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Axis Network Technology: Axis Network Technology launches high power WiMAX Remote Radio Heads; High efficiency mast-mounted MIMO subsystems with up to 28W downlink power deliver lower CAPEX and OPEX for 2.5GHz and 3.5GHz WiMAX networks(M2 PressWIRE Via Acquire Media NewsEdge) RDATE:21082008 Axis Network Technology (AxisNT) has announced the immediate availability of a family of MIMO Remote Radio Heads (RRH) for OEM deployment of WiMAX networks worldwide. The RRHs are available for both 2.5GHz and 3.5GHz networks, and can be customised to meet the specific interface and packaging requirements of the OEM. Designing WiMAX basestations using a distributed RRH approach with highly efficient digital-to-RF conversion and amplification considerably reduces both CAPEX and OPEX of the overall system as well as maintenance costs. The use of an RRH allows the radio to be located alongside the antennas and physically separate from the basestation (BTS), removing the losses associated with long cable runs by replacing them with an optical fibre data interface. The AxisNT RRH presents flexible multi-gigabit BTS connections, communicating via OBSAI, CPRI or custom OEM fibre interfaces. Axis RRH models are available for use in the 2.3 2.7GHz and 3.3 3.8GHz spectrum bands, and Axis radios are configurable for frequencies between 400MHz and 4GHz. Each of the models offers dual channel operation for MIMO, to comply with WiMAX and IEEE 802.16 d/e standards. They are also capable of 4-channel MIMO operation using 2-channel units driven separately from OBSAI/CPRI or daisy chained. Channel bandwidth is variable between 3.5MHz and 20MHz for TDD or FDD air interfaces. Employing high efficiency advanced power amplifier technologies, the RRH units are available in several options with downlink output power levels of up to 28W . The advanced power amplifier design features include PowerDPD Digital Pre-Distortion, digitally controlled Doherty amplifiers and flexible wideband crest factor reduction (CFR). The RRH also feature automatic calibration of transmit, receive and PA bias control loops, and are fitted with OBSAI RP3-01 or CPRI V2 digital baseband interfaces with either 1 or 2 optical connectors as required. They integrate an AxisIPR configurable IP radio processor, along with an AxisOS remote management and local craft interfaces. Support for Adaptive Antenna Systems (AAS) and AISG v2.0 antenna control is provided. Superior receiver performance of better than -98dBm can be achieved with single channel operation, and better than -100dBm using MIMO. A distributed BTS using 2-channel RRH with 28W downlink power is the equivalent of transmitting 56W downlink power from a traditional ground based BTS (assuming 3dB cable losses). Power consumption is reduced to a fraction of a traditional base station, thus reducing OPEX. "Using a distributed Remote Radio Head design triples basestation efficiency, which not only makes them around 60% cheaper to run but also makes them a greener option," commented Simon Mellor, CEO of AxisNT. "The flexibility in deployment that results from using fibre optic cables rather than RF cables reduces the basestation footprint too, meaning lower site rental costs for the operator and a further reduction in environmental impact." A standard RRH implementation involves a close cooperation between the customer and the AxisNT engineering team, to perform interoperability on the OBSAI and/or CPRI digital interface implementation. Products are available with a variety of interface connector options, with a single or dual fibre optic interface for up to 10km of FO cables, a choice of compact and lightweight packaging, and they can also be fitted with an optional customised solar shield. The RRH are optimised for low power consumption and feature a wide input voltage range to provide flexibility in site installation. A built in handle and a variety of mounting brackets allow ease of installation. Additionally AxisNT will customise its RRH for the specific requirements of OEM customers, in respect of connectors, packaging and labels. Note to Editors Summary of RRH benefits compared to traditional basestation architecture JPY Efficiency - Basestations using distributed architecture with Radio Remote Head have an efficiency 60% superior to that of ground basestations EUR Radio performance benefits - Higher downlink power implies higher modulation and increase end-customers download capacity - High receiver sensitivity allows higher uplink modulation and higher end-customers upload capacity - More power allows flexibility in antenna types and patterns for better network planning EUR Improve site cost (CAPEX) - Fibre optic cables are much easier and cheaper to install - Civil work and site construction considerably reduced - Daisy chaining reduces cost further - No air conditioning required EUR Improved site operational cost (OPEX) - Electricity bill estimated to the reduced by 60% reducing impact on environment - Smaller basestation footprint and flexibility on the site location reduce considerably rental cost EUR Flexibility of site deployment - Sites with very long fibre optic cables are common, whereas RF cables are typically limited to less than 100m - RRH can become indoor coverage distribution system - Multiple air interface can be transmitted via one RRH using multi-carrier power amplifiers About Axis Network Technology Axis Network Technology (AxisNT) was founded in the UK by a team of highly experienced telecommunication executives, with the aim of developing and marketing the next generation of re-configurable digital radio platforms. One of the Company's main strengths is that it combines expertise in RF technology with digital and baseband design experience, and this allows it to deliver fully operational end-to-end systems direct to the OEM. Axis' goal is to be the number one provider of compact digital radio platform technology and Radio Remote Heads for current and emerging wireless standards, delivering flexible, energy-efficient converged basestation systems for use with global broadband wireless standards TD-SCDMA, UMTS, WiMAX, LTE and DVB including triple-play and quad-play voice, video and data services. The Company's in-house design expertise in digital radios is combined with an established logistics chain that includes circuit manufacture via global EMS and strategic device technology partnerships. CONTACT: Helen Duncan, Publitek Limited Tel: +44 (0)1225 470 000 Fax: +44 (0)1225 470 047 e-mail: [email protected] WWW: http://www.publitek.com Michel Vieuxmaire, Sales Director, Axis Network Technology Ltd Tel: +44 (0)1296 768 207 e-mail: [email protected] WWW: http://www.axisnt.com Jenny Noad, Publitek Ltd Tel: +44 (0)1225 470 000 Fax: +44 (0)1225 470 047 WWW: http://www.publitek.com ((M2 Communications Ltd disclaims all liability for information provided within M2 PressWIRE. Data supplied by named party/parties. Further information on M2 PressWIRE can be obtained at http://www.presswire.net on the world wide web. Inquiries to [email protected])). Copyright ? 2008 M2 Communications Ltd. |