Table 1 Summary of notations
Notation | Description |
|---|---|
\(\mathcal {M}\) | The set of mobile users |
\(\mathcal {T}\) | Index set of time slots |
hm(t) | Channel vector between user m and BS at slot t |
y(t) | Received signal of BS at slot t |
ρm | Normalized temporal channel correlation coefficient of user m |
H(t) | Channel matrix from all the users to BS at slot t |
gm(t) | User m’s ZF detection vector used by BS at slot t |
γm(t) | User m’s receiving SINR at BS of slot t |
Bm(t) | Queue length of user m’s task buffer at slot t |
am(t) | Amount of task arrivals of user m in bit at slot t |
fm(t) | CPU frequency scheduled for local execution of user m at slot t |
Lm(Fm) | CPU cycles required per one task bit (allowable CPU-cycle frequency) at user m |
po,m(t) | Transmission power of user m for computation offloading at slot t |
do,m(t) | Data transmitted by user m for computation offloading at slot t |
pl,m(t) | Power consumption of user m for local execution at slot t |
dl,m(t) | Data processed by user m via local execution at slot t |
Po,m(Pl,m) | Maximum transmission power (local execution power) of user m |
τ0 | Length of one time slot |