A Quantum-Based Database Query Scheme for Privacy Preservation in Cloud Environment

Table 2

Numbers of transmitted qubits in different database capacities for J11, G12, R13, and our QBDQ schemes.

Database size	Transmitted messages(qubit)			Database size	Transmitted messages(qubit)
	J11/ G12	R13	QBDQ		J11/G12	R13	QBDQ
8	24	8	3	208	1664	208	8
16	64	16	4	216	1728	216	8
24	120	24	5	224	1792	224	8
32	160	32	5	232	1856	232	8
40	240	40	6	240	1920	240	8
48	288	48	6	248	1984	248	8
56	336	56	6	256	2048	256	8
64	384	64	6	264	2376	264	9
72	504	72	7	272	2448	272	9
80	560	80	7	280	2520	280	9
88	616	88	7	288	2592	288	9
96	672	96	7	296	2664	296	9
104	728	104	7	304	2736	304	9
112	784	112	7	312	2808	312	9
120	840	120	7	320	2880	320	9
128	896	128	7	328	2952	328	9
136	1088	136	8	336	3024	336	9
144	1152	144	8	344	3096	344	9
152	1216	152	8	352	3168	352	9
160	1280	160	8	360	3240	360	9
168	1344	168	8	368	3312	368	9
176	1408	176	8	376	3384	376	9
184	1472	184	8	384	3456	384	9
192	1536	192	8	392	3528	392	9
200	1600	200	8	400	3600	400	9