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公开(公告)号：EP3142394B1
公开(公告)日：2020-02-19
申请号：EP16194907.8
申请日：2007-04-12
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公开(公告)号：EP2223563B1
公开(公告)日：2016-12-07
申请号：EP08862956.3
申请日：2008-12-15
IPC分类号： H04W72/04
CPC分类号： H04W74/006 , H04W8/24 , H04W74/0833
摘要： A communications network (10) comprises a base station (28) and a wireless terminal (30) which communicates over an air interface (32) with the base station (28). The base station (28) makes an identification or categorization of the wireless terminal (30) during a ranging procedure. The identification or categorization concerns whether or not the wireless terminal (30) has an enhanced capability. The categorization is made on a basis of a transmission characteristic of the wireless terminal (30). The base station (28) can then communicate with the wireless terminal (30) in a manner to utilize the enhanced capability of the wireless terminal (30).
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公开(公告)号：EP2119079B1
公开(公告)日：2016-11-09
申请号：EP07748397.2
申请日：2007-04-12
IPC分类号： H04W4/18
CPC分类号： H04W72/0406 , H04B2201/709727 , H04W4/18 , H04W48/08 , H04W72/082
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公开(公告)号：EP2266275B1
公开(公告)日：2014-08-06
申请号：EP09731428.0
申请日：2009-04-09
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/005 , H04L5/0051 , H04L27/2613 , H04W72/0446
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公开(公告)号：EP2208315B1
公开(公告)日：2014-02-26
申请号：EP08794147.2
申请日：2008-08-14
CPC分类号： H04L5/0007 , H04J11/0069 , H04L27/0008 , H04L27/2601
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公开(公告)号：EP2422480A2
公开(公告)日：2012-02-29
申请号：EP10726577.9
申请日：2010-04-23
CPC分类号： H04L49/9094 , H04L1/0003 , H04L1/0009 , H04L5/0007 , H04L5/0042 , H04L5/0046 , H04L5/006 , H04L43/0894 , H04L43/16 , H04L47/70 , H04L47/74 , H04L47/781 , H04W28/065 , H04W28/22 , H04W72/044 , H04W72/048 , H04W72/12 , Y02D70/146
摘要： A base station in an OFDMA system which determines a modulation and coding scheme to use for a packet of a certain size to be transmitted by a Mobile Station. The base station schedules transmissions by mobile stations and transmits packets. The base station includes a processing unit which determines a number of time-frequency resources required to transmit the packet for a modulation and coding scheme, determines an SINR based on the number of time-frequency resources used and available power at the mobile station, determines a transmission rate as a ratio of the packet size transmitted to the number of time-frequency resources used, sets a rate to zero if the determined SINR is lower than a threshold SINR required for the modulation and coding scheme, and selects the modulation and coding scheme with a highest transmission rate. The base station includes a memory storing modulation and coding schemes.
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公开(公告)号：EP2195984B1
公开(公告)日：2011-04-27
申请号：EP08835616.7
申请日：2008-09-11
CPC分类号： H04L27/0008 , H04L1/0083 , H04L1/1607 , H04L5/0007 , H04L5/0091 , H04L25/0204
摘要： A radio access network (RAN) (20) comprise a base station (28) and a wireless terminal (30). The base station 28 comprises a transceiver (38) and a frame handler (40), the wireless terminal (30) comprises a transceiver (48) and a wireless terminal frame handler (50). The frame handlers (40, 50) handle a enhanced frame F having enhanced frame structure. At least a down link portion of the frame is formatted and handled in a manner whereby the frame can be perceived as a first format type of frame if the wireless terminal is a first type of wireless terminal and perceived as an enhanced or second format type of frame if the wireless terminal is a second type of wireless terminal. The frame handler configures the frame as plural sub frames, each sub frame having a down link burst followed by an up link burst. The frame is preferably configured to afford the second type of wireless terminal sufficient time to develop an acknowledgement for a message transmitted in a down link burst, the acknowledgement being sent to the base station in an up link burst which is within one frame length of the message.
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公开(公告)号：EP2195984A2
公开(公告)日：2010-06-16
申请号：EP08835616.7
申请日：2008-09-11
CPC分类号： H04L27/0008 , H04L1/0083 , H04L1/1607 , H04L5/0007 , H04L5/0091 , H04L25/0204
摘要： A radio access network (RAN) (20) comprise a base station (28) and a wireless terminal (30). The base station 28 comprises a transceiver (38) and a frame handler (40), the wireless terminal (30) comprises a transceiver (48) and a wireless terminal frame handler (50). The frame handlers (40, 50) handle a enhanced frame F having enhanced frame structure. At least a down link portion of the frame is formatted and handled in a manner whereby the frame can be perceived as a first format type of frame if the wireless terminal is a first type of wireless terminal and perceived as an enhanced or second format type of frame if the wireless terminal is a second type of wireless terminal. The frame handler configures the frame as plural sub frames, each sub frame having a down link burst followed by an up link burst. The frame is preferably configured to afford the second type of wireless terminal sufficient time to develop an acknowledgement for a message transmitted in a down link burst, the acknowledgement being sent to the base station in an up link burst which is within one frame length of the message.
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9.发明公开DELTA MODULATION FOR CHANNEL FEEDBACK IN TRANSMIT DIVERSITY WIRELESS COMMUNICATION SYSTEMS 审中-公开增量调制对于与发送分集无线通信系统的信道反馈
公开(公告)号：EP1774690A1
公开(公告)日：2007-04-18
申请号：EP05761829.0
申请日：2005-07-15
CPC分类号： H04B7/0626 , H04B7/0641 , H04L25/0214 , H04L25/0228 , H04L25/03343 , H04L2025/03802
摘要： A method is described herein for reducing the number of feedback bits needed to send channel state information over a feedback channel from a receiving unit (102; 104) (e.g., mobile terminal, base station) to a transmitter unit (104; 102) (e.g., base station, mobile terminal) in a wireless communication system (100). In the embodiment, the receiver unit (102; 104) is capable of performing the following steps: receiving a pilot signal from a transmit antenna located at a transmitter unit (104; 102); analyzing a channel tap associated with the transmit antenna (106-1; 106-2 … 106-3) and exploiting the temporal correlations of the channel tap to generate the following (i) a delta-modulated feedback bit indicative of a real part of a complex coefficient of the channel tap associated with the transmit antenna (106-1; 106-2 … 106-3) and (ii) a delta-modulated feedback bit indicative of an imaginary part of the complex coefficient of the channel tap associated with the transmit antenna; and (3) sending the two feedback bits over a feedback channel to the transmitter unit (104; 102) which analyzes the two feedback bits, and other feedback bits corresponding to other channel taps of this and other transmit antennas (106-1; 106-2 … 106-3), to optimize the subsequent transmission of data to the receiver unit (102; 104).
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10.发明授权AGGREGATION OF RESOURCES OVER MULTIPLE FRAMES IN A TDD COMMUNICATION SYSTEM 有权EINEM TDD-KOMMUNIKATIONSSYSTEM中的RESSOURCENANHÄUFUNGÜBERMEHRERE框架
公开(公告)号：EP2272293B1
公开(公告)日：2017-01-25
申请号：EP09738462.2
申请日：2009-04-28
CPC分类号： H04W72/042 , H04L5/0007 , H04W72/0446
摘要： According to embodiments of the present invention, multiple frames or sub-frames on an uplink channel may be aggregated into one logical unit for demodulation and decoding to allow one data packet to span over multiple frames. Multi-frame aggregation is enabled by modifying the uplink resource allocation messages transmitted to the user terminals. The multi-frame resource allocation message includes a BEGIN FLAG field indicating whether a corresponding frame is the first frame in a multi-frame allocation and a REMAINING RESOURCES field to indicate the number of units (e.g., slots or frames) remaining in the multi-frame allocation.
摘要翻译： 根据本发明的实施例，上行链路信道上的多个帧或子帧可以聚合成一个逻辑单元用于解调和解码，以允许一个数据分组跨越多个帧。 通过修改发送到用户终端的上行链路资源分配消息来启用多帧聚合。 多帧资源分配消息包括一个BEGIN FLAG字段，指示对应的帧是多帧分配中的第一帧还是剩余资源字段，以指示多帧分配中剩余的单元数量（例如，时隙或帧） 帧分配。
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