A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive mobile multimedia networks," IEEE Personal Communications Magazine, vol. 3, no. 2, pp. 34--51, April 1996.  Home/Search   Document Not in Database   Summary   Related Articles   Check

.... These ideas form the essence of a major shift to nomadicity (nomadic computing and communications) The focus of nomadicity is on the system support needed to provide a rich set of capabilities and services to the nomad as he she moves from place to place in a transparent and convenient form [1 5]. Of concern are those capabilities that must be put in place to support nomadicity. The desirable characteristics for nomadicity include independence of location, of motion, of computing platform, of communication device, and of communication bandwidth, with widespread presence of access to ....

A. Alwan et al., "Adaptive Mobile Multimedia Networks, " IEEE Pers. Commun., vol. 3, no. 2, Apr. 1996, pp. 34--49.

....fixed networks[5] However, these results are not directly applicable to wireless and mobile scenarios in which in addition to congestion there are many other factors which affect the user perceived QoS (e.g. fading, mobility, multipath, etc. There are also works focused on wireless networks ([6 8]) which offer some interesting ideas but their requirements are very difficult to be met in our ad hoc network extensions. So, we present our adaptive application architecture and use it to demonstrate its benefits when used in multihop ad hoc network extensions. The remainder of the paper is ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive Mobile Multimedia Networks" IEEE Personal Communications, April 1996, pp. 34-51.

.... originating calls to satisfy the QoS requirements (e.g. the upper bound of the forced termination probability [10,12,18] Recently, in order to overcome the scarce and highlyfluctuating link bandwidth in wireless mobile networks, leveraging the adaptive multimedia networking is proposed (e.g. [1,13]) In the wireless mobile multimedia networks using the adaptive framework, the bandwidth of an ongoing call can be dynamically adjusted to adapt to the various communication environments, especially in overloaded situations. With the help of this adaptive framework, the forced termination prob # ....

A. Alwan et al., Adaptive mobile multimedia networks, IEEE Communications Magazine 34(4) (April 1996) 34--51.

....tasks. Fixed network based schemes for Internet video transmission are also proposed. Systems with such schemes try to provide absolute guarantees on resource availability Therefore, packets drops can be ef fectively eliminated. Good example of such schemes are presented by Alwan et al. [1], and Krishnamurthy and Little [10] However, this scheme is hard to deploy because it requires a lot of router changes in the Internet. In addition, such schemes have no conflicts with our proposed scheme, as we can simply The rest of the paper is organized as follows: the proposed scheme is ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive mobile multimedia networks. Adaptive Mobile Multimedia Networks, 3(2):34-51, 1996.

....mobile computing. i Introduction Advances in wireless technology and portable computing along with demands for greater user mobility have provided a major impetus toward development of an emerging class of self organizing, rapidly deployable network archi tectures referred to as ad hoc networks [2, 12]. An ad hoc network is comprised of wireless nodes and requires no fixed infrastructure. Any device with a microprocessor, whether highly mobile or stationary, is a potential node in an ad hoc network. This includes mobile telephones, motor vehicles, roadside information stations, satellites, and ....

A. Alwan, tL Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive mobile multimedia net- works. IEEE Personal Communications Magazine, 3(2), April 1996.

.... multimedia applications accept soft QoS and use adaptation techniques to reduce the level of QoS disruption [21] 22] 23] For instance, the QoS disruption caused by rerouting in an ad hoc network can be mitigated by using the rate adaptive, layer based encoded voice video compression schemes [24]. We propose a distributed QoS routing scheme for ad hoc networks. Two routing problems are studied. They are the delay constrained least cost routing and the bandwidthconstrained least cost routing. The rst one is NP complete [25] The second one is solvable in polynomial time, given precise ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, \Adaptive Mobile Multimedia Networks, " IEEE PCS Magazine, 1996.

....decoding tasks. Fixed network based schemes for Internet video transmission are also proposed. Systems with such schemes try to provide absolute guarantees on resource availability Therefore, packets drops can be effectively eliminated. Good example of such schemes are presented by Alwan et al. [1], and Krishnamurthy and Little [10] However, this scheme is hard to deploy because it requires a lot of router changes in the Internet. In addition, such schemes have no con icts with our proposed scheme, as we can simply The rest of the paper is organized as follows: the proposed scheme is ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive mobile multimedia networks. Adaptive Mobile Multimedia Networks, 3(2):34-51, 1996.

....of service. In general, forced termination of an ongoing call is more unbearable than the blocking of call. So far, call admission control (CAC) has focused on how to block originating calls to reduce the forced termination probability[1, 2, 3] However, with the introduction of adaptive multimedia[4, 5], forced termination probability can be reduced to a negligible level in normal traffic load. Originally, the concept of adaptive multimedia was introduced in fixed networks. In fixed broadband networks like ATM, once a call is admitted to the network, a contract between network and application ....

A. Alwan et al., "Adaptive Mobile Multimedia Networks, " IEEE Communications Magazine, Vol. 34, No. 4, pp. 34-51, Apr., 1996.

....in Mult946 MobileNet works. In parallel with (and separatelyfrom the single hop cellularm del, another type of m del, based on radio to radiom ultihopping, bas been evolving to serve a growing num ber of applications which rely on a fast deployable,m ultihop, wireless infrastructure [3]. The classic examicI are battlefieldcom unications, in the civilian sector) disaster recovery (fire, earthquake) and search and rescue. A recent addition to this set is the ad hoc personalcom unications network, which could be rapidly deployed on acam4jW forexam5S5 to support ....

A. Alwan, R.BagE dia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive mobile multimedia networks," IEEE Personal Communications, pp.34--51, April 1996.

....Many of the results obtained apply specifically to fixed wireline networks and do not accommodate the dynamics of mobile nodes and wireless transmissions. More recently, researchers focussing on service provision and multicasting have redirected their attention to mobile wireless networks (e.g. [1,12,5,2,4]) in response to the increased availability and capabilities of portable wireless computing and communications devices. In many cases, however, the assumption is that mobile nodes attach via wireless links to a fixed wireline infrastructure, with static topology and known capacity. Results that ....

A. Alwan et al., "Adaptive mobile multimedia networks," IEEE Personal Comm., pp.34-51, April 1996.

No context found.

Alwan, A.;Bagrodia, R.;Bambos, N.;Gerla, M.;Kleinrock, L.;Short, J.; Villasenor, J. Adaptive mobile multimedia networks. IEEE Personal Communications, vol.3, (no.2), IEEE, April 1996. p.34-51

....more resources. Fixed network based schemes for Internet video transmission are also proposed. Systems with such schemes try to provide absolute guarantees on resource availability. Therefore, packet drops can effectively be eliminated. Good example of such schemes are presented by Alwan et al. [5], and Krishnamurthy and Little [39] However, this scheme is hard to deploy because it requires a lot of router changes in the Internet. Also, this scheme will not conflict with our proposed scheme. Table 4.1: Network packet header layout 69 Sequence number (s) Priority value Priority range ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Vil- lasenor. Adaptive Mobile Multimedia Networks. Adaptive Mobile Multimedia Networks, 3(2):34-51, 1996.

.... (flood, fire, earthquakes etc) law enforcement (crowd control, border patrol etc) search and rescue in remote areas, sport events, festivals, ad hoc nomadic, collaborative computing, indoor network appliances, and battlefield [18] Adaptive multimedia for multi hop networks is discussed in [6]. We investigate adaptive multimedia application layers that continuously within a session, change their demands from the network based on a periodical end to end feedback. The change in demand to the lower layers is in response to changing the encoding scheme and or encoding parameters of the ....

Alwan, A.;Bagrodia, R.;Bambos, N.;Gerla, M.;Kleinrock, L.;Short, J.; Villasenor, J. Adaptive mobile multimedia networks. IEEE Personal Communications, vol.3, (no.2), IEEE, April 1996. p.34-51.

No context found.

Alwan, A.;Bagrodia, R.;Bambos, N.;Gerla, M.;Kleinrock, L.;Short, J.; Villasenor, J. Adaptive mobile multimedia networks. IEEE Personal Communications, vol.3, (no.2), IEEE, April 1996

....recovery communication requirements [16, 17] PRNET was totally asynchronous and was based on a completely distributed architecture. It handled datagram traffic reasonably well, but did not offer efficient multimedia support. Recently, under the WAMIS (Wireless Adaptive Mobile Information Systems) [1] and Glomo ARPA programs several mobile, multimedia, multihop (M 3 ) wireless network architectures have been developed, which require some form of synchronous, time division infrastructure. The synchronous time frame leads to efficient multimedia support implementations. However, it introduces ....

....and system parameters, and to compare it with that of other schemes. Most of the simulation experiments share the same network layout and traffic pattern, which are described below. The channel rate is 800 kbps (the nominal rate of the radio under development with the ARPA sponsored WAMIS project [1]) All data packets (datagram and real time) are 4 kbits. The preamble for DS SS acquisition is 500 bits. Thus, data packet transmission time (at 800 kbps) is 6 ms. The default CYCLE time is 100 ms. The offered traffic consists of two components: real time sessions and datagrams. A new real time ....

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short and J. Villasenor, "Adaptive mobile multimedia networks," IEEE Personal Communications, pp. 34-51, April 1996.

....occurs when base station B fails. In this paper, we are addressing the multihop type model and applications. More precisely, we are concerned with the design of efficient Multihop, Mobile, Multimedia (M 3 ) wireless networks. The M 3 problem has been recognized as a very difficult problem [1]. Over a decade ago, the ARPA sponsored Packet Radio Network [12] did provide an efficient solution to the Multihop, Mobile requirements of battlefield and disaster relief communications. It fell short, however, of supporting Multimedia services. An attempt was actually made to support voice using ....

....time traffic. Free slots are accessed by datagrams in a random access mode. QoS routing makes sure that calls are routed on paths with sufficient bandwidth. It also enforces call acceptance control. Besides Cluster TDM, two other network schemes were developed at UCLA, the Virtual Network and SWAN [1]. These latter schemes also assume time frame synchronization, but make a more aggressive use of the DS SS encoding for Code Division Multiple Access (CDMA) Namely, by means of efficient, distributed power control techniques various connections (with different codes) share the same time slot. The ....

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A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short and J. Villasenor, "Adaptive Mobile Multimedia Networks," IEEE Personal Communications, pp. 34-51, April 1996.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive mobile multimedia networks," IEEE Personal Communications Magazine, vol. 3, no. 2, pp. 34--51, April 1996.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor (1996). Adaptive mobile multimedia networks. IEEE Personal Communications Magazine, 3(2): 34--51.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive mobile multimedia network. IEEE Personal Communications, 4, June 1997.

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A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive Mobile Multimedia Networks. IEEE Personal Communications, 3(2):35--51, April 1996.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive Mobile Multimedia Networks" IEEE Personal Communications, April 1996, pp. 34-51.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, J. Villasenor, Adaptive Mobile Multimedia Networks, IEEE Personal Communications 3 (2) (1996) 34-51.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor, "Adaptive mobile multimedia networks," IEEE Pers. Commun., vol. 3, pp. 34--51, Apr. 1996.

No context found.

A. Alwan, R. Bagrodia, N. Bambos, M. Gerla, L. Kleinrock, J. Short, and J. Villasenor. Adaptive mobile multimedia networks. Adaptive Mobile Multimedia Networks, 3(2):34--51, 1996.

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A. Alwan et al., "Adaptive Mobile Multimedia Networks, " IEEE Personal Comm., Apr. 1996, pp. 7-22.

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