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    • 1. 发明授权
    • Adaptive time division duplexing method and apparatus for dynamic bandwidth allocation within a wireless communication system
    • 用于无线通信系统内的动态带宽分配的自适应时分双工方法和装置
    • US07486639B2
    • 2009-02-03
    • US11114662
    • 2005-04-26
    • Kenneth L. StanwoodJames F. MollenauerIsrael Jay KleinSheldon L. GilbertRami Hadar
    • Kenneth L. StanwoodJames F. MollenauerIsrael Jay KleinSheldon L. GilbertRami Hadar
    • H04G7/00
    • H04W72/0413H04L5/0064H04L5/0092H04L2012/5607H04L2012/561H04Q11/0478H04W4/06H04W8/24H04W28/0268H04W28/06H04W28/14H04W56/0005H04W60/00H04W72/0406H04W72/042H04W72/044H04W72/0453H04W72/048H04W72/10H04W74/06
    • An adaptive time division duplexing (ATDD) method and apparatus for duplexing transmissions on a communication link in wireless communication systems. Communication link efficient is enhanced by dynamically adapting to the uplink and downlink bandwidth requirements of the communication channels. Time slots are flexibly and dynamically allocated for uplink or downlink transmissions depending upon the bandwidth needs of a channel. Communication link bandwidth requirements are continuously monitored using sets of predetermined bandwidth requirement parameters. Communication channels are configured to have either symmetric or asymmetric uplink/downlink bandwidths depending upon the needs of the channel. Channel bandwidth asymmetry can be configured alternatively in favor of the uplink transmissions (i.e., more time slots are allocated for uplink transmissions than for downlink transmissions) or in favor of the downlink transmissions (i.e., more time slots are allocated for downlink transmissions than for uplink transmissions). A myriad of time slot allocation schemes are possible. One simplified time slot allocation scheme uses a “frame-based” approach. A preferred channel bandwidth analysis technique is disclosed which monitors and updates bandwidth requirement parameters associated with communication sessions, base stations and cell cluster controllers. In accordance with this technique, a communication session is preferably assigned both an “initial” and an “actual” set of bandwidth parameters.
    • 一种用于在无线通信系统中的通信链路上双工传输的自适应时分双工(ATDD)方法和装置。 通过动态地适应通信信道的上行链路和下行链路带宽需求来增强通信链路的有效性。 根据信道的带宽需求,时隙被灵活地动态分配用于上行链路或下行链路传输。 使用预定带宽需求参数的集合来连续监视通信链路带宽要求。 根据信道的需要,通信信道被配置为具有对称或不对称的上行链路/下行链路带宽。 信道带宽不对称可以配置为有利于上行链路传输(即,为上行链路传输分配更多的时隙而不是针对下行链路传输)或有利于下行链路传输(即,为下行链路传输分配更多的时隙而不是上行链路 传输)。 无数次时隙分配方案是可能的。 一个简化的时隙分配方案使用“基于帧”的方法。 公开了一种优选的信道带宽分析技术,其监测和更新与通信会话,基站和小区集群控制器相关联的带宽需求参数。 根据该技术,通信会话优选地分配“初始”和“实际”带宽参数集合。
    • 2. 发明授权
    • Radio communication device for radio packet communication system
    • 用于无线电分组通信系统的无线电通信装置
    • US06977913B1
    • 2005-12-20
    • US09744358
    • 1999-07-21
    • Kenichi IshiiTomoki Osawa
    • Kenichi IshiiTomoki Osawa
    • H04B7/26H04L12/28H04L29/08H04W4/00H04W72/04H04W74/08H04W84/12H04G7/00
    • H04W72/02H04L69/324H04W76/10H04W92/18
    • A radio communication apparatus in a radio packet communication system constituted by a plurality of radio stations and having a plurality of radio channels is provided. To allow radio stations belonging to different radio links to directly communicate with each other, when a packet as data is to be transmitted, a channel control section (101) inquires of a channel registration section (102) about a radio channel used for reception by a radio station corresponding to the destination address in input transmission data, and a radio channel used for packet transmission is selected. The packet is then transmitted from a transmission/reception section (103) via the selected radio channel. When a packet is to be received, the radio channel in the transmission/reception section (103) is switched to the self-station radio channel stored in a self-station channel storage section (104).
    • 提供了由多个无线电台构成并具有多个无线信道的无线分组通信系统中的无线通信装置。 为了允许属于不同无线电链路的无线电站彼此直接通信,当作为数据的分组将被发送时,信道控制部分(101)向信道注册部分(102)询问关于用于接收的无线电信道, 选择对应于输入发送数据中的目的地地址的无线电台,以及用于分组发送的无线电信道。 然后经由所选择的无线电信道从发送/接收部分(103)发送分组。 当要接收分组时,发送/接收部分(103)中的无线电信道被切换到存储在自身站信道存储部分(104)中的自站无线电信道。
    • 3. 发明授权
    • Method and apparatus for allocating bandwidth in a wireless communication system
    • 在无线通信系统中分配带宽的方法和装置
    • US06925068B1
    • 2005-08-02
    • US09316518
    • 1999-05-21
    • Kenneth L. StanwoodJames F. MollenauerIsrael Jay KleinSheldon L. Gilbert
    • Kenneth L. StanwoodJames F. MollenauerIsrael Jay KleinSheldon L. Gilbert
    • H04J3/00H04B7/212H04L12/28H04L12/56H04Q11/04H04W4/06H04W28/04H04W28/06H04W28/14H04W28/20H04W72/04H04W74/00H04W74/06H04G7/00
    • H04W72/0413H04L5/0064H04L5/0092H04L2012/5607H04L2012/561H04Q11/0478H04W4/06H04W8/24H04W28/0268H04W28/06H04W28/14H04W56/0005H04W60/00H04W72/0406H04W72/042H04W72/044H04W72/0453H04W72/048H04W72/10H04W74/06
    • An adaptive time division duplexing (ATDD) method and apparatus for duplexing transmissions on a communication link in wireless communication systems. Communication link efficiency is enhanced by dynamically adapting to the uplink and downlink bandwidth requirements of the communication channels. Time slots are flexibly and dynamically allocated for uplink or downlink transmissions depending upon the bandwidth needs of a channel. Communication link bandwidth requirements are continuously monitored using sets of pre-determined bandwidth requirement parameters. Communication channels are configured to have either symmetric or asymmetric uplink/downlink bandwidths depending upon the needs of the channel. Channel bandwidth asymmetry can be configured alternatively in favor of the uplink transmissions.(i.e., more time slots are allocated for uplink transmissions than for downlink transmissions) or in favor of the downlink transmissions (i.e., more time slots are allocated for downlink transmissions than for uplink transmissions). A myriad of time slot allocation schemes are possible. One simplified time slot allocation scheme uses a “frame-based” approach. A preferred channel bandwidth analysis technique is disclosed which monitors and updates bandwidth requirement parameters associated with communication sessions, base stations and cell cluster controllers. In accordance with this technique, a communication session is preferably assigned both an “initial” and an “actual” set of bandwidth parameters.
    • 一种用于在无线通信系统中的通信链路上双工传输的自适应时分双工(ATDD)方法和装置。 通过动态适应通信信道的上行链路和下行链路带宽要求,提高通信链路效率。 根据信道的带宽需求,时隙被灵活地动态分配用于上行链路或下行链路传输。 使用预定带宽需求参数的集合来连续监视通信链路带宽要求。 根据信道的需要,通信信道被配置为具有对称或不对称的上行链路/下行链路带宽。 信道带宽不对称可以配置为有利于上行链路传输(即,为上行链路传输分配更多的时隙而不是针对下行链路传输)或有利于下行链路传输(即,为下行链路传输分配更多的时隙,而不是针对 上行链路传输)。 无数次时隙分配方案是可能的。 一个简化的时隙分配方案使用“基于帧”的方法。 公开了一种优选的信道带宽分析技术,其监测和更新与通信会话,基站和小区集群控制器相关联的带宽需求参数。 根据该技术,通信会话优选地分配“初始”和“实际”带宽参数集合。