Licensed Shared Access specs available from ETSI

Licensed Shared Access specs available from ETSI

Technology News |
By Julien Happich

The recently completed specification, ETSI TS 103 379 addresses information elements and protocols for the operation of Licensed Shared Access in the 2 300 MHz – 2 400 MHz band. The document defines the application protocol, also known as LSA1 protocol, on the interface between the LSA Controller and the LSA Repository, and the content of the information conveyed by this protocol.

With this new specification, ETSI TC RRS completes a set of specifications that opens the way for interoperable implementation of LSA Repositories and LSA Controllers to support LSA deployments in the initial target band (2 300 MHz – 2 400 MHz). Extensions to other bands are not precluded, in response to future regulatory requirements. It is the intention to take such future requirements as well as additional features into consideration when starting a new release of the LSA specifications.

In the LSA architecture, the LSA repository contains information on spectrum resource availability, which is dependent on existing current holder of spectrum rights of use required usage and in accordance with each country’s specific regulatory regime. The LSA Controller resides in the network operator’s domain to ensure that the network configuration complies with the instructions received from the LSA Repository. The LSA1 protocol thus provides a reliable and flexible means to ensure that the information is synchronized between controller and repository, including confirmation of compliance by the LSA Controller after any change of restrictions.

In addition, ETSI TC RRS has started new work to address the different technical possibilities for local high-quality wireless networks to access spectrum temporarily on a shared basis. A Technical Report will be finalized during this year.


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