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Apparatus and method for handoff in a wireless network

A network and wireless communication technology, applied in the field of wireless networks, can solve difficult and complicated problems

Inactive Publication Date: 2009-08-19
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this may be difficult to do if the master transmits with a different hopping sequence
This is further complicated by the many rules and regulations governing the operation of communication systems

Method used

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  • Apparatus and method for handoff in a wireless network
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Embodiment Construction

[0013] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

[0014] Portions of the following detailed description are presented in terms of algorithms and symbolic representations of operations on data bits or binary digital signals within a computer memory. These algorithmic descriptions and representations may be the means used by those skilled in the data processing arts to convey the substance of their work to others skilled in the art.

[0015] Here, an algorithm is generally considered to be a self-consistent sequence of acts or operations leading to a desired result. These include physic...

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Abstract

A communication system includes a first master device and a second master device. The second master device communicates with a slave device. The second master device can poll the first master device to determine the frequency hopping sequence of the first master device and determine the first master device. Whether the master device is receiving signals from the slave device. In a handover situation, the second master device can transmit the frequency hopping sequence to the slave device, which can then communicate with the first master device almost immediately.

Description

technical field [0001] The present invention generally relates to wireless networks, and more particularly relates to an apparatus and method for switching a master device in a wireless network employing frequency hopping. Background technique [0002] Some communication systems include two or more master devices that provide communication between slave devices and a network. In order to reduce the risk of mutual interference between adjacent master devices, the master devices may use different frequency hopping sequences, which change the transmit frequency of the master devices over time such that adjacent master devices appear to transmit at different frequencies. [0003] If the slave device is a mobile device, it may be necessary or desirable to transfer responsibility for maintaining communications between the slave device and the network to the master device closest to the slave device. However, this may be difficult to do if the master transmits with a different hop...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/28
CPCH04W36/0072H04W84/20
Inventor 戴维·李佩尔
Owner INTEL CORP
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