Unlicensed Mobile Access

1
Unlicensed Mobile Access

• Presented by
• Alexei, Ashley, Ryan, Tommy

2
U.M.A

• Developed by UMA Consortium
• Participants include Cingular, Motorola,
• Nokia, and T-Mobile
• Definition allows the transfer and switching of
  cell phone receptions to unlicensed wireless
  networks, local area networks, and a public
  switched network to enable the most optimum
  reception available

3
UMA Process

• A subscriber makes a call with a UMA enabled
  phone
• Once the call is in place, the signal is sent and
  must be approved by the unlicensed access
  network
• Upon approval, the users mobile phone is shifted
  seemlessly to the best available networks at any
  given time.
• Prevents any existence of roaming.

4
Advantages of UMA

• Co-exists with systems such as, Wi-Fi and
  Bluetooth
• Doesnt require modems, routers, and access
  points
• Eliminates poor reception in buildings

5
Conclusion

• Questions and Comments
• Thank you for time and patience!