.

Main Functions
  • Sync Channel (P-SCH) radio signal profile viewer
  • Auto and manual operation modes
  • Frequency, cell and code search
  • Cell sites information
  • Real time display and decode of UU interface RLC and RRC messages
  • Display L1 information: CRC, TPC, FBI, TFCI, RSCP
  • Decoding and display of Transport Channels, MAC, RLC, RRC
  • NAS, ASN.1 display of RRC messages
  • UE trace: First RACH, first FACH, TMSI, IMSI, IMEI
  • Supports Compressed Mode
  • The APA Series is easy to use
  • No physical or hard wired connection required to UE, BTS or target Network
  • Completely vendor independent. Provides a universal and reliable source for UU protocol analysis
  • The APA reduces testing time during R&D stage of UE, BTS, chipsets and software
  • Improves time to market
  • Field network optimization
  • Auto mode provides a fast way to find a cell, UE and start analysis
  • Manual mode parameter setting provides R&D engineers with a flexible and powerful tool to analyze a wide range of scenarios
  • InterRAT hardware module and software for GSM/WCDMA/Edge environments
  • PCAP format conversion software for TCP-IP analysis
  • H.245 header analysis, UDI data analysis
  • Conversion of APA data log to LSC file format to be used with Anritsu MD8480 signaling tester
  • Cipher key input
  • Export of TPC and RSCP information
  • Layer 1 statistic report
  • MBMS
  • I/Q inputs
  • Flexibility: special requirements can be analyzed and developed
Display of Information- view image
User friendly interface and detailed data
The APA provides real time information of channel activity and RRC messages as well as detailed off-line information from Layer 1 to Layer 3 allowing the engineer to concentrate on the desired area of interest and thoroughly analyze the obtained data.
Real Time Displayview image
During a Take, the APA displays the current data being received on each physical channel and RRC messages. Also, it shows the SCH profile and BTSs status.

In this view it is easy to see at a glance the activity of the different channels. The engineer can look for the correct sequence of PRACH, AICH and RRCs during a call setup, the status of CRCs, Hand Over sequences and more.

Off-line Display
After a Take is finished, the APA provides all the required information for a deep analysis on 8 tabbed windows:
  • Layer 1 Graphic View
  • Layer 1 Data Dump
  • BCH Analysis
  • C-Plane RRC/NAS Analysis
  • U-Plane Analysis
  • Online Messages
  • C-Plane RLC Analysis
  • U-Plane RLC Analysis
The navigation is as easy as selecting the appropriate tab or, for example, by double-clicking on an RRC message in the C-Plane RRC/NAS Analysis window the correspondent signal is shown in the Layer 1 Graphic View, and vice versa. This makes easy to trace a sequence of messages during a call.

Layer 1 Graphic View- view image
Captured physical channel data is displayed in a time line. Transport Channel data and Physical Layer are shown.

Layer 1 Data Dump - view image
The received data is displayed by channel along with its timestamp. It is possible to filter the different channels.

BCH Analysis- view image
The System Information Block (SIB) transmitted over the Broadcast Channel (BCH) is displayed and shown also in Abstract Syntax Notation (ASN.1) for a easier reading.

C-Plane RRC/NAS Analysis- view image
In this screen the following information about the Control Plane can be found:
  • RRC message list
  • RRC payload
  • RLC status
  • MAC status
  • Transport Channel status
  • Radio Bearer status
By selecting an RRC message, it is displayed on the right hand side windows in ASN.1 format. This view provides an efficient way to troubleshooting.

U-Plane Analysis - view image
In this screen the following information about the User plane can be found:
  • Message list
  • RRC payload
  • RLC status
  • MAC status
  • Transport Channel status
  • Radio Bearer status
By selecting an RRC message, it is displayed on the right hand side windows in ASN.1 format. The information shown contains IPv4 header display, Hex and ASCII dump of data payload, allowing a detailed analysis of TCP/IP and application data.

Online Message - view image
All RRC messages are shown with its timestamp, direction (UL or DL), Sequence Frame number (SFN)

C-Plane & U-Plane Analysis windows - view image
These windows are used to analyze the Layer 2 RLC. Each one shows the sent data packets, its ACK, NACK, the delay time, retransmitted messages and estimation on the possible cause for the retransmission. Also, statistical information is shown on the following values, both in the UL and DL:
  • Total Packet Data Units (PDU)
  • Total Data
  • Resend Data
  • Total Ack
  • Average Ack Time
  • Total Reset

AP-6000 Specifications - see details»

Download Brochure (1.7MB PDF)

Download Overview Slideshow (5.7MB PPT)

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