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Case Study #2

Project: The City of Philadelphia Network Upgrade

Background: This project was designed as a WiFi access device replacement, installing additional new devices where needed and localized by floor network upgrade to support the new WiFi network.

Multiple city of Philadelphia agencies were experiencing poor WiFi performance when hosting. Over 80 % of these work floors are heavily populated office spaces that average over 100 employees. The city requested the deployment of WiFi access point devices in 5 metropolitan office buildings that are managed by the City of Philadelphia. It was determined that there were multiple dead-zones where no WiFi signal could be detected, this also directly impacted bluetooth use and many audio visual applications that were not usable. This project was to address departmental WiFi service complaints focusing on a large network functioning at 40% of its capacity.

Provided Solutions: To implement the project using standardized infrastructure procedures.

• Construction – Cabling and equipment objectives:
  • Installed over 95K ft of Cat-6 data cabling.
  • Installed multiple network equipment panels in every IDF total project 61 floors.
  • Installed multiple 48 port POE managed switches.
  • Installed high-capacity indoor Wi-Fi 6 access point devices .
  • Provided customers with a labeling scheme for all devices, indicated on deployment edited floor plans.
  • Provided daily progress reports, that included photos of each installed device with identity labeling.

• Testing:
  • Fluke Network Testing and verification on operational data network
  • Provide the customer with post installation digital reports which included:
  • Physical Installation and Location
  • Methodology used for testing data

Results:

• Improved Coverage – The indoor coverage will be all relevant indoor occupied areas, lobbies, retail space, offices, and common space where a minimum of 95% of the indoor space provides reception at the specified level.
• Excellent Reception – Signal strength will be considered for both the 2.4GHz and 5GHz frequencies
• Primary Signal Strength measured for a minimum of -65dBm
• Secondary Signal Strength measured for a minimum of -75dBm
• Additional Capacity – The capacity will be considered by the number of expected devices and their use. It is considered that the end-users will use laptops for business tasks such as file sharing, video conferencing and email collaboration. Additional capacity considerations were for smartphones and tablet use.

Case Study #3

Project: The Philadelphia Enterprise Center – Installation of WiFi, Access Control System, Security Cameras.

Background: To design and implement a WIFI 6 (AX) Network to extend robust data coverage throughout The Enterprise Center facility at 4548 Market St, Philadelphia, PA 19139. This facility utilizes older construction materials as it was built in 1952. It is the original location of the TV show American Bandstand and was one of the first designed specifically for television broadcasting in America. It was updated in 1989 and is a historic landmark. The coverage area is approximately 30,000 square feet:

• Upper Floor: coverage for approximately 8000 square feet and capacity for up to 30 end-users
• Street Level Floor: coverage for approximately 15,000 square feet and capacity for up to 300 users during events
• Basement Floor: coverage for approximately 7500 square feet and initial capacity for up to 3 end-users

The largest room which is used to host corporate sponsors and government officials is 3,100 sq ft with a maximum capacity of 280. The second largest room is 660 sq ft with a maximum capacity of 50 people. Using professional Ekahau software and RF signal analysis tools, we worked with the client to develop a pre-construction, predictive design. This allowed us to recommend both the right hardware and mounting locations for the client’s desired capacity goals before any structured cabling began. Additional services were provided to coordinate an upgrade of the carrier ISP for higher bandwidth service.

Provided Solutions: To implement the project using standardized infrastructure procedures.

• Construction – NDT provided the clients with a comprehensive range of construction services, including site surveys, design, installation, testing, and documentation. This includes the installation of data cabling, fiber optics, switches, routers, servers, and other networking equipment.
• Testing – By verifying data cables, NDT can identify any potential issues that may impact network performance.
• System Integration – Infrastructure system integration is the process of combining different components and subsystems of a network infrastructure to create a cohesive and integrated system. This typically involves the integration of hardware, software, and network services to support the requirements of the organization.

Results:

• Improved Coverage – The indoor coverage will be all relevant indoor occupied areas, lobbies, retail space, offices, and common space where a minimum of 95% of the indoor space provides reception at the specified level.
• Excellent Reception – Signal strength will be considered for both the 2.4GHz and 5GHz frequencies
• Primary Signal Strength measured for a minimum of -65dBm
• Secondary Signal Strength measured for a minimum of -75dBm
• Additional Capacity – The capacity will be considered by the number of expected devices and their use. It is considered that the end-users will use laptops for business tasks such as file sharing, video conferencing and email collaboration.  Additional capacity considerations were for smartphones and tablet use.

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