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Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling

A Bluetooth and wireless headset technology, applied in VoIP and system fields using advanced eSCO scheduling to Bluetooth headsets through WLAN, and can solve problems such as small antenna isolation

Active Publication Date: 2012-05-09
III HLDG 3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, AFH is of little help in cases where the antenna separation is small (i.e. where the WLAN and Bluetooth transceivers are integrated into the same terminal but without separate antennas) or where a single antenna is shared between the two transceivers

Method used

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  • Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling
  • Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling
  • Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling

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Experimental program
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Embodiment Construction

[0052] figure 1 It is a network diagram showing a Voice over IP (VoIP) communication network from a WLAN phone 100A to a Bluetooth headset 101A according to an embodiment of the present invention. The telephone terminal 100A includes a Bluetooth transceiver 604 connected to a Bluetooth antenna 102A and a WLAN transceiver 602 connected to a separate WLAN antenna 103A. The Bluetooth transceiver 604 operates in the Bluetooth network 106A to communicate with the wireless headset 101A using the 2.4GHz ISM band and the Bluetooth v1.2 specification communication protocol to exchange Bluetooth packets. When the Bluetooth link 106A is established between the telephone terminal 100A and the wireless headset 101A, packets are exchanged over the air between the terminal 100A and the wireless headset 101A by alternately transmitting and receiving encoded audio data in consecutive Bluetooth slots.

[0053] figure 2 show with figure 1 The same Voice over IP (VoIP) communication network...

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Abstract

A system and method are disclosed for reducing interference in simultaneous wireless LAN (WLAN) and wireless personal area network (PAN) signal handling in mobile wireless terminals having both a WLAN and a PAN interface. The wireless terminal includes a first transceiver operating in the PAN network in a communications band and a first communications protocol transmitting first data units. The wireless terminal also includes a second transceiver operating in the WLAN network in substantially the same communications band and a second communications protocol transmitting second data units. Thewireless terminal further includes a controller coupled to the first and second transceivers, assigning a higher transmission priority to the second data units than to the first data units when transmission of the second data units overlaps a first occurring transmission of the first data units, to abort transmission of the first occurring data unit. The controller assigns a higher transmission priority to the aborted first data unit than to the second data units when transmission of the second data units overlaps the retransmission of the aborted first data unit, to transmit the aborted first data unit.

Description

[0001] This application is based on and claims upon U.S. Application No. 11 / 065,277, "METHOD AND SYSTEM FOR VoIP OVER WLAN TOBLUETOOTH HEADSET USING ADVANCED ESCOSCHEDULING," filed February 25, 2005, and "METHOD AND SYSTEM FOR VoIP OVER OVER WALN TO BLUETOOTH HEADSETUSING ADVANCED ESCO SCHEDULING", the contents of which are incorporated herein in their entirety. technical field [0002] The disclosed invention relates broadly to improvements in mobile radio terminals having more than one short-range communication interface to reduce interference in simultaneous signal processing. In particular, the present invention relates to reducing interference in voice over IP (VoIP: voice over IP) communication in a wireless terminal having both a wireless local area network (WLAN) and a Bluetooth interface. Background technique [0003] The most well-known example of a wireless personal area network (PAN: personal area network) technology is the Bluetooth standard operating in the 2.4...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/10H04L12/28H04L12/54H04W16/14H04W88/06
CPCH04L47/2433H04W72/1215H04L47/14H04L47/245H04L47/2416H04L47/10H04W72/1242H04W84/18H04W28/04H04W84/12H04M2250/02H04W16/14H04M1/2535H04W88/06H04L12/5692H04M2250/06H04L47/2458H04M1/6066H04W28/02H04W72/569
Inventor 阿托·帕林莫里·杭卡恩朱卡·雷纳马基
Owner III HLDG 3