公开(公告)号：US20090304096A1

公开(公告)日：2009-12-10

申请号：US12132927

申请日：2008-06-04

申请人： Ahmed Khattab ,  Ashutosh Sabharwal ,  Edward W. Knightly

发明人： Ahmed Khattab ,  Ashutosh Sabharwal ,  Edward W. Knightly

IPC分类号： H04K1/10

CPC分类号： H04L27/00 ,  H04B7/0413 ,  H04B7/0691 ,  H04B7/0874

摘要： A system and method for simultaneous and asynchronous transmissions in multi-antenna multi-hop networks. The system and method employ randomized and non-greedy resource allocation to counter starvation. The system and method define a class of asynchronous random access protocols subsuming MIMO systems via two components. Residual Capacity Estimation and Randomized Resource Allocation. The system and method realize the first asynchronous MIMO MAC protocol that counters flow starvation in multi-hop networks. Randomized and non-greedy antenna allocation coupled with local residual capacity estimation results in previously-starving nodes capturing a fair share of system resources while simultaneously exploiting throughput gains available to multi-antenna systems.

摘要翻译： 一种用于多天线多跳网络同步和异步传输的系统和方法。 该系统和方法采用随机和非贪心资源分配来应对饥饿。 该系统和方法通过两个组件定义了一类异步随机接入协议，分组MIMO系统。 剩余容量估算和随机资源分配。 该系统和方法实现了多跳网络中流量不足的第一种异步MIMO MAC协议。 随机和非贪心天线分配与局部剩余容量估计相结合，导致先前挨饿的节点捕获公平的系统资源份额，同时利用多天线系统可用的吞吐量增益。

公开(公告)号：US09768992B2

公开(公告)日：2017-09-19

申请号：US12132927

申请日：2008-06-04

申请人： Ahmed Khattab ,  Ashutosh Sabharwal ,  Edward W. Knightly

发明人： Ahmed Khattab ,  Ashutosh Sabharwal ,  Edward W. Knightly

IPC分类号： H04L27/00 ,  H04B7/0413 ,  H04B7/06 ,  H04B7/08

CPC分类号： H04L27/00 ,  H04B7/0413 ,  H04B7/0691 ,  H04B7/0874

摘要： A system and method for simultaneous and asynchronous transmissions in multi-antenna multi-hop networks. The system and method employ randomized and non-greedy resource allocation to counter starvation. The system and method define a class of asynchronous random access protocols subsuming MIMO systems via two components. Residual Capacity Estimation and Randomized Resource Allocation. The system and method realize the first asynchronous MIMO MAC protocol that counters flow starvation in multi-hop networks. Randomized and non-greedy antenna allocation coupled with local residual capacity estimation results in previously-starving nodes capturing a fair share of system resources while simultaneously exploiting throughput gains available to multi-antenna systems.

公开(公告)号：US08958362B2

公开(公告)日：2015-02-17

申请号：US13594046

申请日：2012-08-24

申请人： Eugenio Magistretti ,  Omer Gurewitz ,  Edward W. Knightly

发明人： Eugenio Magistretti ,  Omer Gurewitz ,  Edward W. Knightly

IPC分类号： H04B7/212 ,  H04W4/00

CPC分类号： H04W74/08 ,  H04L1/1692 ,  H04L27/2656 ,  H04L27/2663

摘要： A method for transmitting data from a sender to a receiver over a channel. The method includes identifying the receiver, obtaining an initiation correlated symbol sequence (CSS) associated with the receiver, transmitting the initiation CSS, where the sender and the receiver are configured to communicate over the channel, where the channel is a frequency band in a radio-frequency spectrum. The method further includes receiving a first reservation CSS from the receiver signaling that the receiver has reserved the channel in order to receive the data from the sender. In response to receiving the first reservation CSS, transmitting the data to the receiver, and receiving an acknowledgment CSS from the receiver signaling that the receiver has received the data from the sender.

摘要翻译： 一种通过信道从发送方向接收方发送数据的方法。 该方法包括识别接收机，获得与接收机相关联的起始相关符号序列（CSS），发送起始CSS，其中发送方和接收方被配置为通过信道进行通信，其中信道是无线电中的频带 频谱 该方法还包括从接收器发送信号接收第一预留CSS，接收者已经预留了信道以便从发送者接收数据。 响应于接收到第一预留CSS，将数据发送到接收机，并且从接收者接收到确认接收者已经从发送者接收到数据的信令。

公开(公告)号：US20140056231A1

公开(公告)日：2014-02-27

申请号：US13594046

申请日：2012-08-24

申请人： Eugenio Magistretti ,  Omer Gurewitz ,  Edward W. Knightly

发明人： Eugenio Magistretti ,  Omer Gurewitz ,  Edward W. Knightly

IPC分类号： H04W72/04

CPC分类号： H04W74/08 ,  H04L1/1692 ,  H04L27/2656 ,  H04L27/2663

摘要： A method for transmitting data from a sender to a receiver over a channel. The method includes identifying the receiver, obtaining an initiation correlated symbol sequence (CSS) associated with the receiver, transmitting the initiation CSS, where the sender and the receiver are configured to communicate over the channel, where the channel is a frequency band in a radio-frequency spectrum. The method further includes receiving a first reservation CSS from the receiver signaling that the receiver has reserved the channel in order to receive the data from the sender. In response to receiving the first reservation CSS, transmitting the data to the receiver, and receiving an acknowledgment CSS from the receiver signaling that the receiver has received the data from the sender.

摘要翻译： 一种通过信道从发送方向接收方发送数据的方法。 该方法包括识别接收机，获得与接收机相关联的起始相关符号序列（CSS），发送起始CSS，其中发送方和接收方被配置为通过信道进行通信，其中信道是无线电中的频带 频谱 该方法还包括从接收器发送信号接收第一预留CSS，接收者已经预留了信道以便从发送者接收数据。 响应于接收到第一预留CSS，将数据发送到接收机，并且从接收者接收到确认接收者已经从发送者接收到数据的信令。