Salonidis, T., Bhagwat, P., Tassiulas, L. Proximity Awareness and Fast Connection Establishment in Bluetooth. Proceedings of the 1st ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc), Boston, MA, 2000.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....need routing protocols closely integrated with underlying scatternet topologies. The reason stems from the physical and link level constraints of Bluetooth technology, making legacy routing protocols for mobile ad hoc networks (e.g. 10] unsuitable for scatternets. Several previous papers [6, 9, 12] have addressed the performance issues, which motivate studies of the scatternet formation problem. References [7, 11, 13, 14] propose various scatternet formation mechanisms (refer to the review in Section 2.4) However, all these works fail to provide clear and ecient routing protocols to run ....

T. Salonidis, P. Bhagwat, and L. Tassiulas. Proximity Awareness and Fast Connection Establishment in Bluetooth. ACM Int'l Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), 2000.

....discovery has already taken place. Node discovery started to attract attention as the interest in ad hoc networks increased. To our knowledge, only two node discovery protocols have been proposed in a model that is comparable with ours, both in the context of Bluetooth. Salonidis et al. [11, 12] propose and analyze a symmetric protocol for 2 node link formation (i.e. node discovery with 2 nodes) The protocol is based on random schedules where each node switches between sending and listening at random and stays in each state for a random period of time. A random schedule is needed ....

....where each node switches between sending and listening at random and stays in each state for a random period of time. A random schedule is needed because the mean connection time (the time needed for the two nodes to discover each other) is infinite if the nodes switch state deterministically [11]. This alternating states protocol has been used as the basic building block for a scatternet formation protocol [12] Law et al. 7] propose a probabilistic protocol for node discovery. In this protocol, a node decides with probability p to start discovering other nodes or, with probability 1 p, ....

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T. Salonidis, P. Bhagwar, L. Tassiulas, Proximity Awareness and Fast Connection Establishment in Bluetooth, The First ACM Annual Workshop on Mobile Ad Hoc Networking and Computing (mobiHoc 2000.

....pointed out the drawbacks of existing scheduling techniques and several modifications are suggested to enhance the polling mechanism from the master device. However, the issue of packet forwarding through the master device is not addressed, leading to the problems already mentioned in this paper. [7, 8, 9, 10, 11, 12] proposes algorithms to generate the scatternet topology with properties such as limiting the maximum roles and degrees of any node, distributing topology generation, limiting the number of piconets and the maximum number of hops between any pair of devices, and so on. However, the major ....

T. Salonidis, P. Bhagwat, and L. Tassiulas, "Proximity awareness and fast connection establishment in Bluetooth," in Proceedings of MobiHoc, 2000.

....algorithm first partitions the network into independent piconets, and then elects a super master that knows about all the nodes. However, the resulting network is not a scatternet, because the piconets are not inter connected. A separate phase of re organization is required. Salonidis et al. [20] discuss the issues of symmetric connection between a pair of Bluetooth devices. In their symmetric protocol, the devices switch states (INQUIRY and INQUIRY SCAN) with a random schedule. In contrast, in our work, the devices switch states periodically, but pick the states randomly. Salonidis et ....

Theodoros Salonidis, Pravin Bhagwat, and Leandros Tassiulas. Proximity awareness and fast connection establishment in Bluetooth. In First Annual Workshop on Mobile and Ad Hoc Networking and Computing, pages 141--142, 2000.

....unit enters idle mode for a much longer interval (typically 1.28 s) However, the inquiring unit needs to send inquiry messages (and alternately listen for potential replies) during the entire interval, since it cannot know when the target unit is actually listening. According to Salonidis et al. [11], the expected delay for link formation (i.e. inquiry plus connection establishment) of peer units is 1 s when both units alternate between inquiry and inquiry scan modes following uniform distribution. In the link formation delay, device discovery is by far the dominating factor. However, we ....

....between inquiry and inquiry scan modes following uniform distribution. In the link formation delay, device discovery is by far the dominating factor. However, we came to different, much higher results for device discovery, both in theory as well as in experiments. Firsfly, the figures given in [11] neglect that units in inquiry scan mode only pay attention to inquiry messages for 11.25 ms out of 1.28 s, less than one percent of the time Therefore, we would need to add (1.28 s 11.25 ms) 2 to the expected delay. Secondly, the figures are based on the assumption of an ideal, error free ....

Theodoros Salonidis, Pravin Bhagwat, and Leandros Tassiulas. Proximity awareness and fast connection establishment in bluetooth. In Proceedings of the First Annual ACM Workshop on Mobile and Ad Hoc Networking and Computing, Boston, Massachusetts, pages 141 142, August 2000.

....algorithm first partitions the network into independent piconets, and then elects a super master that knows about all the nodes. However, the resulting network is not a scatternet, because the piconets are not inter connected. Thus, another phase of re organization is required. Salonidis et al. [19] discuss the issues of symmetric connection between a pair of Bluetooth devices. In their symmetric protocol, the devices switch states (INQUIRY and INQUIRY SCAN) with a random schedule. In contrast, in our work, the devices switch states periodically, but pick the states randomly. Salonidis et ....

Theodoros Salonidis, Pravin Bhagwat, and Leandros Tassiulas. Proximity awareness and fast connection establishment in Bluetooth. In First Annual Workshop on Mobile and Ad Hoc Networking and Computing, pages 141--142, 2000.

....a second device, the time required to perform discovery may in fact exceed the time during which the two devices 4 are in range of one another, effectively rendering the devices unable to communicate in a meaningful fashion. This makes Bluetooth an unsatisfactory solution in certain situations [5]. The inquiry substate contains two 16 channel subsets known as trains. Each train takes 10 ms to complete. By specification, each train must be repeated 256 times to allow sufficient time to collect all inquiry responses. The specification also dictates that at least three train switches must ....

Theodoros Salonidis, Pravin Bhagwat, and Leandros Tassiulas. "Proximity Awareness and Fast Connection Establishment in Bluetooth." Proceedings of the First Annual ACM Workshop on Mobile and Ad Hoc Networking and Computing, Boston, Massachusetts, August 11, 2000.

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Salonidis, T., Bhagwat, P., Tassiulas, L. Proximity Awareness and Fast Connection Establishment in Bluetooth. Proceedings of the 1st ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc), Boston, MA, 2000.

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Salonidis, T., Bhagwat, P., Tassiulas, L. Proximity Awareness and Fast Connection Establishment in Bluetooth. Proceedings of the 1st ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc), Boston, MA, 2000.

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Salonidis, T., Bhagwat, P., Tassiulas, L. Proximity Awareness and Fast Connection Establishment in Bluetooth. Proceedings of the 1st ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc), Boston, MA, 2000.

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Salonidis, T., Bhagwat, P., Tassiulas, L. Proximity Awareness and Fast Connection Establishment in Bluetooth. Proceedings of the 1st ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc), Boston, MA, 2000.

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T. Salonidis, P. Bhagwat, and L. Tassiulas, "Proximity awareness and fast connection establishment in bluetooth," in Proceedings of the First Annual ACM Workshop on mobile and Ad Hoc Networking and Computing, Boston, Massachusetts, August 2000, pp. 141--142.

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T. Salonidis, P. Bhagwat, and L. Tassiulas, "Proximity awareness and fast connection establishment in Bluetooth," in Proc. of MobiHoc, 2000.

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T. Salonidis, P. Bhagwat and L. Tassiulas, Proximity awareness and fast connection establishment in Bluetooth, in: First Annual Workshop on Mobile and Ad Hoc Networking and Computing (2000) pp. 141--142.

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T. Salonidis, P. Bhagwat, L. Tassiulas, Proximity Awareness and Fast Connection Establishment in Bluetooth, The First ACM Annual Workshop on Mobile Ad Hoc Networking and Computing (MobiHoc 2000.

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Salonidis, T.; Bhagwat, P.; Tassiulas, L.: Proximity awareness and fast connection establishment in Bluetooth. First Annual Workshop on Mobile and Ad Hoc Networking and Computing, MobiHOC, 2000.

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T. Salonidis, P. Bhagwat, and L. Tassiulas. Proximity Awareness and Fast Connection Establishment in Bluetooth. ACM Int'l Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), 2000.

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Salonidis, T.; Bhagwat, P.; Tassiulas, L.: Proximity awareness and fast connection establishment in Bluetooth. First Annual Workshop on Mobile and Ad Hoc Networking and Computing, MobiHOC, 2000.

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