功率可控的多分组接收优化策略

doi:10.3969/j.issn.1000-0801.2012.12.020

Abstract

Abstract:

Multi-packet reception use analytical algorithms and scheduling program to improve the network throughput of the wireless network on the basis of not changing the existing wireless network physical layer.In this paper,the SIC algorithm is used to achieve the model of each node energy-SNR law.We use the power adjustment manner to expand the feasible nodes set of the data that can be sent.Since energy adjustment of the node is linear change,while it is a discrete event that weather the node can be sent,the difficulty and complexity of solving optimal node combination increase.In this paper,the concept of node power level is proposed.We simplify the problems through the power level classification.The simulation shows that after using the power controlled Multi-Packet Reception protocol,the network transfer rate has been greatly improved.

Key words: wireless transmission network, multi-packet reception, power control, power classification

Jianghong Han,Jie Gao,Lei Shi,Zhengyu Liu. Power-Controlled Multi-Packet Reception Optimization Strategy[J]. Telecommunications Science, 2012, 28(12): 129-134.

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References 12

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噪声	最高能级
0.00000000001	17
0.0000000001	17
0.000000001	15
0.00000001	10
0.0000001	9
0.000001	7
0.00001	5
0.0001	4
0.001	2

节点数	传统方案下的K值	采用MPR技术下的K值	功率可控下的K值
10	23.97	39.78	154.44
15	15.79	25.11	132.42
20	11.62	22.24	122.22
25	9.31	17.75	81.18
30	7.18	14.88	79.41
35	6.21	13.75	61.11
40	5.25	10.9	61.11
45	4.96	9.83	48.89
50	4.5	8.66	40.74

节点x坐标（m）	节点y坐标（m）	距离（m）	gpMax（w）	最高能级
52	-151	159.7028	1.24144E-05	8
-6	-5	7.81025	0.005190634	12
-150	-14	150.6519	1.39509E-05	8
-96	24	98.95454	3.23354E-05	9
-134	191	233.3174	5.81642E-06	7
-74	98	122.8007	2.09966E-05	8
129	110	169.5317	1.10166E-05	8
50	-177	183.9266	9.35968E-06	8
-6	168	168.1071	1.12041E-05	8
-165	41	170.0176	1.09537E-05	8

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Power-Controlled Multi-Packet Reception Optimization Strategy

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