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200404301208LHeschThesisBluetooth has the potential to greatly increase the accuracy and reliability of robotics communications. Bluetooth has the potential for one master to connect with many slaves, but the technology available for purchase only enables one-to-one connections. In order to prevent interference with other devices, Bluetooth employs a spread-spectrum frequency-hopping technique which takes a narrowband signal and spreads it over a broader portion of the available radio frequency band. It was postulated that the Bluetooth architecture would be upwardly compatible, with this communications structure enabling more sophisticated information exchanges between mobile and stationary robots. Bluetooth master/slave devices were purchased from Wireless Futures BlueWAVE line of integrated circuits, which are designed to be "out of the box" Bluetooth solutions. The microprocessor sent commands significantly faster than the Bluetooth device could receive them, such that the microprocessor had to hicss36We analyze the features or problems that Bluetooth offers for transmitting audio data in a multihop network. After section II gives an introduction to a scenario of voice transmission in a Bluetooth based MANET, sections III to V give a short overview on relevant aspects of Blue-tooth, MANETs and earlier work in this field. We argue that existing MANET routing pro-tocols cannot be used straightforward with Bluetooth but need adaption. Furthermore it seems that after some startup problems Bluetooth may really become a common fea-ture of cellphones (like the Ericsson T68m and others) or PDAs (like the new Compaq IPAQ 3870). So the developers of the MANET routing protocols should consider that their protocols might also be used in a Bluetooth environment. The initial goal of our work pre-sented here was to evaluate if the current protocols can be easily used in combination with Bluetooth or what modifi-cations need to be done to enable Bluetooth-based Ad-hoc networking. In thisICETE05bEmail: ros@mcs.une.edu.au Multimedia Guide Book, Bluetooth Wireless Network, On Demand Context-Aware Multimedia, Wireless Communications Protocol This paper presents a Bluetooth based communications protocol used for multimedia guidebooks on mobile computing devices. The protocol uses Bluetooth wireless connections as a communications medium. The widespread usage of sophisticated mobile computing technology has lead to the development of mobile multimedia and communication services such as Wireless Application Protocol (WAP) and Bluetooth. This is a problem for application programs that require file transfer using Bluetooth or the infrared protocols. The use of Bluetooth or infrared protocols is attractive for some applications because the transfer of information is not charged and does not require the user to have an account with a service provider as with WAP. This paper introduces a Bluetooth based communications protocol used for the implementation of3174LMX9820_ds_1.05.fmConformance testing through the Bluetooth qualifi-cation program enables a short time to market after system integration by insuring a high probability of compliance and interoperability. Based on National's CompactRISCT 16-bit processor architecture and Digital Smart Radio technology, the LMX9820 is optimized to handle the data and link manage-ment processing requirements of a Bluetooth node. The firmware supplied within this device offers a complete Bluetooth (v1.1) stack including profiles and command interface. The internal memory supports up to three active Bluetooth links. Crystal/oscillator must have cumulative accuracy specifications of not more than + 20 ppm to meet the Bluetooth specification. These processors operate from integrated Flash memory and RAM and execute on-board firmware implementing all Bluetooth functions. The on-chip application of the LMX9820 allows full stand-alone operation, without any Bluetooth protocol layerepn_03_03Bluetooth and Wi-Fi coexistence has found its quintessential form factor, and it is small enough to fit in the palm of your hand. For years companies and standards bodies have worked on making Wi-Fi (IEEE 802.11b) and Bluetooth (IEEE 802.15.1) coexist, because there was a fear that these devices would generate catastrophic interference with one another. As Bluetooth and Wi-Fi begin to take their rightful places in the world, Bluetooth as a Wire-less Personal Area Network (WPAN) technology and Wi-Fi as a Wireless Local Area Networking (WLAN) technology, the situation has started to change. Bluetooth has become the network of choice for cable replace-ment enabling wireless voice headsets, keyboards and mice. These logical applications of Wi-Fi and Bluetooth technologies are leading to the natural convergence of the two into handheld devices such as PDAs and smartphones. Because Wi-Fi and Bluetooth approach spec-trum use in different ways, they can cause con-siderableSwitching from MS Driver to WIDCOMMThis document describes how to switch from the Microsoft driver to the WIDCOMM driver on Windows XP so that the BTW Bluetooth software can be used with your Bluetooth USB device. This problem may arise when installing the WIDCOMM Bluetooth software on Windows XP SP1/SP2. When the device is first inserted the system attempts to locate a signed driver that will work with the device. In this case the Microsoft driver is installed first if its Bluetooth driver supports the device being installed. When Microsoft stack is in control then the Bluetooth Radios category is present in the Device Manager as shown below, Figure 1. When the Hardware Update Wizard appears, Figure 3, we are now ready to install the WIDCOMM Bluetooth driver. You will notice that the "Bluetooth Radios" section has been removed and has been replaced with the "Bluetooth Devices" section. This section only contains one entry for the WIDCOMM Bluetooth driver. The Device manager can beBU-CE-0407Current Bluetooth broadcast-ing scheme may repeat transmitting (broadcasting) the same broadcasted baseband ACL packet several times to in-crease the reliability of broadcast over an unreliable Blue-tooth radio channel. We have analyzed the effects of differ-ent Bluetooth baseband ACL packet types, each of which has a different size and error protection scheme, on the broadcast performance in terms of reliability and effective throughput that can be achieved over a given radio channel characteristics (i.e. a given bit error rate). These results can be used at Bluetooth baseband layer to dynamically adapt to varying channel conditions and to achieve a good broadcast performance. The first Bluetooth standards were made public in 1999 and nowadays we can see lots of different Bluetooth products available on the market, ranging from Bluetooth USB don-gles to Bluetooth headsets and watches. Bluetooth is a fairly new technology and therefore has a lot of issues to develop andeBeam Product SupportWhat are the physical dimensions for System 3? What are the minimum system requirements for eBeam? Is there an SDK or API available for eBeam? Can I upgrade my receiver(s) with new firmware? How do I get assistance with my D-Link DBT-120 Personal Air USB Bluetooth Adapter that came with my eBeam System 3 Wireless? Can I have more than one bluetooth device connected to my wireless eBeam hardware at the same time? eBeam System 3 is available in either a native USB version or Bluetooth/USB version. Can I have more than one bluetooth device connected to my wireless eBeam hardware at the same time? No, at this time eBeam Bluetooth systems only support one to one connections.madsdyd@diku.dk, beaufour@diku.dk, leopold@diku.dk, Institute of Computer Science, University of Copenhagen Data dissemination can be defined as the proac-tive distribution of relevant data to large numbers of users. The objective is to deliver the right data, to the right people at the right time. In the context of sensor networks, data dissemination is a natural basis for monitoring applications. We consider systems where a large number of mobile smart-tags disseminate data from fixed sensor nodes to fixed display units as they move around. Our implementation uses BlueTag development kits, i.e. alpha versions of Bluetooth based active smart-tags produced by a danish start-up [Paga]. Bluetooth is an interest-ing networking technology because of its support for device discovery. We finally de-scribe an implementation using bluetooth-based smart-tags that allows us to study the performance of the bluetooth device discovery mechanism and the performance of our update propagationintelligent optical interface and projection display technology company, announced its Bluetooth Virtual Keyboard technology that is compliant with both HID and SPP Protocols. The pocket-sized device projects a full-size two-dimensional keyboard onto any flat surface, wirelessly communicating with the host device. The BTVKB keyboard is manufactured and master distributed by i.Tech Dynamic Limited, a subsidiary of Hutchison Harbour Ring Limited. The Bluetooth Virtual Keyboard provides an easy, intuitive way for users to input data and access the full functionality of increasingly sophisticated wireless mobile consumer devices and platforms where there are no other simple options. The keyboard is compatible with a variety of wireless personal digital assistants (PDAs), mobile phones, smart phones, laptops, tablet PCs and PCs. The BTVKB uses three modules to create the keyboard technology: the projection module, the illumination module and the sensor module. The first untitledThe unit requires Bluetooth support on your PDA or laptop. If your PDA came with Bluetooth hardware installed, you will have this service. If you purchase a Bluetooth radio to install in your PDA be sure that this is a feature of the product and that you install and configure serial port support. Pocket PC users will find the GPS located on the outgoing serial ports defined by the Bluetooth radio. The Bluetooth driver should disable serial port protocol since the Bluetooth GPS uses a simple interface and some programs can be confused by this protocol. Palm users will need to verify that the application they intend to use supports Bluetooth communication. If the program does not offer the COM choice then it is not compatible with Bluetooth communication. Another way to determine the serial port number is to use the Bluetooth access software. There are two serial ports assigned by the Bluetooth software.TankPaper2The initial phase was used to demonstrate the application of Bluetooth communication for coordinated robotic search. The goal of the first phase was to develop a robot communication strategy using Bluetooth for the Honeybee task. This project represents an extension to an earlier project described in [1] that used Bluetooth communication to solve a simple multi-robot search and communication task. The primary goals of this extended project include the development of a cheap and easily produced platform with Bluetooth capabilities, development of a more robust Bluetooth communication scheme, and the development of behavioral models that allow efficient team-based search and destroy tactics in a military-like scenario. One particular reason for the choice of the iPAQ as the controller was the ability to use Bluetooth wireless technology to establish a robust communication link between the two robots. The Bluetooth protocol allows for the creation of a short-range radioiswc2001The system is based on a Bluetooth communication module and a microcontroller. The Bluetooth technology [1] is an emerging communication standard that provides ad hoc configuration of master/slave piconets up to eight units. We have designed and implemented an autonomous programmable computing unit with Bluetooth communica-tions. Commercial Bluetooth solutions are available as fully self-contained transceiver modules. The modules offer a generic Host Controller Interface (HCI) to the lower layers of the Bluetooth proto-col stack while the higher layers of the protocol and appli-cations must be implemented on the host system. Since the in-system CPU and memory are not available for user spe-cific implementations, even a minimal standalone Bluetooth node needs an additional host CPU to execute applications and the corresponding higher layers of the Bluetooth proto-col. To run applications and the higher Bluetooth protocol lay-ers, the Atmel ATMega103L SOC microcontrollerChicago, IL 60607, Emails: hyang@ece.uic.edu Abstract Miniaturized printed-circuit-board antennas are proposed in PCMCIA cards for WALN and Bluetooth applications. The proposed antenna is a straight F in shape printed on a FR4 substrate together with the rest of the circuit components, providing a low-cost antenna solution. The straight F antenna resembles a printed inverted F antenna, but the inductive tuning arm is in the same side of the capacitive arm, resulting in further reduced overall antenna area. The proposed antenna occupies an area of about 9mm by 7mm. Several prototype antennas are designed and fabricated. Introduction Recently there is tremendous demand for the development of wireless communication systems for local access networks (WLAN) including bluetooth, IEEE 802.11a, and 802.11b. In WLAN or Bluetooth applications, either the PCMCIA bus card or dogle allows very small area for an antenna. In WLAN or Bluetooth applications, overall board space for*Third-party marks and brands are the property of their respective owners. Bluetooth SDP enables Bluetooth devices to discover the characteristics and capabilities of other Bluetooth devices within RF proximity Within Bluetooth SDP, a service is: - any information, resource, or facility that is provided by (or through) one Bluetooth device that is advertised as available to nearby Bluetooth devices Bluetooth SDP does not provide a general purpose service access/usage mechanism; SDP only enables discovery of services Bluetooth SDP focuses on service discovery within Bluetooth environment SDP does not compete with other technologies. Represents the default solution for a specific usage model "Vertical slice" through the protocol stack Basis for interoperability and logo requirements Each Bluetooth device supports one or more profiles Bluetooth Baseband IEEE Oregon Section Bluetooth Seminar - April 27, 2001 IEEE Oregon Section Bluetooth Seminar - April 27, 2001History Competencies Robust yet Flexible Protocol Stack (Bluetooth) Recognized Worldwide as a Leading Provider of Bluetooth -Chair of Car WG of Bluetooth Gold Associate Member and Co-Chair of Car WG of Bluetooth Robust yet Flexible Upper Layer Bluetooth Bluetooth Devices Z-ONE --- ZigBee Stack including Networking igBee Stack including Networking and Application Layers, Security Manager, Profiles Bluetooth Support | ||
