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    • 3. 发明授权
    • Method and apparatus for close proximity device discovery
    • 用于近距离装置发现的方法和装置
    • US08842792B2
    • 2014-09-23
    • US13543384
    • 2012-07-06
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • H04L7/04G06K7/10
    • G06K7/10039G06K7/10306
    • Method, apparatus and computer program for broadcasting a synchronization signal as a timing reference for slave devices; broadcasting by an impulse radio transceiver a discovery request packet with a given timing offset with relation to the timing reference, for reception by receptive slave devices with matching timing with the given timing offset; receiving by the impulse radio transceiver a response packet from each receptive slave device with the given timing offset; and detecting a timing conflict in which the impulse radio transceiver has simultaneously received two or more response packets, and responsively transmitting by the impulse radio transceiver to the receptive slave devices a response change request packet; the response change request packet requesting one or more of the receptive slave devices to cease sending response packets in response to a following discovery request packet sent with the given timing offset.
    • 用于广播作为从设备的定时参考的同步信号的方法,装置和计算机程序; 通过脉冲无线电收发机广播具有关于定时参考的给定定时偏移的发现请求分组,以便具有与给定定时偏移的匹配定时的接收从设备接收; 由脉冲无线电收发机接收来自具有给定定时偏移的每个接收从设备的响应分组; 并且检测脉冲无线电收发器同时接收两个或更多个响应分组的定时冲突,以及由脉冲无线电收发机响应地向接收从设备发送响应改变请求分组; 所述响应改变请求分组响应于以给定的定时偏移发送的随后的发现请求分组,请求接收从设备中的一个或多个接收从设备停止发送响应分组。
    • 4. 发明申请
    • CARRIER SENSING MULTIPLE ACCESS WITH COLLISION AVOIDANCE SCHEME OPTIMIZED FOR A PRIORI KNOWN CARRIER USAGE FOR LOW DUTY CYCLE SYSTEMS
    • 携带者感知具有冲突避免方案的多路访问优化用于低占空比系统的先行运动载体
    • US20070116033A1
    • 2007-05-24
    • US11623603
    • 2007-01-16
    • Jukka ReunamakiJuha SalokannelAntti LappetelainenVisa Smolander
    • Jukka ReunamakiJuha SalokannelAntti LappetelainenVisa Smolander
    • H04L12/413
    • H04W16/14H04L1/16H04W24/00H04W48/08H04W74/00H04W84/10Y02D70/142Y02D70/144
    • Systems and methods for a communication system implementing a short range communication link between devices advertising available information and services, and user devices which may initiate a request for further information or services. The communication system provides a low power solution utilizing an optimized combination of a carrier sensing and frequency division multiple access to avoid collisions. The optimization involves the use of a random mean zero value offset appended to the advertising devices' transmission frames. The offset increases the likelihood that a first advertising device will recognize the transmissions of another advertiser's transmissions (i.e., determining that a channel is busy) and avoid unnecessary transmissions that will result in collisions. Upon recognition, the first advertiser may shift its transmission frame accordingly, thereby avoiding transmission collisions between advertisers. The communication system may be implemented in either a StandAlone LowRate system, or in a device with a pre-existing operational Bluetooth implementation.
    • 用于实现广告可用信息和服务的设备之间的短距离通信链路的通信系统的系统和方法,以及可以发起对更多信息或服务的请求的用户设备。 通信系统利用载波感测和频分多址接入的优化组合来提供低功率解决方案,以避免碰撞。 优化包括使用附加到广告设备的传输帧的随机均值零值偏移。 该偏移增加了第一广告设备将识别另一广告商的传输(即,确定频道正忙)的传输的可能性,并避免将导致冲突的不必要的传输。 一旦识别,第一广告商可以相应地改变其传输帧,从而避免广告商之间的传输冲突。 通信系统可以在StandAlone LowRate系统中或在具有预先存在的操作蓝牙实现的设备中实现。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR CLOSE PROXIMITY DEVICE DISCOVERY
    • 用于近距离设备发现的方法和装置
    • US20130051507A1
    • 2013-02-28
    • US13543384
    • 2012-07-06
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • H04L7/04
    • G06K7/10039G06K7/10306
    • Method, apparatus and computer program for broadcasting a synchronization signal as a timing reference for slave devices; broadcasting by an impulse radio transceiver a discovery request packet with a given timing offset with relation to the timing reference, for reception by receptive slave devices with matching timing with the given timing offset; receiving by the impulse radio transceiver a response packet from each receptive slave device with the given timing offset; and detecting a timing conflict in which the impulse radio transceiver has simultaneously received two or more response packets, and responsively transmitting by the impulse radio transceiver to the receptive slave devices a response change request packet; the response change request packet requesting one or more of the receptive slave devices to cease sending response packets in response to a following discovery request packet sent with the given timing offset.
    • 用于广播作为从设备的定时参考的同步信号的方法,装置和计算机程序; 通过脉冲无线电收发机广播具有相对于定时参考的给定定时偏移的发现请求分组,用于具有与给定定时偏移的匹配定时的接收从设备的接收; 由脉冲无线电收发机接收来自具有给定定时偏移的每个接收从设备的响应分组; 并且检测脉冲无线电收发器同时接收两个或更多个响应分组的定时冲突,以及由脉冲无线电收发机响应地向接收从设备发送响应改变请求分组; 所述响应改变请求分组响应于以给定的定时偏移发送的随后的发现请求分组,请求接收从设备中的一个或多个接收从设备停止发送响应分组。
    • 6. 发明申请
    • Multimode support for wireless communications
    • 多模支持无线通信
    • US20070147332A1
    • 2007-06-28
    • US11319163
    • 2005-12-28
    • Antti LappetelainenHannu LaineArto PalinJukka Reunamaki
    • Antti LappetelainenHannu LaineArto PalinJukka Reunamaki
    • H04J3/16H04L12/403
    • H04W74/06H04W52/0219H04W84/18Y02D70/144Y02D70/162Y02D70/22
    • A plurality of polling response transmission times are allocated for a corresponding plurality of remote devices. The remote devices operate according to a first wireless transmission mode, such as Bluetooth LEE. These allocated polling response transmission times are outside of a time interval designated for communications according to a second wireless transmission mode, such as Bluetooth. Each of the polling response transmission times may be offset from a polling packet transmission time by a corresponding delay interval. In addition, a polling packet to the plurality of remote devices is transmitted, and one or more responses to the polling packet are received. Each of these responses is sent by one of the remote devices during its corresponding polling response transmission time. In addition, communications according to the second wireless transmission mode may be conducted during the designated time interval.
    • 为相应的多个远程设备分配多个轮询响应传输时间。 远程设备根据第一无线传输模式操作,例如蓝牙LEE。 这些分配的轮询响应传输时间在根据诸如蓝牙的第二无线传输模式进行通信的时间间隔之外。 每个轮询响应传输时间可能偏离轮询分组传输时间相应的延迟时间间隔。 此外,发送到多个远程设备的轮询分组,并且接收到对轮询分组的一个或多个响应。 这些响应中的每一个在其相应的轮询响应传输时间期间由远程设备之一发送。 此外,可以在指定的时间间隔内进行根据第二无线传输模式的通信。