Wireless E1/T1 ServiceIn today's competitive world, to grow your business, it is increasingly crucial that a Communication Service Provider (CSP) can move, add and manage subscribers quickly and efficiently. A fast, affordable, secure, and reliable network is paramount to success. Simply put, wireless is the lowest cost and most easily implemented solution today for the increasing traffic demands for a CSP’s network.
The ability of the smartBridges Radio to transport both Ethernet/IP and TDM traffic over a wireless link makes it ideal solution for a variety of applications, including wireless backhauling of cellular base stations, connectivity of LANs and PBXs at dispersed campus locations and the Wireless Local Loop (WLL). License-free fixed wireless is also commonly used for backup links. The combination of Ethernet and E1/T1 interfaces on the smartBridges broadband Wireless link makes it more cost effective compared to leased lines.
Typical Application Diagram
1. Connectivity between BSC and BTS
To provide connectivity between the BTS and BSC, a backhaul link with a pair of E1/T1-to-Ethernet Converters can be used. The backhaul link replaces the leased E1/T1 line.
Point-to-point connectivity between the BSC and BTS
smartBridges airPoint series can perform ideally in this scenario. Using the latest COFDM technology, the airPoint platform focuses on providing high throughput over long distances for Near Line of Sight Point-to-Point applications.
2. Co-existence of E1 and IP connectivity
Currently most of the cellular network operators are deploying their 3G BTS along with their existing 2G base stations deployed earlier. This creates problem for them as connectivity requirement for two is different as typically 2G BTS need E1 connectivity while 3G are more IP based. To overcome this scenario smartBridges solution has been designed to support E1 as well TCP traffic in same link as shown in below diagram.
3. Co-existence of Wireless Link with Wired Lines
Finally, a wireless link can co-exist in a point-to-point or point-to-multipoint mode with an existing wired line for the following reasons:
- Hot stand-by backup of a Leased line/Fiber optics link
- Load balancing of traffic between a wireless backhaul link and wired line connectivity
Advantages of a Wireless Solution
Wireless broadband technology has been in the limelight and its momentum continues to build. Advance technologies like software radio, smart antennas, improved modulation schemes, COFDM based carrier grade radios are key reasons that broadband wireless access (BWA) infrastructure has taken off in recent years.
CSPs can realize many benefits from adopting a wireless component into their networks. Some of the advantages are listed below:
- Immediate deployment with subsequent immediate revenue realization
- First mover advantage
- Ease of deployment in challenging terrains
- Disaster management
- Ease of redeployment, Reliability and Scalable
- Significant Capital Expenditure (CAPEX) and Operating Expenditure (OPEX) savings per year
A wireless component usually comes in where there is no wired line feasibility due to physical or other reasons. However, even when this is not the case, replacing a wired line with wireless eliminates an annually recurring cost. Wireless can also complement an existing leased line as a backup link or as a quick upgrade of the link to provide more bandwidth.
