If you have the email address configured in multiple devices, our recommendation is to use the IMAP protocol. If you don’t see your email provider, tap Generic IMAP or Generic POP3 to add your account manually. Simpson, IP mobility support, Submission to Internet Engineering Task Force (1994).Please note this tutorial is specific to setup your email in the Airmail app for your iPhone, iPad, or iPod touch devices running on the latest version of IOS.ġ) Open AirMail and go to Settings > Add Account.Ģ) If you see your email provider, tap it to add your account automatically. Sabnani, Design and implementation of a high speed transport protocol, IEEE Trans. Doshi, A retransmission scheme for circuit-mode data on wireless links, accepted for publication in IEEE J. Tobagi, Issues in packet radio design, Proc. Costello, Error Control Coding: Fundamentals and Applications (Prentice-Hall, Englewood-Cliffs, NJ, 1983).ī.M. Proc., Cambridge, Massachusetts, August 1993, pp. Ferrari, Providing connection-oriented network services to mobile hosts, USENIX Mobile and Location-Independent Symp. Kunzelman, Advances in packet radio technology, Proc. Karn, The Qualcomm CDMA digital cellular system, USENIX Mobile and Location-Independent Symp. Jakes (ed.), Microwave Mobile Communications (Wiley, 1974 Reissued by IEEE Press, 1994). IEEE GLOBECOM '93, Houston, November 1993, pp. Yue, Throughput performance of transport layer protocols over wireless LANs, Proc. Zhang, NETBLT: A bulk data transfer protocol, Proc. Iftode, The effects of mobility on reliable transport protocols, Proc. COM-41 (1993) 1677–1686.Ĭellular Digital Packet Data System Specification Release 1.0, Book III (CDPD Industry Input Coordinator, Costa Mesa, CA, July 1993). Mazo, Diversity coding for self-healing and fault-tolerant communication Networks, IEEE Trans. Experimental performance results based on the implementation are presented.Į. Integrity of the link during handoffs (in the face of mobility) is handled by window management and state transfer. The coding overhead is changed adaptively so that bandwidth expansion due to forward error correction is minimized. The motivation for using a combination of forward error correction and link-layer retransmissions is to obtain better performance in terms of end-to-end throughput and latency by correcting errors in an unreliable wireless channel in addition to end-to-end correction rather than by correcting errors only by end-to-end retransmissions. The forward error correction technique incorporates three levels of channel coding which interact adaptively. The asymmetry in the protocol design results in a one-third reduction of compiled code. The key ideas in the asymmetric protocol design consist of placing bulk of the intelligence in the base station as opposed to placing it symmetrically, in requiring the mobile terminal to combine several acknowledgments into a single acknowledgment to conserve power, and in designing the base stations to send periodic status messages, while making the acknowledgment from the mobile terminal eventdriven. The asymmetry is needed in the design because the mobile terminals have limited power and smaller processing capability than the base stations.
The protocol is named AIRMAIL (AsymmetrIc Reliable Mobile Access In Link-layer). The protocol is asymmetric to reduce the processing load at the mobile, reliability is established by a combination of automatic repeat request and forward error correction, and link-layer packets are transferred appropriately during handoffs. This paper describes the design and performance of a link-layer protocol for indoor and outdoor wireless networks.
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