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    • 1. 发明申请
    • Method and system for packing management messages in a communication system
    • 在通信系统中包装管理消息的方法和系统
    • US20070110103A1
    • 2007-05-17
    • US11512667
    • 2006-08-29
    • Ofer ZimmermanBrian SpinarKenneth Stanwood
    • Ofer ZimmermanBrian SpinarKenneth Stanwood
    • H04B7/00H04J3/24
    • H04L41/00
    • A method and apparatus for packing management messages in a broadband wireless communication system. Management messages are sent across a link in packets addressed to a particular connection, where the address identifies messages which may be specially treated. Such special treatment may include recognition of an overall message conveyed in such packets as containing one or more implicit messages embedded within the overall message. Two methods are disclosed to efficiently convey such management messages. First, each packet of information sent across the link may include a message type identifier, in which case it need not be repeated in the payload of the packet, and a number of such messages may be sent within a packet. Second, a packet of information may contain mixed management messages, in which case the byte with the message type identifier should be included with each such message. In this case, an overall message may be constructed from individual management messages simply concatenated together. Using either method, the management messages are packed into packets so that messages in a first packet may be parsed and acted upon without a need for any subsequent packets which may be necessary to convey an entire message. This is accomplished by taking any message which will not fit in a first packet may be made to be ignored, such as by being replaced with a padding pattern. In this way, any subsequent packet will have management messages which begin at the start of the effective data payload. Padding may also be added before or after an end of message or trailer information which defines the end of an overall message.
    • 一种用于在宽带无线通信系统中包装管理消息的方法和装置。 管理消息通过寻址到特定连接的数据包中的链路发送,其中该地址标识可被特别处理的消息。 这种特殊处理可以包括识别在包含在整个消息中嵌入的一个或多个隐式消息的分组中传达的整体消息。 公开了两种方法来有效地传送这样的管理消息。 首先,通过链路发送的每个信息包可以包括消息类型标识符,在这种情况下,它不需要在分组的有效载荷中重复,并且可以在分组内发送多个这样的消息。 第二,信息包可能包含混合管理消息,在这种情况下,每个这样的消息都应该包含具有消息类型标识符的字节。 在这种情况下,可以将单个管理消息简单地并入到一起构成整体消息。 使用任一方法,将管理消息打包成分组,使得可以解析和执行第一分组中的消息,而不需要传送整个消息所必需的任何后续分组。 这是通过采取不适合第一分组的任何消息来实现的,例如通过用填充模式替换可以被忽略。 以这种方式,任何后续的分组将具有从有效数据有效载荷的开始开始的管理消息。 也可以在定义整个消息结束的消息或预告片信息结束之前或之后添加填充。
    • 3. 发明申请
    • Method and apparatus for bandwidth request/grant protocols in a wireless communication system
    • 无线通信系统中带宽请求/授权协议的方法和装置
    • US20050089064A1
    • 2005-04-28
    • US10978903
    • 2004-11-01
    • Ofer ZimmermanKenneth StanwoodYair Bourlas
    • Ofer ZimmermanKenneth StanwoodYair Bourlas
    • H04L12/28H04L12/56H04Q11/04H04W28/04H04W28/14H04W28/20H04W72/00H04W72/04H04W72/14H04W88/08H04J3/14
    • H04Q11/0478H04L2012/5607H04L2012/561H04W28/14H04W28/20H04W72/1236H04W72/14
    • A method and apparatus for allocating bandwidth in a broadband wireless communication system is disclosed. One embodiment uses a self-correcting bandwidth request/grant protocol. The self-correcting bandwidth request/grant protocol utilizes a combination of incremental and aggregate bandwidth requests. CPEs primarily transmit incremental bandwidth requests to their associated base stations, followed by periodic transmissions of aggregate bandwidth requests. The use of periodic aggregate bandwidth requests (that express the current state of their respective connection queues) allows the bandwidth allocation method and apparatus to be “self-correcting”. Another embodiment utilizes an abridged bandwidth request/grant protocol to allocate bandwidth. The abridged bandwidth request/grant protocol system utilizes padding packets to request a reduction in bandwidth allocation to a CPE. A base station modem alerts a base station CPU when the BS modem receives a padding packet from a CPE. After alerting the BS CPU the method can reduce the associated CPE's bandwidth allocation.
    • 公开了一种用于在宽带无线通信系统中分配带宽的方法和装置。 一个实施例使用自校正带宽请求/授权协议。 自校正带宽请求/授权协议使用增量和聚合带宽请求的组合。 CPE主要向其相关联的基站发送增量带宽请求,随后是聚合带宽请求的周期性传输。 使用周期性聚合带宽请求(表示其相应连接队列的当前状态)允许带宽分配方法和装置“自校正”。 另一个实施例利用了一个节省带宽的请求/授权协议来分配带宽。 精简带宽请求/授权协议系统利用填充分组来请求减少对CPE的带宽分配。 当BS调制解调器从CPE接收填充分组时,基站调制解调器提醒基站CPU。 在提醒BS CPU之后,该方法可以减少相关CPE的带宽分配。
    • 4. 发明申请
    • Method and system for adapatively obtaining bandwidth allocation requests
    • 用于适应性获取带宽分配请求的方法和系统
    • US20060146863A1
    • 2006-07-06
    • US11350474
    • 2006-02-08
    • Brian SpinarKenneth Stanwood
    • Brian SpinarKenneth Stanwood
    • H04L12/403H04Q7/24H04Q7/00H04L12/42H04J3/16H04J3/22
    • H04W28/20H04W28/06H04W28/18H04W72/0413H04W72/042H04W72/0453H04W74/06
    • A method and apparatus for adaptively obtaining bandwidth requests in a broadband wireless communication system, The method and apparatus includes dynamically varying technique combinations enabling a plurality of users to efficiently request bandwidth from a shared base station. A user may “piggyback” a new bandwidth request upon, or set a “poll-me bit” within, presently allocated bandwidth. A base station may poll users, individually or in groups, by allocating unrequested bandwidth for new requests. Polling may respond to a “poll-me bit,” and/or it may be adaptively periodic at a rate based on communication status parameters, such as recent communication activity and connection QoS levels Group polling permits a possibility of collisions. Polling policies may be established for dynamically varying user groups, or may be determined for each user. Dynamic selection of appropriate polling techniques makes use of efficiency benefits associated with each technique.
    • 一种用于在宽带无线通信系统中自适应地获得带宽请求的方法和装置。所述方法和装置包括动态变化的技术组合,使得多个用户能够有效地从共享基站请求带宽。 用户可以在当前分配的带宽内“搭载”新的带宽请求,或设置“轮询我位”。 基站可以通过为新请求分配未请求的带宽来单独或分组地轮询用户。 轮询可以响应“轮询我位”,和/或可以以基于通信状态参数(例如最近的通信活动和连接QoS等级)的速率自适应地周期性组合轮询允许冲突的可能性。 可以为动态变化的用户组建立轮询策略,或者可以为每个用户确定轮询策略。 适当轮询技术的动态选择利用与每种技术相关的效率优势。
    • 9. 发明申请
    • SYSTEMS AND METHODS FOR INTELLIGENT DISCARD IN A COMMUNICATION NETWORK
    • 通信网络中智能查询的系统和方法
    • US20110292796A1
    • 2011-12-01
    • US13207159
    • 2011-08-10
    • Kenneth StanwoodDavid Gell
    • Kenneth StanwoodDavid Gell
    • H04W28/08
    • H04L47/32H04L41/0645H04L41/0893H04L41/0896H04L41/5009H04L41/5035H04L41/5067H04L47/12H04L47/20H04W28/24
    • Systems and methods for optimizing system performance of capacity and spectrum constrained, multiple-access communication systems by selectively discarding packets are provided. The systems and methods provided herein can drive changes in the communication system using control responses. One such control responses includes the optimal discard (also referred to herein as “intelligent discard”) of network packets under capacity constrained conditions. Some embodiments provide an interactive response by selectively discarding packets to enhance perceived and actual system throughput, other embodiments provide a reactive response by selectively discarding data packets based on their relative impact to service quality to mitigate oversubscription, others provide a proactive response by discarding packets based on predicted oversubscription, and others provide a combination thereof
    • 提供了通过选择性地丢弃数据包来优化容量和频谱约束的系统性能的多址通信系统的系统和方法。 本文提供的系统和方法可以使用控制响应来驱动通信系统中的变化。 一种这样的控制响应包括在容量限制条件下的网络分组的最佳丢弃(在本文中也称为“智能丢弃”)。 一些实施例通过选择性地丢弃分组以提高感知和实际的系统吞吐量来提供交互式响应,其他实施例通过根据其对服务质量的相对影响选择性地丢弃数据分组来提供反应性响应,以减轻超额预订,其他实施例通过基于分组丢弃来提供主动响应 预测超额预订,其他提供其组合
    • 10. 发明申请
    • System and method for wireless communication in a time division duplexing region
    • 时分双工区域无线通信系统和方法
    • US20080107049A1
    • 2008-05-08
    • US11969770
    • 2008-01-04
    • Kenneth StanwoodIsrael Klein
    • Kenneth StanwoodIsrael Klein
    • H04J3/00
    • H04B7/2621H04B7/2656H04B7/2687
    • A method and system for using half-duplex base stations and half-duplex nodes in a Frequency Division Duplexing region to provide wireless connectivity between the half-duplex base stations and customers in multiple sectors of a cell. The method and system can use two physical channels to form two logical channels. Each logical channel shares both physical channels during alternating frames of time. The half-duplex nodes can include a millimeter-wave band frequency synthesizer configured to transmit and receive on different channels to and from the half-duplex base station. Re-use patterns of the physical channels are used for deployment of half-duplex base stations and half-duplex nodes in the FDD region to minimize co-channel interference and interference due to uncorrelated rain fade. Additional methods and systems utilize full-duplex base stations and smart antenna to communicate with the half-duplex nodes.
    • 一种在频分双工区域中使用半双工基站和半双工节点的方法和系统,用于提供半双工基站与小区多个扇区中的客户之间的无线连接。 该方法和系统可以使用两个物理信道来形成两个逻辑信道。 每个逻辑信道在交替的时间帧期间共享物理信道。 半双工节点可以包括毫米波频率频率合成器,其被配置为在与半双工基站的不同信道上进行发送和接收。 物理信道的重用模式用于在FDD区域中部署半双工基站和半双工节点,以使由于不相关的降雨衰落引起的同信道干扰和干扰最小化。 其他方法和系统利用全双工基站和智能天线与半双工节点进行通信。