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    • 1. 发明授权
    • Centralized contention and reservation request for QoS-driven wireless LANs
    • QoS驱动无线局域网的集中竞争和预留请求
    • US08855060B2
    • 2014-10-07
    • US12633769
    • 2009-12-08
    • Jin-Meng HoWei Lin
    • Jin-Meng HoWei Lin
    • H04W4/00H04B7/212H04L12/66H04W74/08H04W28/14H04W84/12H04W28/26H04W74/00
    • H04W74/0808H04W28/14H04W28/26H04W74/006H04W74/08H04W84/12
    • A method and a system is disclosed for providing quality of service (QoS)-driven channel access within a basic service set (BSS) in a wireless local area network (WLAN). A contention control (CC) frame is sent from a point coordinator (PC) of the BSS during a contention-free period (CFP) of a superframe that includes the contention-free period (CFP) and a contention period (CP). The CC frame contains information relating to at least one of a priority limit for a next centralized contention interval (CCI), a length of the next CCI, a permission probability associated with the next CCI and information relating to a reservation request (RR) frame successfully received by the PC in a previous CCI. A non-colliding RR frame is then received at the PC in the CCI following the CC frame. The received RR frame is sent from a non-PC station in the BSS when at least one centralized contention opportunity (CCO) is available during the CCI after the CC frame. The RR frame indicates that the non-PC station sending the RR frame has at least one buffered data frame for transmission.
    • 公开了用于在无线局域网(WLAN)中的基本服务集(BSS)内提供服务质量(QoS) - 驱动信道访问的方法和系统。 在包含无竞争周期(CFP)和争用周期(CP)的超帧的无争用时段(CFP)期间,从BSS的点协调器(PC)发送争用控制(CC)帧。 CC帧包含与下一个集中式争用间隔(CCI)的优先级限制,下一个CCI的长度,与下一个CCI相关联的许可概率以及与预留请求(RR)帧有关的信息中的至少一个的信息 PC在以前的CCI中成功接收。 然后在CC帧之后的CCI处,在PC处接收非冲突的RR帧。 当在CC帧之后的CCI期间至少有一个集中式竞争机会(CCO)可用时,接收到的RR帧从BSS中的非PC站发送。 RR帧指示发送RR帧的非PC站具有至少一个用于传输的缓冲数据帧。
    • 3. 发明授权
    • Voice-data integrated multiaccess by self-reservation and stabilized aloha contention
    • 语音数据通过自我保留和稳定的aloha争用进行多重访问
    • US08811165B2
    • 2014-08-19
    • US12647530
    • 2009-12-27
    • Jin-Meng Ho
    • Jin-Meng Ho
    • H04J1/16H04L12/413H04J3/02H04J1/02
    • H04W74/08H04W28/20H04W72/04H04W74/006H04W74/0833H04W74/0875
    • A multiple access communication protocol that includes an uplink and a downlink channel is disclosed. The uplink channel has a plurality of frames, such that each frame has a first selectable number of minislots and a second selectable number of slots. A reservation request of a first type is sent into a first selected minislot of a selected frame of the uplink channel when information of a first type is to be sent. The reservation request of the first type requests an assignment for at least one slot for transmitting information of the first type in at least one frame that is subsequent to the selected frame. A reservation request of a second type is sent into a second selected minislot of the selected frame when the second selected minislot is available in the selected frame and when information of a second type is to be sent.
    • 公开了一种包括上行链路和下行链路信道的多址通信协议。 上行链路信道具有多个帧,使得每个帧具有第一可选数量的小时隙和第二可选数量的时隙。 当要发送第一类型的信息时,将第一类型的预约请求发送到上行链路信道的所选帧的第一选择的小时隙中。 第一类型的预约请求请求至少一个时隙的分配,用于在所选择的帧之后的至少一个帧中发送第一类型的信息。 当所选择的帧中的第二选择的小时隙可用时以及当要发送第二类型的信息时,将第二类型的预约请求发送到所选帧的第二选定的小时隙中。
    • 5. 发明授权
    • Enhanced channel access mechanisms for QoS-driven wireless LANs
    • 用于QoS驱动的无线局域网的增强的信道访问机制
    • US08605707B2
    • 2013-12-10
    • US13412151
    • 2012-03-05
    • Jin-Meng Ho
    • Jin-Meng Ho
    • H04J3/16
    • H04W48/08H04W28/26H04W74/02H04W74/04H04W74/06H04W74/08H04W84/12
    • A method and system are disclosed for providing quality of service (QoS)-driven channel access within a basic service set (BSS) in a wireless network. A contention control (CC) frame is sent from a point coordinator (PC) station of the BSS. The CC frame contains information relating to a number of available centralized contention opportunities (CCOs) for receiving a reservation request (RR) in a centralized contention interval (CCI) following the CC frame. The CC frame also contains information relating to the identification of stations from which an RR was successfully received by the PC station in a preceding CCI. The superframe includes a contention-free period (CFP) and a contention (CP). The CC frame is received at a non-PC station in the BSS.
    • 公开了用于在无线网络中的基本服务集(BSS)内提供服务质量(QoS)驱动的信道访问的方法和系统。 竞争控制(CC)帧从BSS的点协调器(PC)站发送。 CC帧包含与用于在CC帧之后的集中争用间隔(CCI)中接收预留请求(RR)的多个可用集中式争用机会(CCO)有关的信息。 CC帧还包含与在前一个CCI中由PC站成功接收到RR的站的识别有关的信息。 超级框架包括无竞争期(CFP)和竞争(CP)。 在BSS中的非PC站接收CC帧。
    • 6. 发明授权
    • RSVP/SBM based up-stream session setup, modification, and teardown for QoS-driven wireless LANs
    • 基于RSVP / SBM的上游会话建立,修改和拆卸为QoS驱动的无线局域网
    • US08503414B2
    • 2013-08-06
    • US12631771
    • 2009-12-04
    • Jin-Meng HoWei Lin
    • Jin-Meng HoWei Lin
    • H04W4/00
    • H04W28/26H04W28/24H04W72/12H04W76/12H04W80/00
    • A method and system is disclosed for setting up, modifying and tearing down an up-stream communication session in a basic service set (BSS) in a wireless local area network (WLAN), so that the communication session has a defined Quality of Service (QoS). Regarding setting up an up-stream communication session, a first Path message and a first Resv message (Path/Resv message) of a RSVP protocol are detected at a designated subnet bandwidth manager (DSBM) in a station having a point coordinator (PC). The first Resv message originates from a RSVP agent of a host outside the BSS, and is a request for setting up an up-stream session between a source non-PC station in the BSS and the PC station. A QoS parameter set and a classifier from the first Path/Resv message for the session are extracted at the DSBM. The DSBM determines whether to admit the up-stream session to the network based on the QoS parameter set defining the session and a channel status report on a medium access control (MAC) sublayer of the BSS. When the up-stream session is admitted, a QoS management entity (QME) of the PC station sets up a virtual up-stream (VUS) between the source non-PC station and the PC station for transporting the up-stream session traffic. The DSBM is part of the QME in the PC station.
    • 公开了一种用于在无线局域网(WLAN)中的基本服务集(BSS)中建立,修改和拆除上游通信会话的方法和系统,使得通信会话具有定义的服务质量( QoS)。 关于设置上行通信会话,在具有点协调器(PC)的站中的指定子网带宽管理器(DSBM)处检测到RSVP协议的第一路径消息和第一Resv消息(Path / Resv消息) 。 第一个Resv消息来自BSS之外的主机的RSVP代理,并且是在BSS中的源非PC站和PC站之间建立上游会话的请求。 DSBM提取了来自会话的第一个Path / Resv消息的QoS参数集和分类器。 DSBM基于定义会话的QoS参数集以及在BSS的介质访问控制(MAC)子层上的信道状态报告来确定是否允许上游会话到网络。 当上游会话被允许时,PC站的QoS管理实体(QME)在源非PC站和PC站之间建立虚拟上行流(VUS),用于传送上游会话流量。 DSBM是PC站中的QME的一部分。
    • 7. 发明授权
    • Voice data integrated multiaccess by self-reservation and contention algorithm
    • 语音数据通过自我保留和争用算法集成多路访问
    • US08320355B1
    • 2012-11-27
    • US11877097
    • 2007-10-23
    • Jin-Meng Ho
    • Jin-Meng Ho
    • H04J3/00
    • H04W72/0446H04W28/26H04W72/042H04W72/0426
    • Certain exemplary embodiments provide a method for providing multiple access to a communication channel, the method comprising: sending a reservation request of a first type into a first selected minislot of a selected frame of an uplink channel when information of a first type is to be sent, the uplink channel having a plurality of frames, each frame having a first selectable number of minislots and a second selectable number of slots, the reservation request of the first type requesting an assignment of at least one slot for transmitting information of the first type in at least one frame that is subsequent to the selected frame.
    • 某些示例性实施例提供了一种用于提供对通信信道的多次接入的方法,所述方法包括:当要发送第一类型的信息时,将第一类型的预留请求发送到上行链路信道的所选帧的第一选定小时隙 ,所述上行链路信道具有多个帧,每个帧具有第一可选数量的小时隙和第二可选数量的时隙,所述第一类型的所述预留请求请求分配用于发送所述第一类型的信息的至少一个时隙 在所选择的帧之后的至少一个帧。
    • 8. 发明授权
    • Smart adjustment of backoff counter and contention window for improved random access
    • 智能调整退货计数器和争用窗口,改进随机访问
    • US08306050B2
    • 2012-11-06
    • US12697098
    • 2010-01-29
    • Jin-Meng Ho
    • Jin-Meng Ho
    • H04L12/413
    • H04L12/413
    • A backoff counter is used to determine the start time of a contended allocation for a device. The backoff counter is set to an integer randomly drawn from the interval [1, CW], where CW is a contention window value selected based upon the priority of the traffic to be transmitted. The backoff counter is decremented for each idle contention slot detected. When the backoff counter reaches zero, the device attempts to transmit in the next contention slot. If the device receives no acknowledgement or an incorrect acknowledgment, then the transmission has failed. After a failed transmission, CW is set by alternately doubling the CW value up to a CWmax value for the user priority. CW is unchanged, if it was doubled in the last setting; and CW is doubled, if it was unchanged in the last setting.
    • 退货计数器用于确定设备的竞争分配的开始时间。 退避计数器设置为从区间[1,CW]中随机抽取的整数,其中CW是基于要发送的流量的优先级选择的竞争窗口值。 对于检测到的每个空闲争用时隙,退避计数器递减。 当退避计数器达到零时,设备尝试在下一个争用时隙中进行传输。 如果设备没有收到确认或错误的确认,则传输失败。 发送失败后,通过将CW值交替加倍至用户优先级的CWmax值来设置CW。 CW在不变的情况下,如果在最后一个环境中翻倍; 如果在最后一个设置中没有变化,CW将加倍。
    • 9. 发明申请
    • Display Authenticated Security Association
    • 显示认证安全关联
    • US20120039474A1
    • 2012-02-16
    • US13208224
    • 2011-08-11
    • Jin-Meng Ho
    • Jin-Meng Ho
    • H04L9/08
    • H04L9/0844H04L9/3242
    • A system and method for establishing a mutual entity authentication and a shared secret between two devices using displayed values on each device. Unique first private keys and first public keys are assigned to both devices. The public keys are exchanged between the two devices. Both devices compute a shared secret from their own private keys and the received public keys. Both devices compute, exchange, and verify their key authentication codes of the shared secret. If verification is successful, both devices use the shared secret to generate a displayed value. One or more users compare the displayed values and provide an indication to the devices verifying whether the displays match. If the displays match, then the devices compute a shared master key, which is used either directly or via a later-generated session key for securing message communications between the two devices.
    • 一种用于在每个设备上使用显示值建立两个设备之间的相互实体认证和共享秘密的系统和方法。 唯一的第一个私钥和第一个公钥被分配给两个设备。 公钥在两个设备之间交换。 两个设备都会从自己的私钥和接收到的公钥中计算共享密钥。 两个设备都会对共享密钥的密钥验证码进行计算,交换和验证。 如果验证成功,两个设备都使用共享密钥来生成显示的值。 一个或多个用户比较显示的值,并向设备提供验证显示是否匹配的指示。 如果显示器匹配,则设备计算共享主密钥,其直接使用或经由稍后生成的会话密钥来使用,以保护两个设备之间的消息通信。
    • 10. 发明申请
    • System and Method for Simultaneous Infrastructure and Ad Hoc Networked Communications
    • 同时基础设施和网络通信的系统与方法
    • US20120033652A1
    • 2012-02-09
    • US12849797
    • 2010-08-03
    • Jin-Meng HoAriton E. Xhafa
    • Jin-Meng HoAriton E. Xhafa
    • H04W40/00H04L9/32
    • H04W88/06H04W12/06H04W74/00H04W76/20H04W84/18H04W88/04
    • A method and a system are disclosed for maintaining a simultaneous communication between a first wireless station and both an access point and a second wireless station. The first and second wireless stations are associated with the access point, or only one of the wireless stations, but not both, is associated with the access point. The first wireless station gains an instance of medium access by using applicable medium access protocols. Once the first wireless station gains an instance of medium access, it transmits frames to the access point on an infrastructure network and to the second wireless station on the same infrastructure network or an ad hoc network. The overall air time must not exceed the maximum air time allowed for the instance of medium access. All transmitted frames must have a user priority mapped to the access category for which the instance of medium access was obtained.
    • 公开了一种用于维持第一无线站与接入点和第二无线站之间的同时通信的方法和系统。 第一和第二无线站与接入点相关联,或者仅一个无线站而不是二者与接入点相关联。 第一个无线站通过使用适用的介质访问协议获得中等访问的实例。 一旦第一个无线站获得媒体访问的实例,它将帧发送到基础设施网络上的接入点和相同基础设施网络或自组织网络上的第二个无线站。 整个空中时间不得超过媒体访问实例允许的最长时间。 所有发送的帧必须具有映射到获取介质访问实例的访问类别的用户优先级。