From the course: 5G Architecture, Design, Protocols, Evolution, and Deployment

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SUL and deployment scenarios

SUL and deployment scenarios

From the course: 5G Architecture, Design, Protocols, Evolution, and Deployment

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SUL and deployment scenarios

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(peaceful music) - [Instructor] So in any wireless technologies, we know there is a two-way communication. One from the base station towards the device, which is termed as downlink, and another is from the device to the base station, which is uplink. Now the base station can increase the transmit power. It has that capability, whereas the phone doesn't have that capability and hence the uplink coverage is always the bottleneck. While designing the network. From the coverage perspective, we have to make sure that we are matching the uplink coverage with the downlink coverage and that's where we have a new concept coming up in 5G. Because we are using very high frequency bands, we need to ensure that whatever we are getting in downlink can be matched with the uplink coverage. So for example, we have certain band on the lower frequency band, which is having a coverage, but in uplink it is getting restricted because of the high frequencies and hence there would be more losses. In that…

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