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Point-to-Multipoint links

Point to Multipoint connections are the most usual way how wireless ISPs connect their customers. They put access point somewhere high in the tower above the city or on some high building and then point their client antennas to this access point. The Point to Multipoint Link is ideal for Government, municipalities, operators and wireless ISPs that are deploying large hot zones and even citywide wireless networks.

It is also recommended for university campuses and corporate locations with numerous buildings spread out over a significant area.

Designed as an integrated system that is easy to install and requires no external outdoor casing, it is a cost-effective solution for wireless projects. The Point to Multipoint Link can function as a broadband backbone for hotspot locations, outdoor access points and DSL switches. Carriers will find the Point to Multipoint Link attractive because it can be used to distribute fiber optic network capacity and acts as a broadband backbone for DSL switches and routers.

In addition to potential LOS problems, when traffic loads are heavy, multiple remote sites can attempt to simultaneously transmit information to the base station. Commonly referred to as "hidden transmitter interference," this causes interference to each transmission and slows down the broadband wireless network for everyone connected.

To address this problem, Deltalink base stations operate in a polling mode, in essence acting as a traffic cop for each node on the network. In a round-robin fashion, the base station will poll each remote location. This polling mechanism acts to reserve the available spectrum for traffic from a specific remote location and prevent hidden transmitter interference. That said, where LOS exists for each remote building, a PtMP topology with a polling base station is an efficient method of sharing wireless bandwidth between multiple remote buildings.

We strongly recommend using Deltalink 3000 Series as a base in a Point to Multipoint solution. Especially DL-3524T that can support 3 Sector Antenna with 3 separate N-female Connector each connected to a single wireless card with high output power (up to 25dBm). It supports complete coverage for 802.11a+b+g (2.1-2.5; 4.9-6.1 GHz) standard.

 

 

 

 

 
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