1 / 8

Steps to Join a WCDMA Network

Steps to Join a WCDMA Network. Ryan. 1. Discovering available network. Cell Search, Selection. All cells transmit different scrambling codes plus common synchronization codes (primary & secondary SCH) Find slot synchronization (Primary SCH)

renate
Download Presentation

Steps to Join a WCDMA Network

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Steps to Join a WCDMA Network Ryan

  2. 1. Discovering available network • Cell Search, Selection • All cells transmit different scrambling codes plus common synchronization codes (primary & secondary SCH) • Find slot synchronization (Primary SCH) • Find frame synchronization and code group (Secondary SCH) • Find scrambling code by extensive search in code group • Acquire BCCH (System Information) http://www.umtsworld.com/technology/cell_search.htm

  3. Figure 1

  4. 2. Choosing a Network • Select a Node-B • User can select a network operator or service provider

  5. 3. Authentication • SIM cards in the GSM world hold a user's identity and is a piece of the technology that helps operators manage billing and other information about their customers. • With UMTS/WCDMA networks, the SIM card evolves to become the USIM http://searchmobilecomputing.techtarget.com/

  6. 3. Authentication (cont’d) • UMTS uses mutual authentication which means the mobile user and the serving network authenticate each other • The authentication quintet consists of • the user challenge (RAND), • expected user response (X(RES)), • the encryption key (CK), • the integrity key (IK) • and the authentication token for network authentication (AUTN). http://ntrg.cs.tcd.ie/undergrad/4ba2.05/group7/index.html

  7. 4. Association • Call setup http://www.umtsworld.com/technology/moc.htm

  8. THANK YOU

More Related