Deployment and management of SDR cloud computing resources: problem definition and fundamental limits

EURASIP Journal on Wireless Communications and Networking

Table 1 Description of parameters

Parameter	Description
n	Number of nodes or processors
m	Number of waveform modules or tasks
t _s	Call setup delay
$t s max$	Call setup delay constraint
p _b	Blocking probability
$p b max$	Blocking probability constraint
t _RA	Resource allocator’s (RA’s) execution time model
F	Scaling factor of RA model
α	Nodes’ exponent (n^α) of RA model
β	Modules’ exponent (m^β) of RA model
θ	Cost function’s weight
ρ	Traffic load in Erlangs
ρ ^max	Maximum traffic load a single RA can manage
λ	Average session initiation requests per second
1/μ	Average session duration in seconds
Φ(n)	Number of users that can be served with n
	processors for a given waveform model