Title
3G IP Multimedia Subsystem: Design, Analysis, Models,Used
Delivery time: 8-12 business days (International)
The IP Multimedia Subsystem (IMS) is the technology that merges the Internet with the cellular world. The existing session establishment scenario of IMS suffers from triangular routing for a certain period of time when an end user is mobile. The other problem areas in optimizing presence service, dimensioning a pushtotalk over cellular service and analyzing service rates of instant messaging relay extensions in IMS are identified. In order to mitigate the drawbacks of these crucial aspects, this book contributes with a robust scheduler to improve performance of the presence service, several derived models to dimension pushtotalk over cellular service, a new mechanism to reduce cost for the session set ups in mobile environment and the evaluation of message blocking and stability in instant messaging service by applying queuing theories. The analysis of performance enhancements and the derived models of this book should help shed some light on the emerging environment of IMS infrastructure. They should also be very useful to professionals who may be considering pursuing research in the field of wireless communications and mobility management using stochastic process.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.