Symbiont techn in radio network

A wireless transceiver, antenna system technology, applied in advanced technology, wireless communication, network topology and other directions, can solve the problem of no communication protocol and so on

Inactive Publication Date: 2002-07-10
SYMBOL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although communication protocols such as 802.11 and Bluetooth have been designed to ensure that devices using the same protocol operate in the same frequency band with minimal interference, there is as yet no coordinated way to allow these wireless devices to operate on the same frequency with different communication protocols

Method used

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  • Symbiont techn in radio network
  • Symbiont techn in radio network
  • Symbiont techn in radio network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] see figure 1 , shows a plurality of base stations or access points (APs) 20,30 connected to the wired network 10 through entities 40,50. A wired network with multiple access points connected to the CPU 12 is a typical installation, but systems can also use a single computer and a single AP. Each AP includes equipment 60, 70 for transmitting and receiving radio frequency (RF) signals under the 802.11 protocol. A plurality of wireless transceivers or mobile units (MUs) 120, 140 also communicate using the 802.11 protocol with the devices 80, 90 for sending and receiving RF signals. Each MU 120 , 140 may also be associated with a wireless transceiver as a Bluetooth Master (BTM) device 130 , 150 , which together make up a dual-mode device 100 , 110 . The association between MU and BTM can take advantage of the method of placing entities in the same unit. An example of a dual mode device 100, 110 is a portable terminal worn on a belt.

[0034] Each BTM 130, 150 communicat...

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Abstract

Techniques are provided for frequency coordination among two different wireless network protocols, such as the IEEE 802.11 and Bluetooth protocols, operating in proximity with one another. Coordination is accomplished by the use of a first radio transceiver operating in accordance with a first communication protocol (which may be the 802.11 protocol) and using a frequency band (which may be the 2.4 GHz band), a base station connected to a wired network and operating in accordance with the first communication protocol, a second radio transceiver operating in accordance with a second communication protocol (which may be the Bluetooth protocol) and using the frequency band, and a coordinator associated with the base station for, in turn, activating the first radio transceiver, deactivating the first radio transceiver, activating the second radio transceiver, and deactivating the second radio transceiver.

Description

technical field [0001] This application claims the benefit of two provisional applications, US No. 60 / 175,262, filed January 10, 2000, and US No. 60 / 196,979, filed April 13, 2000. The present invention relates to a wireless data communication network, in particular to a configuration for ensuring coexistence between wireless networks sharing the same frequency band with different working protocols. Background technique [0002] Wireless devices communicate with each other using protocols that transmit agreements over some predetermined frequency bands. Certain devices using one or more wireless protocols may operate by transmitting on the same frequency band. Therefore, in order for devices using one or more wireless protocols to operate effectively in the same frequency band at the same time, coordination techniques must be developed. [0003] For example, the assignee of the present invention provides a system called Spectrum 24(R), which complies with the IEEE 802.11 st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/725H04L12/28H04L12/46H04L12/56
CPCH04M2250/02H04W88/06H04W52/0216H04W52/287H04M1/725H04W84/18H04W16/00H04W52/0219H04W84/12Y02D30/70
Inventor S·J·谢尔哈默J·沙罗尼A·D·比乌索S·A·康诺利W·萨克特J·卡巴纳P·蒂利R·比奇
Owner SYMBOL TECH INC
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