Table of Symbols

symbol	meaning	context
h(t,x)	time domain channel response at receiver location x	PHY model
H(f,x)	frequency domain channel response at receiver location x	PHY model
t	time	PHY model
f	frequency	PHY model
BD	Doppler spread	PHY model
fc	center frequency	PHY model
v	velocity	PHY model
Tc	coherence time	PHY model
Tb'	OFDM symbol duration	PHY model
Tg	OFDM guard time (or: guard interval)	PHY model
Tb	OFDM block time (or: block interval)	PHY model
αg	power loss	PHY model
Eav	energy per symbol	PHY model
ΣI	cumulated interference from multiple interferers	PHY model
N	background noise	PHY model
N0	noise at receiver from interference and background noise	PHY model
T	1/(sampling rate)	PHY model
Ntotal	total number of OFDM sub-carriers	PHY model
Df	OFDM sub-carrier spacing	PHY model
B	emission bandwidth	PHY model
C	power of a received signal	PHY model
d	distance between radio stations	PHY model
PTx	transmission power	PHY model
gTx	antenna gain at transmitter	PHY model
gRx	antenna gain at receiver	PHY model
γ	attenuation parameter	PHY model
G1/G2	the generator polynomials of the mother code	PHY model
N	number of backoff entities (stations)	Bianchi model
m	maximum number of backoff stages	Bianchi model
i	number of backoff stages	Bianchi model
Thrpsat	normalized saturation throughput	Bianchi model
Tsuccess	time of on successful frame exchange	Bianchi model

240	Table of Symbols

symbol	meaning	context
Psuccess	probability that frame exchange is successfully completed	Bianchi model
PCCAbusy	probability of ongoing transmission in saturation	Bianchi model
PCCAidle	probability that the channel is idle in saturation	Bianchi model
TCCAbusy	duration of transmission, frame exchange or colliding	Bianchi model
	frames
TCCAidle	random variable, duration of idle periods in saturation	Bianchi model
Tcoll	duration of collision, depends on frame body size	Bianchi model
Pcoll	probability, that a transmission attempts fails	Bianchi model
p	probability of collision at a particular slot	Bianchi model
τ	probability that a backoff entity transmits at a slot	Bianchi model
s(t )	stochastic process for the backoff stage	Bianchi model
b(t )	stochastic process for the contention window size	Bianchi model
bi ,k	stationary distribution of Markov chain	Bianchi model
Wi	contention window size in backoff stage i	Bianchi model
ξslot	slot access probability of the backoff entities	Bianchi model
n	stage of a game	game model
N	number of players that participate in the game	game model
Ν	the set of N players	game model
N MSG	number of stages in a multi stage game	game model
i	identifier of a player	game model
−i	identifier of all players but not player i	game model
A i	infinite set of actions of player i	game model
Α	Euclidean space of actions	game model
Θ	share of capacity, related to the throughput	game model
∆	resource allocation interval, related to the delay	game model
Ξ	variation of resource allocation interval	game model
a	action	game model
U	utility	game model
V	payoff	game model
u,v	shaping parameters of utility functions	game model
d	duration of a resource allocation, in ms	game model
D	time between two consecutive resource allocations, in ms	game model
L	number of resource allocations of one player per stage	game model
VMSGi	multi stage game payoff for player i	game model
δi	discounting factor for player i	game model
s	discrete sequence of resource allocation attempts	predictor
ϕ	autocorrelation function	predictor

Table of Symbols

241

symbol	meaning	context
W	window size of calculation of autocorrelation function	predictor
K	ratio of SFDUR to aTimeUnit	predictor
aTimeUnit	defines precision of autocorrelation function	predictor