公开(公告)号：US20040179497A1

公开(公告)日：2004-09-16

申请号：US10767016

申请日：2004-01-29

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  James A. Proctor JR.

IPC: H04B007/216

CPC classification number: H04W72/04 ,  H04J3/1682 ,  H04J13/16 ,  H04L1/0007 ,  H04L1/165 ,  H04L1/1809 ,  H04L25/14 ,  H04L47/14 ,  H04L47/283 ,  H04L47/29 ,  H04L47/30 ,  H04L47/70 ,  H04L47/762 ,  H04L47/803 ,  H04L47/824 ,  H04Q11/0428 ,  H04Q2213/13098 ,  H04Q2213/13202 ,  H04Q2213/13204 ,  H04Q2213/13209 ,  H04Q2213/13216 ,  H04Q2213/1327 ,  H04Q2213/13298 ,  H04Q2213/13332 ,  H04Q2213/1336 ,  H04Q2213/13389 ,  H04W24/00 ,  H04W28/0257 ,  H04W28/06 ,  H04W28/14 ,  H04W72/0406 ,  H04W72/0453 ,  H04W72/0486 ,  H04W72/1242 ,  H04W72/1252 ,  H04W74/00 ,  H04W76/10 ,  H04W80/00 ,  H04W84/14

Abstract: A base station provides wireless communication of digital signals over digital communication paths, with the digital signals being communicated using radio frequency channels via Code Division Multiple Access (CDMA) modulated radio signals. The base station includes a wireless transceiver for establishing communication sessions over the digital communication paths, and buffers for storing data to be transmitted by the wireless transceiver. Each buffer is associated with a particular digital communication path and has a threshold associated with a level of data stored therein. A transmission processor allocates code channels within the radio frequency channels to transmit the stored data during the communication sessions. A channel resource assignor connected to the transmission processor monitors a level of data stored in each buffer and computes an urgency factor for each buffer based upon the threshold associated therewith. The urgency factor represents a relative need for transmitting the stored data over the particular digital communication path associated with that buffer. The channel resource assignor compares the computed urgency factors for buffers for determining how many code channels are to be allocated to each digital communication path.

Abstract translation: 基站通过数字通信路径提供数字信号的无线通信，数字信号通过码分多址（CDMA）调制的无线电信号使用射频信道进行通信。 基站包括用于通过数字通信路径建立通信会话的无线收发器，以及用于存储要由无线收发器发送的数据的缓冲器。 每个缓冲器与特定的数字通信路径相关联并且具有与存储在其中的数据级别相关联的阈值。 发送处理器在无线电频率信道内分配码信道，以在通信会话期间发送所存储的数据。 连接到发送处理器的信道资源分配器监视存储在每个缓冲器中的数据的级别，并且基于与其相关联的阈值来计算每个缓冲器的紧急因素。 紧急因素代表了通过与该缓冲器相关联的特定数字通信路径发送存储的数据的相对需要。 信道资源分配器将计算出的缓冲器的紧急因素进行比较，以确定要向每个数字通信路径分配多少代码信道。

公开(公告)号：US20040145530A1

公开(公告)日：2004-07-29

申请号：US10462569

申请日：2003-06-16

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  Kenneth M. Gainey

IPC: H01Q019/06

CPC classification number: H04W16/28 ,  H04B7/0408 ,  H04W72/046 ,  H04W74/0808 ,  H04W88/02

Abstract: Methods of scheduling optimization of communications used with Wireless Local Area Network (WLAN) equipment that employs steerable directional antennas. The methods may use and are compatible with Media Access Control (MAC) layers of IEEE 802.11 group of standards. The methods do not depend on any particular PHY layer standard.

Abstract translation: 使用无线局域网（WLAN）设备采用可转向定向天线的通信调度优化方法。 这些方法可以使用并与IEEE 802.11标准组的媒体访问控制（MAC）层相兼容。 这些方法不依赖于任何特定的PHY层标准。

公开(公告)号：US20040180696A1

公开(公告)日：2004-09-16

申请号：US10767326

申请日：2004-01-29

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  James A. Proctor JR.

IPC: H04M001/00

CPC classification number: H04W72/04 ,  H04J3/1682 ,  H04J13/16 ,  H04L1/0007 ,  H04L1/165 ,  H04L1/1809 ,  H04L25/14 ,  H04L47/14 ,  H04L47/283 ,  H04L47/29 ,  H04L47/30 ,  H04L47/70 ,  H04L47/762 ,  H04L47/803 ,  H04L47/824 ,  H04Q11/0428 ,  H04Q2213/13098 ,  H04Q2213/13202 ,  H04Q2213/13204 ,  H04Q2213/13209 ,  H04Q2213/13216 ,  H04Q2213/1327 ,  H04Q2213/13298 ,  H04Q2213/13332 ,  H04Q2213/1336 ,  H04Q2213/13389 ,  H04W24/00 ,  H04W28/0257 ,  H04W28/06 ,  H04W28/14 ,  H04W72/0406 ,  H04W72/0453 ,  H04W72/0486 ,  H04W72/1242 ,  H04W72/1252 ,  H04W74/00 ,  H04W76/10 ,  H04W80/00 ,  H04W84/14

Abstract: A base station provides wireless communication of digital signals, with the digital signals being communicated in frames using a radio frequency channel via Code Division Multiple Access (CDMA) modulated radio signals. The base station includes a wireless transceiver for establishing a communication session over a digital communication path, and a bandwidth management module connected to the wireless transceiver for allocating a code channel within the radio frequency channel for the digital communication path to exchange digital signals during the communication session. The bandwidth management module also divides a current frame of digital signals into subframes to be transmitted within the code channel. The wireless transceiver transmits the subframes over the digital communication path, and receives feedback over the digital communication path on the subframes received with errors. The bandwidth management module adjusts a size of each subframe received with errors to a more efficient subframe size to be retransmitted over the digital communication path.

Abstract translation: 基站提供数字信号的无线通信，数字信号通过码分多址（CDMA）调制的无线电信号使用射频信道在帧中传送。 基站包括用于在数字通信路径上建立通信会话的无线收发器，以及连接到无线收发器的带宽管理模块，用于在数字通信路径内分配用于数字通信路径的代码信道以在通信期间交换数字信号 会话 带宽管理模块还将当前的数字信号帧划分为要在码信道内发送的子帧。 无线收发器通过数字通信路径发送子帧，并且通过数字通信路径接收到具有错误的子帧的反馈。 带宽管理模块将通过错误接收的每个子帧的大小调整为通过数字通信路径重传的更有效的子帧大小。

公开(公告)号：US20040100905A1

公开(公告)日：2004-05-27

申请号：US10302797

申请日：2002-11-21

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  Kevin P. Johnson

IPC: H04L012/26

CPC classification number: H04L47/10 ,  H04L47/14 ,  H04L47/29 ,  H04L47/326

Abstract: Random early detection (RED) controlled loss (i.e., discarding data packets) is determined as a function of change in processing gain assigned by a resource management system in a data network having a communications link between first and second network nodes. Rather than triggering RED controlled loss as a function of buffer levels, triggering is determined as a function of change in processing gain caused by, for example, a change in code rate, modulation technique, error (e.g., bit error rate or frame error rate), signal-to-noise ratio (SNR) or carrier-to-interference (C/I) level, or a number of traffic code channels or TDMA slots assigned to the nodes. In a wireless data network, this technique may be deployed in a base station or access terminal. A tight coupling between the physical layer and link layer is provided using this technique.

Abstract translation: 根据具有第一和第二网络节点之间的通信链路的数据网络中的资源管理系统分配的处理增益的变化来确定随机早期检测（RED）控制丢失（即，丢弃数据分组）。 不是将RED控制的损耗触发为缓冲器电平的函数，触发被确定为由例如代码率，调制技术，错误（例如，误码率或帧错误率）引起的处理增益变化的函数 ），信噪比（SNR）或载波干扰（C / I）级别，或分配给节点的多个业务码信道或TDMA时隙。 在无线数据网络中，该技术可以部署在基站或接入终端中。 使用该技术提供物理层和链路层之间的紧密耦合。

公开(公告)号：US20020106991A1

公开(公告)日：2002-08-08

申请号：US09777557

申请日：2001-02-05

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  Kevin L. Farley

IPC: H04B001/00

CPC classification number: H04W28/08 ,  H04W24/00 ,  H04W76/10 ,  H04W80/00

Abstract: In a TCP/IP network, congestion control techniques such as slow start and congestion avoidance are employed. Such networks include wired and wireless links. However, normal operation of the wireless links exhibit different latencies than those exhibited over the wired link. The protocols employed in the wired network do not lend themselves well to efficient communication over wireless connections, and can cause slow start to be triggered. Determining when a sender will timeout due to non-receipt of an ACK, and intervening with a suppression message having an advertised window of zero to pause the user, are employed to prevent congestion control mechanisms such as slow start and congestion avoidance from activation

Abstract translation: 在TCP / IP网络中，采用诸如缓慢启动和拥塞避免等拥塞控制技术。 这样的网络包括有线和无线链路。 然而，无线链路的正常操作显示出不同于通过有线链路展现的延迟。 有线网络中使用的协议不利于通过无线连接的有效通信，并且可能导致启动缓慢的启动。 确定由于未接收到ACK而发送方将超时，并且介入具有通告窗口为零的抑制消息以暂停用户，以防止拥塞控制机制，例如缓慢启动和拥塞避免从激活

公开(公告)号：US20010021197A1

公开(公告)日：2001-09-13

申请号：US09773252

申请日：2001-01-31

Applicant: Tantivy Communications, Inc.

Inventor： Lawrence R. Foore ,  James A. Proctor JR.

IPC: H04J003/16

CPC classification number: H04W72/04 ,  H04J3/1682 ,  H04J13/16 ,  H04L1/0007 ,  H04L1/165 ,  H04L1/1809 ,  H04L25/14 ,  H04L47/14 ,  H04L47/283 ,  H04L47/29 ,  H04L47/30 ,  H04L47/70 ,  H04L47/762 ,  H04L47/803 ,  H04L47/824 ,  H04Q11/0428 ,  H04Q2213/13098 ,  H04Q2213/13202 ,  H04Q2213/13204 ,  H04Q2213/13209 ,  H04Q2213/13216 ,  H04Q2213/1327 ,  H04Q2213/13298 ,  H04Q2213/13332 ,  H04Q2213/1336 ,  H04Q2213/13389 ,  H04W24/00 ,  H04W28/0257 ,  H04W28/06 ,  H04W28/14 ,  H04W72/0406 ,  H04W72/0453 ,  H04W72/0486 ,  H04W72/1242 ,  H04W72/1252 ,  H04W74/00 ,  H04W76/10 ,  H04W80/00 ,  H04W84/14

Abstract: A technique for providing high speed data service over standard wireless connections via an unique integration of protocols and existing cellular signaling, such as is available with Code Division Multiple Access (CDMA) type systems through more efficient allocation of access to CDMA channels. For example, when more users exist than channels, the invention determines a set of probabilities for which users will require channel access at which times, and dynamically assigns channel resources accordingly. Channel resources are allocated according to a buffer monitoring scheme provided on forward and reverse links between a base station and multiple subscriber units. Each buffer is monitored over time for threshold levels of data to be transmitted in that buffer. For each buffer, a probability is calculated that indicates how often the specific buffer will need to transmit data and how much data will be transmitted. This probability takes into account the arrival rates of data into the buffer, as well as which thresholds within the buffer are exceeded, as well as which resources in the form of channels are already allocated to the subscriber unit.

Abstract translation: 一种通过标准无线连接提供高速数据业务的技术，通过独特的协议和现有蜂窝信令的集成，例如通过对CDMA信道进行更有效的接入分配可用于码分多址（CDMA）型系统。 例如，当存在比频道更多的用户时，本发明确定用户在哪个时间需要信道接入的概率集合，并相应地动态分配信道资源。 根据在基站和多个用户单元之间的前向和反向链路上提供的缓冲器监视方案来分配信道资源。 随着时间的推移监视每个缓冲区，以便在该缓冲区中传输数据的阈值级别。 对于每个缓冲区，计算概率，指示特定缓冲区需要传输数据的频率以及将传输多少数据。 这个概率考虑到数据到达缓冲器的速率以及超过缓冲器内的哪个阈值，以及信道形式的哪些资源已经被分配给用户单元。