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OneBase™ Base Station Systems

The OneBase family of Base Station Systems offers network operators a range of techniques and deployment technologies to meet build-out requirements and deliver coverage, capacity, and high quality service to end-users.

Since one solution cannot fit all requirements of all operators, Andrew provides a toolbox of flexible solutions that enhance network planning.

OneBase Pico Node B
OneBase Pico Node B is a fully self-contained WCDMA Node B radio base station that supports 1700, 1900, or 2100 MHz bands. This single carrier picocell wireless base station provides 250 mW power output, features a capacity of up to 80 users, and at 6 kg (13 lb) in weight is easily deployed by a single technician.

The Pico Node B can be deployed in a number of capacity configurations, depending on operator needs. It offers network flexibility because it is fully enabled to support HSDPA high data rate services. It can be reconfigured to interconnect with either E1/T1/J1, STM-1, or Ethernet transmission bearers.

The one-carrier OneBase Pico Node B is the first in a family of small WCDMA base stations being developed by Andrew. The OneBase Micro is a complete microcell wireless base station with one- or two-carrier operation and HSPDA capability.

Units complement any OEM’s existing product range and look, so the OneBase Pico BTS can be offered as part of a product portfolio without committing internal development resources. Time to market is reduced, and both risk and cost are reduced.

Key benefits:

Low cost and ease of deployment
Full O&M support
Solves key network challenges
Provides high capacity spot coverage
Limits the impact of hot spots on macro network planning assumptions
Prevents “pilot signal pollution” problems in high rise buildings
Can prevent large numbers of users in soft handover status requiring high processing capacity
Offers flexible deployment scenarios to meet in-building needs
OneBase Macroshelf
The OneBase Macroshelf is a complete, open standard radio frequency solution that fits within the base station and integrates transceiver, power amplification, filtering, combining, and associated RF shelf hardware.

Based on CPRI™ and OBSAI open standards, the Macroshelf solution enables OEMs to cost effectively source the complete RF path from within the base station from one, trusted, single provider. Andrew’s design experience and greater economies of scale drive costs out of base station architectures and deliver OEMs the industry’s lowest cost solution for the entire RF shelf.

White Paper: The Andrew OneBase Macroshelf: The Complete RF Path Solution for a BTS (.pdf 461kb)

OneBase MCPA Cell Extender
Multicarrier power amplifier (MCPA) Cell Extender extends coverage or increases capacity of wireless base stations by using a technology-agnostic design capable of simultaneously supporting any current wireless standard.

The MCPA Cell Extender is based on 135 W power amplifier modules that can provide signal amplification for mixed mode applications, such as CDMA, GSM/EDGE, and WCDMA. The unit can operate at 800, 1800 (coming soon), and 1900 MHz, has a dual band-capable sub-rack, and provides RF band filtering on the front end. Versions are offered for North American and European deployments.

The MCPA Cell Extender’s design takes into full consideration the operator’s needs, and it’s scalable, flexible platform consists of “standard” field replaceable units that are easily reconfigured for application-specific requirements. It comes in both indoor and outdoor versions.

Key benefits

Economy by consolidating antenna feed lines
Extension of cell capacity by supporting more channels without compromising coverage
Seamless migration to future network evolution
Extension of cell coverage
Efficient spectrum usage
Interleaving of hopping and fixing channels
White Paper: Can Multicarrier PAs Resurrect Old Cell Site Assets? Telephony Online

OneBase Compact TMA
Tower mounted amplifiers (TMAs) provide low noise amplification in the receive path (uplink) of the RF communications channel. TMAs have been deployed in networks for a number of years and provide better receive performance by balancing the RF power link budget. This improves coverage at cell margins and provides better communications quality for network users.

The OneBase Compact TMA combines small size and light weight with exceptional performance to address the challenges of site availability and network enhancements.

Key benefits

Smallest, lightest TMA in the market at 1.5 liter volume
Low profile for simple visual integration on tower to meet restrictive zoning regulations
Less weight and wind load on the tower - important when adding new services to existing towers
Fully supports Antenna Standards Interface Group (AISG) standards for interoperability of antennas and control infrastructure
Antenna line independent and backwards compatible with non-AISG UMTS sites
Can be deployed with any electrical tilt antenna that complies with open industry standards
OneBase Remote Radio Head
A Remote Radio Head permits network operators to deploy the active RF electronics remotely from a radio base station. These units are part of a distributed base station system where all radio-related functions are housed in a unit mounted outside the traditional base station transceiver system and linked to a main unit that contains the control and baseband signal processing.

Remote radio heads enable lower capital and operating expenses, reduce typical power requirements, and add flexibility to network configurations.

Andrew’s convection-cooled high power – 22.5 W – OneBase digital Remote Radio Head complies to open standard digital interface requirements and uses a fully digital architecture, including digital predistortion and dual-diversity reception, a merchant-market industry first.

Key benefits

Permits flexible network deployment of both standard base stations and remote radio heads
Allows BTS pooling/hoteling so many base stations can be deployed in low cost accommodation to provide high baseband capacity with RF electronics distributed remotely
Allows build-out of network coverage and capacity in line with growth in demand
Extends potential deployment to sites where conventional base stations cannot be deployed
Flexible NW planning
Improves RF performance with tower top mounting and replaces other active electronics, such as tower top amplifiers or boosters
Delivers potential OpEx savings to the operator


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