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New LTE frequency band adaption

Published on 18 June 2014

LTE device testing

Latest US Carrier aggregation requirements and new LTE frequency band adaption supported by 7Layers

PTCRB, the North American based cellular device certification scheme, has recently added new LTE frequency bands such as the eFDD band 30 to their certification requirements.

The underlying 3GPP test specification work will presumably be completed by the end of the year. It will become necessary to add Band 30 as a stand-alone band as well as to Carrier Aggregation combinations.

Especially in the area of carrier aggregation, PTCRB is very far advanced, having defined a large range of possible new band combinations beyond standard LTE. This is in order to prepare for the growing data demands of a smarter world environment.

Currently the following band combinations have already been adopted by the PTCRB certification scheme

  • FDD Band 4 + FDD Band 17 (including reverse allocation)
  • FDD Band 2 + FDD Band 17 (including reverse allocation)
  • FDD Band 4 + FDD Band 12 (including reverse allocation)
  • FDD Band 2 + FDD Band 12* (including reverse allocation)
  • FDD Band 4 + FDD Band 7
  • FDD Band 4 + FDD Band 29
  • FDD Band 2 + FDD Band 29
  • FDD Band 4 + FDD Band 5
  • FDD Band 4    Intra-Band Non-contiguous*
  • FDD Band 5 + FDD Band 29**
  • FDD Band 2 + FDD Band 4*
  • FDD Band 2 + FDD Band 5*  (including reverse allocation)

7Layers is very deeply involved helping the PTCRB network operators validating the different band combinations and getting them tested on the basis of their certification scheme.
We have already achieved global coverage within the 7Layers Group of related services that 7Layers can offer to device manufacturers providing this technology.

Click here to find out more about our PTCRB services.

Not just limited to this, 7Layers is also deeply involved in adopting the latest eFDD frequency band 30 at the global standardization organization 3GPP.
Our experts are collaborating with other device vendors and network operators to get the necessary specification changes accomplished by the end of this year.


About 7Layers

7Layers, an international group of engineering & test centers, supports industries employing wireless technologies such as LTE, GSM, GPRS, EDGE, W-CDMA, CDMA, WiFi, GPS, TETRA, Bluetooth®…. End product manufacturers, component manufacturers, network operators, smart service providers and technology associations benefit from working with 7Layers. 7Layers runs accredited Test Houses in the USA, Germany, China, Korea and Japan offering conformance and interoperability testing, certification and global type approval for devices with integrated wireless connectivity and smart services. The 7Layers’ Systems House offers product development and integration support, development of test specifications and test cases, as well as InterLab test solutions and test management systems. The 7Layers’ Software House provides the InterLab Software System, for the systematic verification & validation of complex high-tech products. 7Layers belongs to the Bureau Veritas Group, a global leader in testing, inspection and certification, serving a large variety of industries.

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