Performance Issues Of Bluetooth Scatternets And Other Synchronous TDMA Ad Hoc Networks
White Papers This paper addresses a practical performance issue arising in wireless ad hoc networks using time division multiple access (TDMA). The problem is investigated for the case of Bluetooth, a new promising TDMA wireless technology that enables the...
[January 1, 1970, 0:59]
Resource Optimization Of Spatial TDMA In Ad Hoc Radio Networks: A Column Generation Approach
White Papers This paper studies the problem of resource allocation with spatial TDMA (STDMA) as the access control scheme. Wireless communications using ad hoc networks are receiving an increasing interest. The most attractive feature of ad hoc networks is the...
[January 1, 1970, 0:59]
Maximal Throughput Of Spatial TDMA In Ad Hoc Networks
White Papers This paper studies the problem of resource optimization in ad hoc networks, where spatial TDMA (STDMA) is used as the access scheme. In ad hoc networks, temporary communication links are set up by a number of units, without the need of any fixed...
[January 1, 1970, 0:59]
Performance Issues Of Bluetooth Scatternets And Other Asynchronous TDMA Ad Hoc Networks
White Papers A common assumption of TDMA-based wireless ad hoc networks is the existence of network-wide slot synchronization. In asynchronous TDMA systems each link uses a local time slot reference provided by the hardware clock tick of one of the node endpoints.
[January 1, 1970, 0:59]
A GRASP For Broadcast Scheduling In Ad-Hoc TDMA Networks
White Papers The BSP is an NP-Complete problem in which a finite set of stations are to be scheduled in a time division multiple access (TDMA) frame. In a TDMA frame, time is divided into equal length slots in which transmissions occur.
[January 1, 1970, 0:59]
QoS Support In TDMA-Based Mobile Ad Hoc Networks
White Papers In this paper, the current state of research for QoS support in TDMA-based MANETs at the different layers of the networking model is presented and categorized. Mobile Ad Hoc Networks (MANETs) are gaining a lot of attention in research lately due to...
[January 1, 1970, 0:59]
A Column Generation Method For Spatia TDMA Scheduling In Ad Hoc Networks
White Papers Spatial TDMA (STDMA) is a scheme for access control in ad hoc networks. STDMA improves TDMA by allowing simultaneous transmission of multiple units. An ad hoc network can be set up by a number of units without the need of any permanent infrastructure.
[January 1, 1970, 0:59]
Throughput Analysis Of A Probabilistic Topology-Unaware TDMA MAC Policy For Ad-Hoc Networks
White Papers The existing topology-unaware TDMA-based schemes are capable of providing a minimum guaranteed throughput by considering a deterministic policy for the utilization of the assigned scheduling time slots.
[January 1, 1970, 0:59]
Combined Routing & Scheduling For Spatial TDMA In Multihop Ad Hoc Networks
White Papers Multihop ad hoc radio networks can potentially provide low cost, reliable and easily deployed wireless communications for both civilian and military applications. Using a store and forward procedure, with half-duplex transceivers, communication...
[January 1, 1970, 0:59]
Analysis Of A Probabilistic Topology-Unaware TDMA MAC Policy For Ad-Hoc Networks
White Papers The design of an efficient Medium Access Control (MAC) for ad-hoc networks is challenging. Topology-unaware TDMAbased schemes, suitable for ad-hoc networks, that guarantee a minimum throughput, have already been proposed.
[January 1, 1970, 0:59]
A Probabilistic Topology Unaware TDMA Medium Access Control Policy For Ad-Hoc Environments
White Papers The design of an efficient Medium Access Control (MAC) is challenging in ad-hoc networks where users can enter, leave or move inside the network without any need for prior configuration. In this paper, it is shown that this deterministic policy...
[January 1, 1970, 0:59]
An Optimal TDMA-Based MAC Scheduling For The Minimum Energy Multicast In Wireless Ad Hoc Networks
White Papers This paper only considers "bandwidth" as the QoS in TDMA-based wireless ad hoc networks that use omni-directional antennas and have limited energy resources. Energy conservation is a critical issue in wireless ad hoc networks since batteries are...
[January 1, 1970, 0:59]
Comparison Between Scheduling Models For Spatial Reuse TDMA
White Papers Spatial reuse TDMA is a collision-free access scheme for ad hoc networks. The idea is to let spatially separated radio terminals reuse the same time slot when the resulting interferences are not too severe.
[January 1, 1970, 0:59]
Power And Rate Control For Spatial TDMA In Wireless Radio Networks
White Papers Spatial TDMA (S-TDMA) is a "conflict-free" multiple access for MPRNets, which ensures that a packet transmission, whenever made, is successful. S-TDMA is a link oriented scheduling. The multihop ad hoc networks studied in this paper consist of a...
[January 1, 1970, 0:59]
A Distributed TDMA Slot Assignment Algorithm For Wireless Sensor Networks
White Papers This paper reports a distributed algorithm for TDMA slot assignment that is self-stabilizing to transient faults and dynamic topology change. Time Division Media Access methods schedule transmission in slots to avoid collision, however these...
[January 1, 1970, 0:59]
Ad-Hoc Extensions To The 802.15.3 MAC Protocol
White Papers Features from both IEEE 802.15.3 and IEEE 802.11 standards are used - in particular the TDMA structure from 802.15.3 and RTSCTS based contention from 802.11. The paper describes the design and evaluation of Ad-Hoc extensions to the IEEE 802.15.3...
[January 1, 1970, 0:59]
Distributed Dynamic Scheduling For End-to-End Rate Guarantees In Wireless Ad Hoc Networks
White Papers Using a distributed Time Division Multiple Access (TDMA) protocol nodes adapt to the demand changes on their adjacent links by local, conflict-free slot reassignments. As soon as the demand changes stabilize, the nodes must incrementally converge...
[January 1, 1970, 0:59]
Energy And Spatial Reuse Efficient Network Wide Real-Time Data Broadcasting In Mobile Ad Hoc Networks
White Papers Channel access is regulated through a distributed TDMA scheme maintained by the clusterheads. This paper presents NB-TRACE, which is an energy-efficient network-wide voice broadcasting architecture for mobile ad hoc networks.
[January 1, 1970, 0:59]
High Bitrate Modem Architecture (WIND-FLEX) Wireless LAN: The MAC, The Scheduler And Their Performance
White Papers The access scheme is TDMA at data rates ranging from 64 Kbps to 100 Mbps over a 50 MHz channel at 17 GHz. Data rate adaptivity requires a feedback channel and ad-hoc procedures. A novel Wireless Local Area Network (WLAN) currently developed in the...
[January 1, 1970, 0:59]
A Partitioned Power And Location Aware MAC Protocol For Mobile Ad Hoc Networks
White Papers LAMP uses the concept of cellular geographical division of the network in order to build a distributed Time Division Multiple Access (TDMA) based schedule for transmission, reception and sleep. LAMP is designed for location aware Mobile Ad-hoc...
[January 1, 1970, 0:59]
