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1. 发明公开

EP1133848A1 BANDWIDTH EFFICIENT ACKNOWLEDGEMENT/NEGATIVE ACKNOWLEDEGMENT 审中-公开
标题翻译：带宽有效的确认/否认
公开(公告)号：EP1133848A1
公开(公告)日：2001-09-19
申请号：EP99963752.3
申请日：1999-11-24
申请人： Telefonaktiebolaget L M Ericsson (Publ)
发明人： KHAN, Farooq , JÄVERBRING, Stefan , FURUSKÄR, Anders , WALLMAN, Mattias
IPC分类号： H04L1/18
CPC分类号： H04L1/1809 , H04L1/1614 , H04L1/1621
摘要： A method and technique are provided for efficiently acknowledging transmitted information in a system that employs variable rate data transmission, and skips data block sequence numbers depending on the transmission rate used. An RBB field in an ACK/NACK message includes a starting sequence number, an indication of a sequence number step, and a bitmap. The starting sequence number indicates a first block in a series or sequence of transmitted blocks that are being acknowledged via the ACK/NACK message. The sequence number step indicates a minimum difference between sequence numbers of blocks in the sequence. Where the sequence is ordered, the sequence number step is a difference between the sequence numbers of adjacent or consecutive blocks in the series. The bitmap is configured so that each bit in the bitmap represents an acknowledgment of one of blocks in the series. The RBB field can also include multiple starting sequence numbers, and both a sequence number step and a length for each starting sequence number. Each set of starting sequence number, sequence number step and length indicates a subseries or subsequence of the series of transmitted blocks that is being acknowledged via the ACK/NACK message. The starting sequence number indicates a sequence number of a first block in the subsequence, the length indicates how many blocks are in the subsequence, and the sequence number step indicates a difference between sequence numbers of adjacent blocks in the subsequence.

2. 发明公开

EP1106004A1 LOW COMPLEXITY DECISION FEEDBACK SEQUENCE ESTIMATION 有权
标题翻译：决定BACK综合影响估计低复杂度
公开(公告)号：EP1106004A1
公开(公告)日：2001-06-13
申请号：EP99943586.0
申请日：1999-08-17
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ)
发明人： JÄVERBRING, Stefan
IPC分类号： H04L25/03 , H03M13/00
CPC分类号： H03M13/6331 , H03M13/39 , H03M13/41 , H03M13/6502 , H03M13/6505 , H04L25/03197 , H04L25/03235
摘要： A Decision Feedback Sequence Estimator (DFSE) metric is determined by storing one or more tables of Decision Feedback Estimation (DFE) hypotheses in a memory, and then using values of the DFE hypotheses that are retrieved from storage to determine the DFSE metric. The DFE hypotheses may be precalculated (509) and stored into the memory (511) prior to performance of any retrieval operation. Alternatively, the table may start out empty, and the DFE hypotheses may be determined as needed for a particular DFSE metric computation. The determined DFE metric may then be stored into a table for later retrieval if the metric is needed again. The DFE hypotheses may be stored into a single table or, to reduce memory requirements and computational complexity, may be stored into corresponding ones of plural tables. MLSE hypotheses, which are also used in the DFSE metric determination, may similarly be stored into one or more tables (503, 505) for later retrieval as needed.

3. 发明授权

EP1106004B1 LOW COMPLEXITY DECISION FEEDBACK SEQUENCE ESTIMATION 有权
标题翻译：决定BACK综合影响估计低复杂度
公开(公告)号：EP1106004B1
公开(公告)日：2011-10-05
申请号：EP99943586.0
申请日：1999-08-17
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： JÄVERBRING, Stefan
IPC分类号： H04L25/03 , H03M13/00
CPC分类号： H03M13/6331 , H03M13/39 , H03M13/41 , H03M13/6502 , H03M13/6505 , H04L25/03197 , H04L25/03235
摘要： A Decision Feedback Sequence Estimator (DFSE) metric is determined by storing one or more tables of Decision Feedback Estimation (DFE) hypotheses in a memory, and then using values of the DFE hypotheses that are retrieved from storage to determine the DFSE metric. The DFE hypotheses may be precalculated (509) and stored into the memory (511) prior to performance of any retrieval operation. Alternatively, the table may start out empty, and the DFE hypotheses may be determined as needed for a particular DFSE metric computation. The determined DFE metric may then be stored into a table for later retrieval if the metric is needed again. The DFE hypotheses may be stored into a single table or, to reduce memory requirements and computational complexity, may be stored into corresponding ones of plural tables. MLSE hypotheses, which are also used in the DFSE metric determination, may similarly be stored into one or more tables (503, 505) for later retrieval as needed.

4. 发明公开

EP1153494A1 METHOD AND SYSTEM FOR CONTROL SIGNALLING ENABLING FLEXIBLE LINK ADAPTATION IN A RADIOCOMMUNICATION SYSTEM 有权
标题翻译：用于控制消息的方法和系统以允许在无线通信系统柔性连接调整
公开(公告)号：EP1153494A1
公开(公告)日：2001-11-14
申请号：EP00909845.0
申请日：2000-02-11
申请人： Telefonaktiebolaget L M Ericsson (Publ)
发明人： JÄVERBRING, Stefan , ERICSSON, Stefan , WALLMAN, Mattias , FURUSKÄR, Anders
IPC分类号： H04L1/12 , H04L1/18
CPC分类号： H04L1/0016 , H04L1/0003 , H04L1/0009 , H04L1/0025 , H04L1/0026 , H04L1/12 , H04L1/1819 , H04L1/1845
摘要： Control signalling for systems employing link adaptation and incremental redundancy is described. A link adaptation/incremental redundancy message can be transmitted from a receiving entity to a transmitting entity to inform the transmitting entity of the receiving entity's incremental redundancy status or preference. Another message, which indicates whether resegmentation should be performed for retransmitted blocks can also be transmitted from a receiving entity to a transmitting entity. Both of these messages can be used by the transmitting entity to determine an appropriate modulation/coding scheme for subsequent transmissions of both original data blocks and retransmitted data blocks. The messages can be used together or independently in either link (uplink or downlink) between a base station and a mobile station in a radiocommunication system.

5. 发明授权

EP1123602B1 COMBINED HYBRID AUTOMATIC RETRANSMISSION REQUEST SCHEME 有权
标题翻译：联合混合模型的自动变速器AUFORDERUNG REPEAT
公开(公告)号：EP1123602B1
公开(公告)日：2011-09-07
申请号：EP99965612.7
申请日：1999-10-22
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： NYSTRÖM, Johan , FURUSKÄR, Anders , JÄVERBRING, Stefan , KHAN, Farooq
IPC分类号： H04L1/18
CPC分类号： H04L1/1607 , H04L1/0059 , H04L1/0069 , H04L1/1816 , H04L1/1819 , H04L1/1845 , H04L1/188
摘要： A transmitter operates using a scheme that allows receivers using either Type I Hybrid ARQ or receivers using Type II Hybrid ARQ to successfully receive and decode blocks from a common transmitter without the need for the transmitter be informed of which scheme is being employed by the receivers.

6. 发明公开

EP1236019A1 METHOD AND APPARATUS FOR RECURSIVE DATA FILTERING 有权
标题翻译： DEVICE AND METHOD FOR递归数据滤波
公开(公告)号：EP1236019A1
公开(公告)日：2002-09-04
申请号：EP00983628.9
申请日：2000-12-01
申请人： Telefonaktiebolaget L M Ericsson (Publ)
发明人： JÄVERBRING, Stefan , FURUSKÄR, Anders , ERIKSSON, Stefan
IPC分类号： G01D1/00
CPC分类号： G01D1/00
摘要： An apparatus and method for recursive filtering of time discrete measurement data bni(50) relating to a measurable time-varying attribute to generate an estimated magnitude for the attribute at a particular time instant n. Each measurement has an associated reliability indicator Xni(52) representing a relative reliability of the measurement. Using the individual reliability indicators and a time-weighted filtered reliability indicator Zn-1 for a prior time instant, a filtered reliability indicator zn (58) for the current time instant is generated. The filtered reliability indicator for the current time instant is then used to reliability-weight a weighted average (bn) of the plurality of measurements and to reliability-weight a time-weighted estimated magnitude sn-1 for the prior time instant. The weighted values are then used to generate an estimated magnitude sn (68) of the time-varying attribute for the current time instant.

7. 发明公开

EP1123602A1 COMBINED HYBRID AUTOMATIC RETRANSMISSION REQUEST SCHEME 有权
标题翻译：联合混合模型的自动变速器AUFORDERUNG REPEAT
公开(公告)号：EP1123602A1
公开(公告)日：2001-08-16
申请号：EP99965612.7
申请日：1999-10-22
申请人： Telefonaktiebolaget L M Ericsson (Publ)
发明人： NYSTRÖM, Johan , FURUSKÄR, Anders , JÄVERBRING, Stefan , KHAN, Farooq
IPC分类号： H04L1/18
CPC分类号： H04L1/1607 , H04L1/0059 , H04L1/0069 , H04L1/1816 , H04L1/1819 , H04L1/1845 , H04L1/188
摘要： A transmitter operates using a scheme that allows receivers using either Type I Hybrid ARQ or receivers using Type II Hybrid ARQ to successfully receive and decode blocks from a common transmitter without the need for the transmitter be informed of which scheme is being employed by the receivers.

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