Personal area

To use the hotfix in this package, you do not have to make any changes to the registry.

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A Bluetooth Personal Area Network device may stop responding after a surprise removal of the device from a computer that is running Windows 7, personal area.

You pair the device to the computer again, and the bluetooth personal area network device reinitializes.

A bluetooth personal area network device may stop responding after a surprise removal of the device from a computer that is running windows 7

Symptoms

Consider the following scenario:

You pair a bluetooth personal area network device to a computer that is running windows 7.

You perform a surprise removal of the device.

You pair the device to the computer again, and the bluetooth personal area network device reinitializes.

In this scenario, the bluetooth personal area network device may stop responding. In device manager, you see a yellow exclamation point (!) displayed next to the bluetooth personal area network device.

Cause

This problem occurs because bthport.Sys does not process device I/O control requests that are queued while the device is in a stopped state correctly. When a device is removed, the driver should not be unloaded if an application is waiting for any device I/O control requests to complete. This prevents the driver from functioning when the bluetooth radio is reconnected.

Resolution

Hotfix information

A supported hotfix is available from microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "hotfix download available" section at the top of this knowledge base article. If this section does not appear, contact microsoft customer service and support to obtain the hotfix.

Note if additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of microsoft customer service and support telephone numbers or to create a separate service request, visit the following microsoft web site:

Http://support.Microsoft.Com/contactus/?Ws=supportnote the "hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running windows 7.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The english (united states) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in coordinated universal time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and windows server 2008 R2 file information notes

Important windows 7 hotfixes and windows server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the hotfix request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "windows 7/windows server 2008 R2" on the page. Always refer to the "applies to" section in articles to determine the actual operating system that each hotfix applies to.

The files that apply to a specific product, milestone (RTM, spn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

Windows 7 and windows server 2008 R2

GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

The MANIFEST files (.Manifest) and the MUM files (.Mum) that are installed for each environment are listed separately in the "additional file information for windows server 2008 R2 and for windows 7" section. MUM and MANIFEST files, and the associated security catalog (.Cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a microsoft digital signature.

Personal area network (PAN)

1) A personal area network (PAN) is the interconnection of information technology devices within the range of an individual person, typically within a range of 10 meters. For example, a person traveling with a laptop, a personal digital assistant (PDA), and a portable printer could interconnect them without having to plug anything in, using some form of wireless technology. Typically, this kind of personal area network could also be interconnected without wires to the internet or other networks.

Also see wireless personal area network (WPAN) which is virtually a synonym since almost any personal area network would need to function wirelessly. Conceptually, the difference between a PAN and a wireless LAN is that the former tends to be centered around one person while the latter is a local area network (LAN) that is connected without wires and serving multiple users.

2) in another usage, a personal area network (PAN) is a technology that could enable wearable computer devices to communicate with other nearby computers and exchange digital information using the electrical conductivity of the human body as a data network. For example, two people each wearing business card-size transmitters and receivers conceivably could exchange information by shaking hands. The transference of data through intra-body contact, such as handshakes, is known as linkup. The human body's natural salinity makes it a good conductor of electricity. An electric field passes tiny currents, known as pico amps, through the body when the two people shake hands. The handshake completes an electric circuit and each person's data, such as e-mail addresses and phone numbers, are transferred to the other person's laptop computer or a similar device. A person's clothing also could act as a mechanism for transferring this data.

Overview of a personal area network (PAN)

Pans and wpans consist of personal, nearby devices

A personal area network (PAN) is a computer network organized around an individual for personal use only. They typically involve a computer, phone, printer, tablet, or some other device like a PDA.

The difference between pans and other network types like local area networks, wireless local area networks, wide area networks, and metropolitan area networks is that they transmit information between devices that are nearby instead of sending that same data through a LAN or WAN before it reaches something that's already within reach.

You can use these networks to transfer files, including email, calendar appointments, photos, and music. If you do the transfers wirelessly -- for example, using wi-fi or bluetooth -- it's technically called a WPAN, which is a wireless personal area network.

Technologies used to build a PAN

Personal area networks can be wireless or constructed with cables. USB and firewire often link together a wired PAN, while wpans typically use bluetooth (and are called piconets) or sometimes infrared connections.

An example of a WPAN is using a bluetooth keyboard you've connected to a tablet to control the interface for a nearby smart light bulb.

A printer in a small office or home that connects to a nearby desktop, laptop, or phone is also part of a PAN. The same is true for keyboards and other devices that use irda (infrared data association).

A PAN might also contain small, wearable, or embedded devices that can communicate upon nearby contact with other wireless devices. A chip beneath the skin of a finger, for example, that contains your medical data can connect to a computer or chip reader to transmit this information to a doctor.

How big is a PAN?

Wireless personal area networks cover a range of a few centimeters up to around 10 meters (33 feet). These networks are a particular type (or subset) of local area networks that support one person instead of a group.

Secondary devices in a PAN can connect to and run data through a primary machine. With bluetooth, such a setup could be as large as 100 meters (330 feet).

Pans can still access the internet under certain conditions. For example, a device within a PAN can connect to a LAN which has access to the internet, which is itself a WAN. In order, each network type is smaller than the next, but all of them can connect.

Benefits of a personal area network

Pans are for personal use, so the benefits might be more easily understood than when talking about wide area networks, for example, that describe the internet. With a personal area network, your devices interconnect for more accessible communication.

For instance, a surgery room in a hospital might have a PAN set up so that the surgeon can communicate with the other team members in the room. It's unnecessary to have all their communication fed through a more extensive network for people a few feet away to receive it. A PAN transmits data through short-range communication like bluetooth.

Wireless keyboards and mice also specialize in localized use. They don't need to operate computers in other buildings or cities. They only need to communicate with a nearby, usually line-of-sight device like a computer or tablet.

Since most devices that support short-range communication can block out unauthorized connections, a WPAN is considered a secure network. However, just like with wlans and other network types, hackers can still access unsecured pans.

Personal area network (PAN)

A bluetooth personal area network device may stop responding after a surprise removal of the device from a computer that is running windows 7

Symptoms

Consider the following scenario:

You pair a bluetooth personal area network device to a computer that is running windows 7.

You perform a surprise removal of the device.

You pair the device to the computer again, and the bluetooth personal area network device reinitializes.

Cause

Resolution

Hotfix information

Prerequisites

To apply this hotfix, you must be running windows 7.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

Windows 7 and windows server 2008 R2 file information notes

The files that apply to a specific product, milestone (RTM, spn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

Windows 7 and windows server 2008 R2

GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

Wireless personal area network (WPAN)

Definition - what does wireless personal area network (WPAN) mean?

A wireless personal area network (WPAN) is a type of personal network that uses wireless communication technologies to communicate and transfer data between the user’s connected devices. It allows an individual to connect all or most of his or her devices together and access the internet or a local network using any of the native/supported wireless communication techniques.

WPAN is also known as a short wireless distance network.

Techopedia explains wireless personal area network (WPAN)

WPAN works much like a standard personal area network (PAN) except that it uses a wireless communication medium instead of a wired connection. Typically, the devices in WPAN include peripheral and hand-held devices such as pdas, smart phones and tablet pcs. A WPAN's range depends on the wireless router's capabilities, access point or the device itself, but it is usually restricted to a house or small office. WPAN can be created using wi-fi, bluetooth, infrared, Z-wave or any similar wireless technologies. In some cases, one of the internet enabled/powered devices acts as an access point and provides network and internet access to other devices.

For example, a laptop can be connected to the internet wirelessly by creating a bluetooth WPAN with a cell phone. The general packet radio service (GPRS) internet connectivity of the cell phone can be shared with the laptop, and all data packets to and from the laptop are sent over the bluetooth-powered WPAN.

Personal area network (PAN)

Wireless network

Wireless local area network (WLAN)

Consumer electronics (CE)

Bluetooth

Home area network (HAN)

Ipv6 over low-power wireless personal area networks (6lowpan)

Distributed computing system

Active directory (AD)

Hacking tool

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Personal area (PAN) networks. Computer and network examples

A personal area network — PAN is a personal devices network equipped at a limited area. PAN ordinary has such mobile devices: cell phone, tablet, laptop. That type of network could also be wirelessly connected to internet.

The personal area network concept originates at M.I.T.'s media lab thanks to thomas zimmerman research. Zimmerman's article the advantage of this technology explains.

A personal area network handles the interconnection of IT devices at the surrounding of a single user. Generally, PAN contains from following such appliances: cordless mice and keyboards, cordless phone, bluetooth.

A personal area network pros and cons:

PAN is expedient, lucrative and handy.

Sometimes has a bad connection to other networks at the same radio bands.

Bluetooth networks have slow data transfer speed, but comparatively safe.

Bluetooth has distance limits.

Conceptdraw DIAGRAM is a powerful network diagramming and vector drawing software. It provides the computer and networks area with many solutions that contain the wide set of ready-to-use predesigned vector stencils and examples to help you design the professional looking personal area networks (pans) of any complexity quick and easy.

Example 1. Personal area (PAN) network.

Once you go to the solutions section on this site, you will see our examples and templates of personal area network which can be very useful in terms of making your own diagram and to have the final version of it looking professional.

This example was created in conceptdraw DIAGRAM using the computer and networks area of conceptdraw solution park and shows the personal area network.

Example 2. Computer and network diagrams solution

The network diagrams designed with conceptdraw DIAGRAM are vector graphic documents and are available for reviewing, modifying, and converting to a variety of formats (image, HTML, PDF file, MS powerpoint presentation, adobe flash or MS visio).

Personal area network

Brought into being as a result of the wireless matrix a personal area network, usually referred to as a PAN, is a mesh network in the physical vicinity of a user with a commlink at its center. This mesh network can consist of all manner of devices but common ones include eye wear, headphones, simsense trodes, smart clothing, and cyberware.
All devices subscribed to a given user's PAN can communicate with each other seamlessly, sharing information and interoperating according to settings made by the user. Individual pans may access each other or local terminals for the purpose of wirelessly sharing data, personal information and identification, or even transferring funds.
In fact, the vast majority of all transactions are completed in this manner.

PAN operating modes [ edit | edit source ]

Pans may operate in three modes:

Active - this is the default mode for the average user. The PAN can access and be accessed by all other pans and networks freely. Active mode is sometimes required in high security areas (so the user's ID can be scanned at any time).

Passive - often used in high traffic areas or for additional privacy. The PAN can access any networks but can only be accessed by authorized networks. It will still show up in a scan of active networks however. Passive mode is tolerated in most locations.

Hidden - this mode is usually reserved for extreme paranoia. The PAN operates not only as though it were in passive mode but additionally it will be completely invisible to any non-authorized networks. Hidden mode is often considered rude and can draw the attention of law enforcement in some areas, however, in shadowier establishments it is almost expected.

Wireless personal area network (WPAN)

Definition - what does wireless personal area network (WPAN) mean?

WPAN is also known as a short wireless distance network.

Techopedia explains wireless personal area network (WPAN)

Personal area network (PAN)

Wireless network

Wireless local area network (WLAN)

Consumer electronics (CE)

Bluetooth

Home area network (HAN)

Ipv6 over low-power wireless personal area networks (6lowpan)

Distributed computing system

Active directory (AD)

Hacking tool

Tech moves fast! Stay ahead of the curve with techopedia!

Join nearly 200,000 subscribers who receive actionable tech insights from techopedia.

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