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The Encoding control notation | Tutorial | ECN spcecification for Bluetooth SDP | ECN specification for UMTS RRC protocal

ECN spcecification for Bluetooth SDP

The Bluetooth "Service Discovery Protocol" (SDP) can reasonably be described as the heart of the Bluetooth protocol suite. It enables any Bluetooth-enabled system to discover the presence in the local environment of other Bluetooth-enabled systems, either in general, of a specific type (offering a specific service), or of a specific type with a given name.The protocol uses a mixture of TLV-encoded types and fixed-length fields.

One of the key features of this protocol is its open-ended nature. It allows suppliers of Bluetooth-enabled equipment to define new types of service, and the parameters associated with that service.

Encoding of such information is always of a Type-Length-Value (TLV) form, so a receiver who does not understand some particular service type and parameters can easily skip such material and ignore that service.

 

 

Dubuisson O., Larmouth J., Thorpe P.
Application of the ASN.1 specification technique
to the Bluetooth Service Discovery Protocol

ACM Symposium on Mobile Ad Hoc Networking & Computing MobiHoc'2001, Long Beach, California, Oct. 4-5, 2001

 

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