US : Comarco is extending its popular Prizm Scanning Receiver System to support the emerging TD-SCDMA standard currently being deployed in China. The Prizm System is an advanced scanning receiver used by cellular carriers to deploy, monitor and troubleshoot cellular networks that conform to the TD-SCDMA 3G standard. TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) is an advanced 3G mobile telecommunications standard being pursued in the People’s Republic of China by the Chinese Academy of Telecommunications Technology and which is supported by Datang and Siemens AG.

“TD-SCDMA promises a significant advance over similar systems, providing both increased capacity and advanced data features and is being positioned to support the rapid growth expected in the China mobile marketplace,” notes Mark Chapman, senior vice president and general manager of Comarco Wireless Test Solutions. “With TD-SCDMA, China has adopted a third generation technology that more easily accommodates asymmetric traffic with different data rate requirements on downlink and uplink. Comarco’s extensive experience with other CDMA technologies gives us a unique insight into the requirements needed to support this emergent and exciting standard. Furthermore our proven ability to support multiple technologies and frequency bands has allowed us to rapidly bring a superior product to market in support of this unique and growing market opportunity.”

Comarco Prizm Offers Unique TD-SCDMA Benefits

The Comarco Prizm scanner supports many new features specific to TD-SCDMA, including DwPTS detection, which simplifies performance analysis by identifying individual DwPTS in a spectrum and facilitates identification of the strongest DwPTS. In addition, automatic scrambling code decoding simplifies performance analysis by showing the individual PCCPCH, which in turn permits identification of the strongest PCCPCH and eases base station identification. These features provide a complete and independent assessment of the network separate from that reported by the handset, providing validation and verification of important RF network parameters. Additionally, advanced statistical time and delay measurements provide automated and accurate delay spread analysis, thus permitting the detection of any synchronization issues. The Prizm also offers a full complement of programmable multi-band RF spectrum measurements in addition to TD-SCDMA modes of operation.

With its flexibility, proven accuracy, and the highest available scanning speed, Prizm for TD-SCDMA is ideal for RF RSSI mapping, RF interference analysis, TD-SCDMA specific baseband decoding and the deployment, optimization and benchmarking of TD-SCDMA networks. It also supports a wide range of other engineering applications including prediction model tuning, real-time RF harmonic and spurious emissions analysis and simplified antenna siting and pre-deployment coverage analysis.

Also Available for OEM Developers

The scanner module is also available as an OEM product with a complete developer’s package for ease of integration into a customized product. The developer’s kit comes complete with user documentation, cables, and a reference board for product development. The OEM scanner module is the ideal companion for companies developing integrated network test equipment, base station commissioning, test and monitoring systems, and wireless optimization equipment.

The Comarco Prizm Scanning Receiver System is available at prices starting from $13,000(US), and availability is four to six weeks ARO.

About Comarco

Based in Lake Forest, California, Comarco is a leading provider of wireless test solutions for field test applications, ChargeSource® universal mobile power products, and wireless emergency call box systems.

Comarco’s WTS division is an industry-leading supplier of wireless test systems for field test applications. Comarco systems allow cellular network operators to improve the quality of their service through voice, video, and data benchmarking and system optimization using integrated QoS algorithms and unique multi-technology interfaces and RF scanners. Comarco’s open architecture supports both current cellular operating system technologies and new 3G systems being implemented worldwide, and is extensible to 4G technologies as they become available.

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