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7.1 Site selection design for B5-18 base station of Qiankun Famous City, Xiaogan Xiaonan Qiankun Avenue

☆ Construction unit: Xiaogan Telecom

☆ Investment amount: 11,565,900 Yuan

☆ Difficulties in project design:

1. The construction site is located in the old city area, where there are many houses and few available sites;

2. Need to save investment as much as possible and make full use of the original stock resources;

3. The design scheme should meet the station spacing requirements of the current site.

☆ Project site selection scheme demonstration process:

After fully understanding the customer's demand for the design scheme and the design difficulties, first of all, the original planning site (30.922025, 113.936524) was surveyed and tested, and contacted the tower company to check and screen the nearby resources, and the preliminary design of the scheme was carried out.

According to the test conditions, the main weak coverage points were marked on the map tool and listed as the main coverage targets. Base station construction was planned at the planned location. According to the initial communication with the tower, the tower company gave a preliminary plan :(Xingguo Experimental School) to build a floor station or to build a new single-tube tower to cover it.

It was confirmed on site during the joint survey that the teaching building of Xingguo Experimental School has five floors, each of which is about 3 meters. If a floor station is constructed, the final height of the building will be about 20 meters. However, the surrounding buildings are mainly residential buildings with 7 floors, which can reach 21 meters. The hanging height of the floor station scheme is low, which is not enough to solve the coverage of high-rise residents. After communication with the tower, it is suggested to build a new single tube tower for installation. After unsuccessful coordination for many times, the tower company feedback that the plan of building a new single-tube tower could not be implemented, the plan needs to be re-approved, and then proposed to build it at the top floor (stock station) behind Qiankun Shopping Plaza. However, it is close to the current site (about 250 meters), so it needs to be re-evaluated.

In the second joint survey with the iron tower, the stock sites of the iron tower (30.920791, 113.937462) were verified on site, and the stock sites had the following advantages:

1. The coverage targets are all within the effective coverage distance of the site (within 300 meters), and there is no problem to solve the surrounding coverage.

2. The location is on the roof of the 4th floor of the shopping plaza. The measured top surface is about 23 meters above the ground, and the final hanging height can reach about 25 meters, which meets the requirements of hanging height.

3. The location is about 250 meters away from the current site. However, according to the actual survey, the current site (Qiankun Sunshine) is a floor station located in a 3-storey building with a hanging height of less than 20 meters.

The final plan will be set at this location for construction.

☆ Effect of design scheme: The scheme of this site has been unanimously praised and recognized by the branch company in the joint examination, and the construction and acceptance work has been successfully completed in the later period, and the user perception has been significantly improved.

 

7.2 New FTTH broadband access network construction project of Enshi Prefecture Branch of China Unicom in Hubei Province in 2018

☆ Construction unit: Hubei Unicom Enshi Branch

☆ Investment amount: 18.1257 million yuan

☆ Difficulties in project design:

1. The project is distributed in the whole prefecture, with a large survey scope, and the pipeline resources in the countryside and administrative villages of counties and cities are scarce;

2. To save investment, it is necessary to make full use of existing resources to achieve coverage effect and meet access needs of target users;

3. The design scheme of B to H district should meet the smooth transfer of FTTB users and meet the needs of different types of customers.

☆ Project design scheme:

For FTTH new residential area, according to the user situation, OLT resources and the conditions of the area to be covered, the construction mode of secondary splitting is adopted. The main optical cable makes full use of the existing local optical cable resources, fully benefits the old, and reasonably sets secondary fiber dividing points according to the distribution of target users. OLT station setting comprehensively considers the user distribution, local housing conditions and optical cable resources, and access is carried out in the nearest MAN room. For a large village with a large user scale (covering more than 1000 users), the OLT device is sunk to the nearest base station room.

For FTTB reform village, to the greatest extent to meet the user moving design requirements for the smooth, this project innovation made the cut over a cut over network plan, the FTTB trunk cable back to the original mop to put back into the two core optical divider FTTH box, use the first core (i.e., the original FTTB use fiber core) jump fiber to the original FTTB opened in the existing FTTB business, using the second core (i.e., the original standby fiber core) opened 1: 8 The FTTH service of the secondary splitter can meet the coexisting problem of FTTB users and FTTH users during the user migration and transfer. When the user migration of a building is completed, the FTTB equipment and box can be directly dismantled to avoid the second cutopper.

Design effect: being the project came in the design obtains the consistent high praise, the design scheme of FTTH, B to H cut over scheme to get the recognition of each unit and get promotion, the entire project design in the construction of port nearly 60000 lines, 170000 households, covered throughout the enshi has eight counties and cities, effectively enhance the level of the enshi unicom broadband network coverage.


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5G New Infrastructure

7.1 Site selection design for B5-18 base station of Qiankun Famous City, Xiaogan Xiaonan Qiankun Avenue

☆ Construction unit: Xiaogan Telecom

☆ Investment amount: 11,565,900 Yuan

☆ Difficulties in project design:

1. The construction site is located in the old city area, where there are many houses and few available sites;

2. Need to save investment as much as possible and make full use of the original stock resources;

3. The design scheme should meet the station spacing requirements of the current site.

☆ Project site selection scheme demonstration process:

After fully understanding the customer's demand for the design scheme and the design difficulties, first of all, the original planning site (30.922025, 113.936524) was surveyed and tested, and contacted the tower company to check and screen the nearby resources, and the preliminary design of the scheme was carried out.

According to the test conditions, the main weak coverage points were marked on the map tool and listed as the main coverage targets. Base station construction was planned at the planned location. According to the initial communication with the tower, the tower company gave a preliminary plan :(Xingguo Experimental School) to build a floor station or to build a new single-tube tower to cover it.

It was confirmed on site during the joint survey that the teaching building of Xingguo Experimental School has five floors, each of which is about 3 meters. If a floor station is constructed, the final height of the building will be about 20 meters. However, the surrounding buildings are mainly residential buildings with 7 floors, which can reach 21 meters. The hanging height of the floor station scheme is low, which is not enough to solve the coverage of high-rise residents. After communication with the tower, it is suggested to build a new single tube tower for installation. After unsuccessful coordination for many times, the tower company feedback that the plan of building a new single-tube tower could not be implemented, the plan needs to be re-approved, and then proposed to build it at the top floor (stock station) behind Qiankun Shopping Plaza. However, it is close to the current site (about 250 meters), so it needs to be re-evaluated.

In the second joint survey with the iron tower, the stock sites of the iron tower (30.920791, 113.937462) were verified on site, and the stock sites had the following advantages:

1. The coverage targets are all within the effective coverage distance of the site (within 300 meters), and there is no problem to solve the surrounding coverage.

2. The location is on the roof of the 4th floor of the shopping plaza. The measured top surface is about 23 meters above the ground, and the final hanging height can reach about 25 meters, which meets the requirements of hanging height.

3. The location is about 250 meters away from the current site. However, according to the actual survey, the current site (Qiankun Sunshine) is a floor station located in a 3-storey building with a hanging height of less than 20 meters.

The final plan will be set at this location for construction.

☆ Effect of design scheme: The scheme of this site has been unanimously praised and recognized by the branch company in the joint examination, and the construction and acceptance work has been successfully completed in the later period, and the user perception has been significantly improved.

 

7.2 New FTTH broadband access network construction project of Enshi Prefecture Branch of China Unicom in Hubei Province in 2018

☆ Construction unit: Hubei Unicom Enshi Branch

☆ Investment amount: 18.1257 million yuan

☆ Difficulties in project design:

1. The project is distributed in the whole prefecture, with a large survey scope, and the pipeline resources in the countryside and administrative villages of counties and cities are scarce;

2. To save investment, it is necessary to make full use of existing resources to achieve coverage effect and meet access needs of target users;

3. The design scheme of B to H district should meet the smooth transfer of FTTB users and meet the needs of different types of customers.

☆ Project design scheme:

For FTTH new residential area, according to the user situation, OLT resources and the conditions of the area to be covered, the construction mode of secondary splitting is adopted. The main optical cable makes full use of the existing local optical cable resources, fully benefits the old, and reasonably sets secondary fiber dividing points according to the distribution of target users. OLT station setting comprehensively considers the user distribution, local housing conditions and optical cable resources, and access is carried out in the nearest MAN room. For a large village with a large user scale (covering more than 1000 users), the OLT device is sunk to the nearest base station room.

For FTTB reform village, to the greatest extent to meet the user moving design requirements for the smooth, this project innovation made the cut over a cut over network plan, the FTTB trunk cable back to the original mop to put back into the two core optical divider FTTH box, use the first core (i.e., the original FTTB use fiber core) jump fiber to the original FTTB opened in the existing FTTB business, using the second core (i.e., the original standby fiber core) opened 1: 8 The FTTH service of the secondary splitter can meet the coexisting problem of FTTB users and FTTH users during the user migration and transfer. When the user migration of a building is completed, the FTTB equipment and box can be directly dismantled to avoid the second cutopper.

Design effect: being the project came in the design obtains the consistent high praise, the design scheme of FTTH, B to H cut over scheme to get the recognition of each unit and get promotion, the entire project design in the construction of port nearly 60000 lines, 170000 households, covered throughout the enshi has eight counties and cities, effectively enhance the level of the enshi unicom broadband network coverage.


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