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radio communication

A radio, radio protocol technology, used in wireless communication, electrical components, short-range communication services, etc.

Active Publication Date: 2022-07-29
NORDIC SEMICONDUCTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not clear how to do this efficiently while providing the required relevant properties for the generated data channel access addresses

Method used

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  • radio communication
  • radio communication
  • radio communication

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Embodiment Construction

[0090] figure 1 A smartphone 1 is shown communicating with a pair of wireless headphones 7 . The smartphone 1 and the wireless earphone 7 respectively embody the present invention.

[0091]The smartphone 1 has a memory 2 connected to a microprocessor 3, such as the ARM Cortex A-series, which may be part of a larger system-on-chip, such as a Qualcomm Snapdragon. The microprocessor 3 is connected to the short-range radio transmitter module 4 . The short-range radio transmitter 4 includes a packet encoder 5 (and other functional elements). Other conventional components, such as user interfaces, batteries, cellular network radios, etc. are also present, but are omitted from the figures for clarity. The microprocessor 3 and the short-range radio transmitter module 4 may be integrated on a single silicon chip, or may be separate components. The smartphone 1 has a radio antenna 6, which may be integrated with the short-range radio transmitter 4, or may be external to it. The mem...

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Abstract

A radio communication device (1) that receives or generates a base address seed and generates a data channel access address from the seed. Each access address corresponds to a corresponding data channel identifier and is generated by setting a bit at a common first bit position to the first common one of the base address seed or the corresponding data channel identifier a bit value at a predetermined bit position; setting the bit at a common second bit position to the bitwise complement of the value; and according to the base address seed and in the corresponding data channel identifier, not A value at one or more bit positions of a common predetermined bit position sets one or more of the remaining bit positions. The apparatus (1) may send or receive radio data packets comprising access addresses from the generated set.

Description

technical field [0001] The present invention relates to radio communication apparatus and methods. Background technique [0002] In digital radio communication systems, it is often necessary to have multiple logical links or channels between two or more parties to share limited bandwidth within one physical channel. Sometimes this is accomplished by tagging each packet with a label that identifies a specific channel. Depending on the radio protocol or context, this tag may be referred to as "access address", "address", "access code", "logical link identifier", "sync word", "sync signal", etc. The radio receiver may then choose to process packets from one or more target logical channels while discarding packets from other logical channels within the same physical channel based on the channel labels contained in the packets. The receiving device may configure the correlator to use the desired channel label as a correlation code to distinguish packets belonging to the desired...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/80H04W8/26
CPCH04W4/80H04W8/26H04L2101/604H04L2101/681H04L61/5092H04W84/18H04W8/005H04L45/74H04W28/065
Inventor 丹尼尔·瑞安
Owner NORDIC SEMICONDUCTOR