Does Your 4G Device Communicate or Compute?

Advanced Antenna Technology for Ubiquitous Communication in Mobile Computing Devices Presented by: Paul Tornatta Chief Technical Officer SkyCross, Inc.

Company Overview USB dongle Wireless Audio PC Card Personal Media/Game Players Laptop Ultra-mobile PC Our multi-band/mode antennas enable increased functionality – voice, data, video, location, audio – in any wireless device without compromising style. Femtocell Handsets Access point Smartphone Router Networking Computing Personal Navigation Device Home Entertainment Mobile Phones Personal/Home Entertainment Founded in 2000, SkyCross is a global designer and manufacturer of one-stop antenna solutions for a variety of wireless devices Ask us about other devices – our technology is versatile!

The Antenna Challenge for Mobile Devices Antenna design implementation must obey the laws of physics – Volume / efficiency / bandwidth trade – Isolation / mutual coupling in multiple antenna implementation – Correlation coefficient Expansion of service for mobile devices (multi-band antenna problem) – Multi-band, multi-mode functionality Reduction of physical space for antennas – Slim industrial designs – Diversity and MIMO application (multiple-antenna problem) Head and hand effect detuning

Expansion of Services for Mobile Devices Voice/Data – a/b/g/n (diversity/MIMO) – WiMAX (MIMO) – Bluetooth – 800, 1900, 2100 MHz with diversity Rx – GSM 900, 1800 MHz – AWS 7-7 (700 MHz) band with 4G (MIMO) – AWS band with 4G (MIMO) Video / Audio – Video (VHF, UHF) (diversity) – FM Radio Location – GPS Other – Near Field Communications (RFID)

Emerging Requirements for embedded antennas – “a real mess” Non-voice services are driving multi-band diversity solutions for 3G In particular WIMAX and LTE specify multiple antennas (MIMO) Mobile video is wide band and low frequency making it difficult to implement with embedded antennas WiFi n / WiMax (MIMO) 2400 MHz 700/850/1900/2100 MHz Diversity (MIMO LTE) DVB-H (Diversity) MHz Diversity / MIMO Antennas Single Feed Antenna Structures Hexa-Band Cellular 700/850/900/ 1800/1900/2100 MHz WiFi n / BT/ WiMax MHz DVB-H MHz GPS 1575 MHz Diversity / MIMO “antenna pairs” spread out on the phone for improved isolation This antenna configuration is expensive and inefficient (poor performance) Could be any mobile video standard

Technology Application: “an elegant solution” Isolated Mode Antenna Technology (iMAT) allows diversity and MIMO antennas to be combined into single dual-feed antenna structures – reduced size, lower cost, improved performance Switch tuning technology allows antennas to be made smaller – reduced size by 50%, improved performance by 2-3 dB Hexa-Band Cellular 700/850/900/ 1800/1900/2100 MHz DVB-H MHz WiFi n / WiMax (MIMO) 2400 MHz 700/850/1900/2100 MHz Diversity (MIMO LTE) +GPS 1575 MHz DVB-H (Diversity) MHz WiFi n / BT/ WiMax MHz Dual-Feed iMAT Dual-Feed Antenna Structures iMAT Dual-Feed This level of integration and size reduction is not possible without SkyCross Technology Could be any mobile video standard

Antenna Concept – Mobile Internet Device (MID) Platform Display 4.8 mm 150 mm 120 mm Display 8 mm Six antennas in brow space 1&2: WWAN antennas + GPS (850/900/1800/1900/ MHz) 3&4: WiFi-WiMAX antennas ( , , GHz GHz) 5&6: uwb antennas ( GHz) All are planar antennas, can be made by FPC or sheet metal

Conclusions Consumers demand flexibility and performance from their devices without regard to protocol, frequency, or service provider This requires devices to work seamlessly between a variety of carriers and protocols Advanced antenna design techniques exist can be applied to enable solutions without sacrificing sleek industrial designs

Thank You! Design Freedom to create any device with uncompromised performance and style!