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1. What is MMAC?
MMAC are portable Wireless Access Systems which can transmit ultra high speed, high quality Multimedia Information "anytime and anywhere" with seamless connections to optical fiber networks.

2. System outline of MMAC
Wireless Access System which can transmit at up to 2-3 Gbps using the SHF band (3-30GHz), the millimeter wave radio band (30-300 GHz) and other band. It can be used for mobile video telephone conversations and high quality TV conferences.

3. Target specification of MMAC
@ Wireless Access System
Service area Public space, Private space
(outdoor, indoor)
Connected networks, Interface Public network, Private network
(Ethernet, ATM, IEEE1394 etc.)
Information rate Up to 2-3 Gbps
Terminal equipment PCs and Audio Visual Equipments etc.
Mobility Still or pedestrian
(with hand-over)
Radio frequency bands Micro-wave band and millimeter-wave band etc.
Bandwidth Up to 1000MHz
Bit error rate Equivalent to wire line networks
(around 10|6 to 10|8)

4. MMAC image
Position of the MMAC
Position of the MMAC

MMAC Concept
MMAC Concept


Multimedia Mobile Access Communication Systems