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    • 42. 发明授权
    • End-to-end considerate link control and routing in a multihop network
    • 在多跳网络中端到端的周到的链路控制和路由
    • US08295173B2
    • 2012-10-23
    • US11919880
    • 2005-07-01
    • Peter LarssonZhang Zhang
    • Peter LarssonZhang Zhang
    • H04L1/00
    • H04L45/00H04L45/123H04L45/124H04W28/18H04W40/08H04W40/12H04W40/16H04W52/267H04W52/46Y02D70/142Y02D70/22Y02D70/324Y02D70/34
    • By introducing a novel parameter common to all links along the entire multihop route it is possible to more flexibly allocate, for each of a number of the links, a set of three interdependent link transmit parameters representative of link transmit energy, link transmit time or link transmit bandwidth or link code word consumption, and link transmit power. Basically, the common parameter is determined based on a given end-to-end (ETE) transmit parameter constraint for the entire multihop route. The idea is then to assign or allocate, for each considered link, the three interdependent link transmit parameters based on the common parameter and local link characteristics. In this way, all three link transmit parameters may (and generally will) be different between at least two links on the route when the links have different link characteristics, assuming that each link transmit parameter is also dependent on the local link characteristics. Preferably, the common parameter is determined in the process of optimizing a given objective ETE function.
    • 通过引入沿着整个多跳路线的所有链路共同的新颖参数,对于多个链路中的每一个,可以更灵活地分配一组三个相互依赖的链路传输参数,其代表链路传输能量,链路传输时间或链路 传输带宽或链路码字消耗,并链路传输功率。 基本上,基于针对整个多跳路由的给定端到端(ETE)传输参数约束来确定公共参数。 然后,该思想是根据公共参数和本地链路特性为每个考虑的链路分配或分配三个相互依赖的链路传输参数。 以这种方式,假设每个链路传输参数也取决于本地链路特性,则当链路具有不同的链路特性时,所有三个链路传输参数可能(并且通常将)在路由上的至少两个链路之间是不同的。 优选地,在优化给定的目标ETE功能的过程中确定公共参数。
    • 43. 发明授权
    • Method and arragement for advanced routing metrics in multihop networks
    • 多跳网络中高级路由指标的方法和策略
    • US08159954B2
    • 2012-04-17
    • US11792286
    • 2005-03-08
    • Peter LarssonNiklas JohanssonRong HuZhang Zhang
    • Peter LarssonNiklas JohanssonRong HuZhang Zhang
    • G06F11/00
    • H04W40/06H04L45/00H04L45/123H04W84/18Y02D70/22Y02D70/322
    • The inventors have envisioned a multihop network scenario in which nodes are equipped with advanced multi-antenna arrangements, and recognized the advantage of exploring the presence of such advanced antenna arrangements in multihop network nodes for the specific purpose of determining link cost for routing in the network. Link cost is determined for a wireless link between a pair of nodes in the network based on multi-channel characteristics between the nodes, where at least one of the nodes is configured for operation with multiple antennas to provide for multiple channels. These multi-channel characteristics may for example be determined based on explicit channel matrix estimation and/or the number of transmit and receive antennas or other information on the antenna capabilities of the involved nodes. The determined link cost information may subsequently be used together with additional routing cost information for route determination, and packet forwarding.
    • 本发明人设想了一种多跳网络场景,其中节点配备有先进的多天线布置,并且认识到在多跳网络节点中探索这种高级天线布置的存在的优点,用于确定网络中的路由的链路成本 。 基于节点之间的多信道特性来确定网络中的一对节点之间的无线链路的链路成本,其中至少一个节点被配置为使用多个天线进行操作以提供多个信道。 这些多信道特征可以例如基于显式信道矩阵估计和/或发射和接收天线的数量或涉及节点的天线能力的其他信息来确定。 所确定的链路成本信息随后可以与用于路由确定和分组转发的附加路由成本信息一起使用。
    • 46. 发明申请
    • End-to-end considerate link control and routing in a multihop network
    • 在多跳网络中端到端的周到的链路控制和路由
    • US20090052327A1
    • 2009-02-26
    • US11919880
    • 2005-07-01
    • Peter LarssonZhang Zhang
    • Peter LarssonZhang Zhang
    • H04L1/00
    • H04L45/00H04L45/123H04L45/124H04W28/18H04W40/08H04W40/12H04W40/16H04W52/267H04W52/46Y02D70/142Y02D70/22Y02D70/324Y02D70/34
    • By introducing a novel parameter common to all links along the entire multihop route it is possible to more flexibly allocate, for each of a number of the links, a set of three interdependent link transmit parameters representative of link transmit energy, link transmit time or link transmit bandwidth or link code word consumption, and link transmit power. Basically, the common parameter is determined based on a given end-to-end (ETE) transmit parameter constraint for the entire multihop route. The idea is then to assign or allocate, for each considered link, the three interdependent link transmit parameters based on the common parameter and local link characteristics. In this way, all three link transmit parameters may (and generally will) be different between at least two links on the route when the links have different link characteristics, assuming that each link transmit parameter is also dependent on the local link characteristics. Preferably, the common parameter is determined in the process of optimizing a given objective ETE function.
    • 通过引入沿着整个多跳路线的所有链路共同的新颖参数,对于多个链路中的每一个,可以更灵活地分配一组三个相互依赖的链路传输参数,其代表链路传输能量,链路传输时间或链路 传输带宽或链路码字消耗,并链路传输功率。 基本上,基于针对整个多跳路由的给定端到端(ETE)传输参数约束来确定公共参数。 然后,该思想是根据公共参数和本地链路特性为每个考虑的链路分配或分配三个相互依赖的链路传输参数。 以这种方式,假设每个链路传输参数也取决于本地链路特性,则当链路具有不同的链路特性时,所有三个链路传输参数可能(并且通常将)在路由上的至少两个链路之间是不同的。 优选地,在优化给定的目标ETE功能的过程中确定公共参数。