Even if there is some wireless coverage within the building from the outside cell towers, it often won't provide enough capacity for everyone in the building. One way to address in-building wireless coverage is by using cell phone repeaters. But repeaters don't address capacity issues; they simply take the wireless signal available outside the building and make it available indoors. Once the number of occupants in a building exceeds a certain number, additional capacity is needed to accommodate them.
Since the BTS is supplied by the wireless service provider and requires that they run their own leased fiber to the building, this solution is very expensive. A less expensive way and much quicker to add additional in-building capacity is by using small cells. Small cells are exactly what you likely think they are: small cellular base stations designed specifically to add additional capacity over small coverage areas.
They're often used outdoors to add capacity in high-density areas where a lot of people congregate, such as stadiums and amphitheaters. Small cells are also perfectly suited for use in buildings because they solve both the coverage and capacity issues, and can be deployed quickly and are inexpensively.
Small cells fall into one of three general categories that are dictated by their power level: metrocells , picocells and femtocells. General performance measures for each category are shown in the table below. Regardless of the type chosen, for a wireless connection to be established the small cell needs to be connected to the cellular provider's network. This is known as backhaul. For outdoor cell towers, this usually involves fiber optic or microwave backhaul. Since neither of those are available in buildings, small cells connect to the cellular provider's network via what carriers call "untrusted backhaul," or what you refer to as simply "the Internet.
That means that a high speed Internet connection is a requirement for any kind of picocell or femtocell deployment.
The minimum required bandwidth depends on the type and number of small cells deployed. Because today's cellular phones use digital modulation, their signals need to be generated with a high degree of timing precision. Since the beginning of digital cellular technology, the accurate, external timing source used has been GPS Global Positioning System.
The GPS signal used for the small cells is the same satellite-based signal used to determine your location and give you driving directions in Google Maps. While GPS is not perfect, it is readily available and relatively inexpensive to implement.
GPS signals are most readily available outdoors, which make using them for large cell towers very convenient. However, even when cell coverage moves indoors with small cells, they still need an accurate, external timing source.
Actual coverage range is dependent upon many factors, including building construction type. Calls that originate on the AIRAVE will automatically try to transfer, hand-off, to the Nationwide Sprint Network if a strong network signal is available to transfer to.
Hand-off is not guaranteed due to Network availability, signal strength, and interference. In the event of an outage, your wireless phone will automatically try to obtain service directly from the Nationwide Sprint network if coverage is available. The AIRAVE will operate anywhere within your location, provided that broadband internet access is available and the unit is located within close proximity of a window for GPS signal acquisition.
However, service will not be available during a power outage, ISP failure, software device updates, and may be limited, due to some public safety answering points not supporting location-based E technology. Always be prepared to report your location to the operator when placing an emergency call. Virgin Islands. Alaska is not supported. If the above recommendations have not worked, please call Sprint Airave Technical Support If you do not agree to the terms of this Agreement, do not use the Equipment.
If you use the Equipment or fail to return the Equipment to Sprint within 10 days of your receipt of the Equipment, you will be deemed to have agreed to the terms of this Agreement. Basic Definitions. Ownership of Equipment.
You agree that the Equipment is owned by Sprint. Sprint will retain ownership of the Equipment at all time during the term of this Agreement. No title to the Equipment will transfer to you at any time during or after the term of this Agreement. You must return the Equipment to Sprint as provided in this Agreement. Use of Equipment. Replacement of Equipment. You may be responsible for an Equipment Fee before Sprint will repair or replace damaged Equipment.
Sprint is not responsible for any other devices or other equipment used in connection with the Equipment for example, wireless phone or handset, data card, etc. Return of Equipment. Well, maybe I'm still smirking a bit.
I think my house just isn't in the best spot for great cell coverage. I know some people who can't even get a signal at ALL at their house. They have to walk to the top of their driveway or somewhere in their neighborhood in order to get a signal. Now that's pretty sorry coverage if you ask me, and I'd have to seriously think about switching carriers.
I've said this before I'm sure, but my youngest brother used to be on Alltel and although he loved their plans, he said that he could never get a signal at his house. He said that he had so much trouble getting a signal there and so many other places where he lives that he could probably climb on the Alltel tower and still not get a signal.
The AIRAVE provides enhanced and reliable mobile phone coverage in your house or office even if your existing wireless coverage is poor. So Sprint Treo and Centro users, you have the option of improving your coverage. Well, dang, too bad I'm not on Sprint because I'd be getting one of these.
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