What is BS EN 61334-5-1 - The spread frequency shift keying (S-FSK) profile about?
BS EN 61334-5-1 describes the requirements of S-SFK (frequency shift keying modulation) in conjunction with the services provided by the physical layer entity and the MAC sublayer. The transmission medium is assumed to be the distribution network on both MV or LV level.
The MAC sublayer described in BS EN 61334-5-1 interfaces with the logical link control layer described in IEC 61334-4-32. The three parts – modulation, physical layer, and MAC sublayer – are matched to each other so that an optimum cost-performance relation can be achieved.
Who is BS EN 61334-5-1 - The spread frequency shift keying (S-FSK) profile for?
BS EN 61334-5-1 on the spread frequency shift keying (S-FSK) profile is useful for:
- Information technology industry 
- Electronics and telecommunication industry 
- Agencies involved in data transmission 
- Service providers
- Entities using the distribution network
- Network and transmission engineers/ technical teams 
Why should you use BS EN 61334-5-1 - The spread frequency shift keying (S-FSK) profile?
S-FSK is a modulation and demodulation technique which combines some of the advantages of a classical spread spectrum system (for example, immunity against narrowband interferers) with the advantages of a classical FSK system (low-complexity, well-investigated implementations). The profile described in BS EN 61334-5-1 is one of several profiles (described in series IEC 61334-5) which are all designed for data transmission via the distribution network.
Adherence to guidelines specified in BS EN 61334-5-1 helps ensure the guaranteed quality of the implementation of the S-FSK system.
The physical layer clause covers the services required of the DCP physical layer entity at the logical interfaces with the MAC sublayer. It also defines the transmission methods which are used to provide the information flow through the physical channel (LV power distribution network).
BS EN 61334-5-1 also provides server physical layer transition table, client physical layer transition table, MAC server state transition tables for enabling data transmission via distribution network
