TAILIEUCHUNG - Indoor wireless coverage convention center

Each year millions of people attend events held at convention centers throughout the world. While attending these events, attendees often need to be in continuous communication with their customers, coworkers, and others, and they rely on mobile phones to facilitate those communications. However, wireless service is not always available within buildings such as convention centers. This continues to make anytime, anywhere communication a challenge. | CASE STUDY CHALLENGE Each year millions of people attend events held at convention centers throughout the world. While attending these events attendees often need to be in continuous communication with their customers coworkers and others and they rely on mobile phones to facilitate those communications. However wireless service is not always available within buildings such as convention centers. This continues to make anytime anywhere communication a challenge. THE PROBLEM A large convention center in San Francisco wanted to ensure that their facility had sufficient coverage and capacity for attendees to use their mobile devices during their events. The design of the convention center made it very difficult to provide service to all areas of the venue. Some wireless service was already available in the convention center from an 800 MHz provider using both analog modulation AMPS and digital modulation CDMA . The existing network served the main area of the convention hall while panel antennas were used to strengthen the signals in the corridors. However coverage and capacity became very poor when attendance was high. A large number of users during conventions tended to flood the system causing subscribers to experience signal losses resulting in dropped calls. Amplification of the signals would only create more background noise further deteriorating the CDMA network. Sufficient coverage was impossible to achieve during events due to the high volumes of communication transmissions. Therefore the service provider was at risk of subscriber churn due to dissatisfaction with service. In addition the service provider was missing the opportunity to capture roaming charges by providing service where the competition did not. THE ADC SOLUTION ADC worked with the service provider to show how it could incorporate a coverage solution that would enhance the existing network cost effectively providing increased capacity and improved coverage. The convention center had a courtyard

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