ER3000 is the successor to ER2000. Improving on the conventional systems, ER3000 provides highly scalable platforms for mobile broadband communications such as WiMAX, LTE, and UMB. Hitachi offers next-generation solutions for operator competitiveness in the integrated seamless services market.
Hitachi offers IEEE 802.16e-compliant mobile WiMAX solutions. Our total solutions encompass Access Service Network base stations (BS), ASN-GW, and the Operation and Maintenance Center (OMC). The ER3000 mobile WiMAX base station uses advanced S-OFDMA technology, MIMO technology, and the TDD system. The ER3000 mobile WiMAX system enables mobile broadband data communications.
The ER3000 mobile WiMAX ASN-GW is an access gateway accommodating mobile WiMAX base stations. The processor cluster architecture shares and balances loads according to the magnitude of traffic. It requires a small operation cost when the traffic is low following the initial introductory period and can be expanded in the future to cope with high traffic. ASN-GW complies with the QoS standard. In addition, it supports IPv4/v6 and Mobile-IPv4/v6 dual-stack modes to ensure compatibility with IPv6 when IP address depletion occurs.
Hitachi began evaluation and demonstration on various core technology for the commercialization of next-generation mobile communication systems such as 3GPP-compliant LTE and 3GPP2-complianat UMB. Technologies employed in these systems are the OFDM modulation method and MIMO or SDMA antenna technologies. These technologies provide improvements on current 3G frequency utilization efficiency and latency. Furthermore, two-digit throughput improvements compared with the current methods can be expected with expanded bandwidth. These make it possible to achieve high-speed broadband connections, to expand the information-carrying capacity and reception area, and to enhance user experience.
The ER3000 Gateway (SGW,PGW/AGW) is an access gateway platform accommodating LTE and UMB base stations. Hitachi has substantial experienced knowledge, and offers products, in categories of wireless interface, call processing, gateway, and IP-NW. Our ER3000 family gateways are the results of overall system optimization activities and experiences.
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