AmbiTalk: Enhancing Wireless Communication Services through the Automatic Adaptation of Mobile Communication

Experimenting with Mobile Context-Aware SIP-based Multimedia Communications

“…We also provide various schemes, models and mechanisms to guide the process of behavior discovery, reasoning, and adaptation [1 ]. AMEBITALK To evaluate the AmbiTalk system, providing mobile SIPbased context-aware communication, we design a specific scenario called the meeting room scenario.…”

“…In terms of the meeting room scenario, policy discovery implies the acquisition of the meeting room's active communication level, which can be achieved using a Bluetooth technique [1]. When the mobile user (m_user) enters the meeting room, his device's AT-UA receives an AT-LA Bluetooth ID, allowing the device to decipher a new location or a change in policies.…”

“…Ubiquitous interaction A device must adhere to a location's policy proposal. This requirement allows a location to enforce its policies, and implies that a policy conflict [1] only occurs between a location and a device when a device is unable to adhere to the required active primitive context of the location. For example, suppose that the meeting room entered by m_user requires an active-communication-level of semi-aggressive and m_user's device does not contain the proper communicationpermutation mapping to that active-communication-level, then a conflict arises.…”

“…For example, suppose that the meeting room entered by m_user requires an active-communication-level of semi-aggressive and m_user's device does not contain the proper communicationpermutation mapping to that active-communication-level, then a conflict arises. In order to resolve such a conflict a policy context [1] is defined. * [policy context 1] If a mobile-device md does not enable a communication-session cs within its location, then md must attempt to adhere to a more discrete activecommunication-level ( Figure 5).…”

“…camera) while in a public washroom, changing room, etc. In our previous work [1] we developed a SIP-based system called AmbiTalk, which incorporates context-awareness into the device-mediated communication experience, such that it is capable of continuously adapting the behavior of a mobile device to respect the contextual environment of its user. The novel idea was to provide locations and users with the ability to enforce location-based policies regarding situations, environments, and contexts, such that devices and locations are able to ubiquitously communicate and negotiate the attributes of communication anytime, anywhere, and with any device.…”