一种提升城区网格道路5G覆盖率的新方法

doi:10.11959/j.issn.1000-0801.2022299

Abstract

Abstract:

Urban grid road is an important use scenario for mobile communication users.Compared with other static scenes, UE mobility on the road leads to relatively poor customer perception.The traditional urban grid road test optimization has some pain points, such as incomplete regulation, low optimization efficiency, repeated work orders, no focus and so on.A new method to improve 5G coverage of urban grid roads was proposed.The proposed method introduces the concept of problem circle, realizes the effective aggregation of sporadic test problem points, and uses“aggregation degree” and “repetition degree” to quantitatively identify the priority of test problems.By introducing the concepts of “ideal azimuth” and “appropriate cell”, the method of the optimal coverage cell of the problem circle was proposed, which can effectively output the optimization scheme of the problem circle.This method has been deployed in the current network and effectively supports the test and optimization of urban grid roads.The 5G coverage rate has increased from 89.95% to 98.86%.

Key words: grid road, 5G coverage rate, problem circle, appropriate cell, ideal azimuth, optimal cell

CLC Number:

TN929.5

Yejiang ZHANG, Jie CHEN, Jian HU, Xiaokang YANG, Yun LU, Teng LIANG. A new method to improve 5G coverage of urban grid roads[J]. Telecommunications Science, 2022, 38(12): 94-102.

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References 15

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夹角						距离/m
夹角	50	100	150	200	250	300	350	400	450	500	550	600
5°	1.89%	6.78%	11.94%	15.08%	17.10%	18.03%	18.53%	18.72%	18.76%	18.81%	18.81%	18.81%
10°	3.04%	11.34%	19.82%	25.63%	29.23%	30.80%	31.72%	32.23%	32.41%	32.46%	32.46%	32.46%
15°	3.78%	14.75%	25.50%	33.20%	37.57%	39.70%	40.85%	41.59%	41.77%	41.82%	41.82%	41.82%
20°	4.61%	17.93%	30.94%	39.97%	45.27%	47.72%	48.87%	49.65%	49.84%	50.02%	50.02%	50.02%
25°	5.16%	20.70%	36.38%	46.75%	52.42%	55.09%	56.48%	57.25%	57.49%	57.68%	57.68%	57.68%
30°	5.62%	22.68%	39.70%	51.13%	57.22%	60.40%	61.96%	62.89%	63.16%	63.35%	63.35%	63.35%
35°	6.22%	24.67%	42.83%	55.46%	62.15%	65.61%	67.22%	68.19%	68.56%	68.74%	68.74%	68.74%
40°	6.78%	26.56%	45.92%	59.20%	66.30%	69.85%	71.55%	72.52%	72.89%	73.08%	73.08%	73.08%
45°	7.10%	27.71%	47.99%	62.01%	69.34%	73.08%	74.87%	75.89%	76.26%	76.44%	76.49%	76.49%
50°	7.51%	28.77%	49.79%	64.36%	72.15%	75.93%	77.73%	78.75%	79.11%	79.30%	79.35%	79.35%
55°	7.75%	29.28%	21.31%	66.11%	74.04%	77.92%	79.81%	80.82%	81.19%	81.37%	81.42%	81.42%
60°	7.93%	30.20%	52.79%	67.73%	75.70%	79.71%	81.60%	82.62%	82.99%	83.22%	83.26%	83.26%
65°	8.11%	30.94%	53.80%	69.06%	77.22%	81.37%	83.40%	84.46%	84.88%	85.11%	85.15%	85.15%
70°	8.21%	31.54%	54.96%	70.40%	78.70%	82.94%	84.97%	86.03%	84.45%	86.68%	86.72%	86.72%
75°	8.34%	31.95%	55.83%	71.46%	79.81%	84.05%	86.08%	87.14%	87.60%	87.83%	87.87%	87.87%
80°	8.58%	32.50%	56.52%	72.29%	80.73%	84.97%	87.00%	88.06%	88.52%	88.75%	88.80%	88.80%

地市	问题点聚合节省费用				问题重复出现占比			网格道路5G覆盖率
地市	聚合前工单/张	聚合后工单/张	降幅	节省费用/万元	实施前	实施后	改善比例	实施前	实施后	改善比例
全省	12 134	8 725	28.09%	102.27	14.35%	6.63%	-7.72%	89.95%	98.86%	8.91%
版纳	406	288	29.06%	3.54	13.86%	6.78%	-7.08%	97.96%	99.20%	1.24%
保山	244	166	28.59%	1.74	4.26%	8.33%	4.07%	87.56%	99.45%	11.89%
楚雄	768	571	25.65%	5.91	15.71%	6.84%	-8.87%	95.89%	99.20%	3.31%
大理	822	560	31.87%	7.86	10.74%	5.44%	-5.30%	82.78%	98.92%	16.15%
德宏	91	86	5.49%	0.15	11.39%	0	-11.39%	90.05%	99.68%	9.63%
迪庆	144	102	29.17%	1.26	7.69%	0	-7.69%	87.17%	99.51%	12.34%
红河	976	752	22.95%	6.72	12.08%	1.08%	-11%	89.65%	99.30%	9.65%
昆明	3 830	2 667	30.37%	34.89	16.75%	8.19%	-8.56%	93.50%	98.77%	5.27%
丽江	342	256	25.15%	2.58	9.68%	9.43%	-0.25%	95.54%	99.06%	3.53%
临沧	539	406	24.68%	3.99	3.60%	4.90%	1.30%	74.09%	99.12%	25.02%
怒江	107	80	25.23%	0.81	12.70%	11.76%	-0.94%	70.46%	97.73%	27.27%
普洱	432	347	19.68%	2.55	10.68%	0	-10.68%	97.36%	99.28%	1.92%
曲靖	1 302	976	25.04%	9.78	24.92%	6.95%	-17.97%	89.29%	98.86%	9.58%
文山	811	491	39.46%	9.6	9.95%	11.11%	1.16%	88.35%	98.96%	10.61%
玉溪	774	571	26.23%	6.09	10.35%	7.62%	-2.72%	95.57%	97.33%	1.76%
邵通	566	406	28.27%	4.8	16.53%	9.76%	-6.77%	94.08%	97.37%	3.29%

A new method to improve 5G coverage of urban grid roads

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