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公开(公告)号:US07461191B2
公开(公告)日:2008-12-02
申请号:US11106766
申请日:2005-04-15
申请人: Matthias Baer , Falk Tischer , Oliver Goetting , Peer Schlegel
发明人: Matthias Baer , Falk Tischer , Oliver Goetting , Peer Schlegel
CPC分类号: G06F13/1605 , Y02D10/14 , Y10S370/913
摘要: A memory access technique is provided that may be used in WLAN (Wireless Local Area Network) communication devices. An on-chip memory has multiple memory circuits forming individually addressable memory segments. An arbitration unit arbitrates between multiple requesters, each requesting access to the on-chip memory. The requesters are on-chip circuits and/or external devices. The arbitration unit determines a memory circuit to be accessed for each request that is received from a requester. The determination may be based on a software configurable arbitration scheme. The memory segments may form a bank of single-port SRAM (Static Random Access Memory) devices.
摘要翻译: 提供了可用于WLAN(无线局域网)通信设备中的存储器访问技术。 片上存储器具有形成单独可寻址存储器段的多个存储器电路。 仲裁单元在多个请求者之间仲裁,每个请求者请求访问片上存储器。 请求者是片上电路和/或外部设备。 仲裁单元确定要从请求者接收的每个请求访问的存储器电路。 该确定可以基于软件可配置仲裁方案。 存储器段可以形成一组单端口SRAM(静态随机存取存储器)装置。
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公开(公告)号:US20060047910A1
公开(公告)日:2006-03-02
申请号:US11106766
申请日:2005-04-15
申请人: Matthias Baer , Falk Tischer , Oliver Goetting , Peer Schlegel
发明人: Matthias Baer , Falk Tischer , Oliver Goetting , Peer Schlegel
IPC分类号: G06F12/14
CPC分类号: G06F13/1605 , Y02D10/14 , Y10S370/913
摘要: A memory access technique is provided that may be used in WLAN (Wireless Local Area Network) communication devices. An on-chip memory has multiple memory circuits forming individually addressable memory segments. An arbitration unit arbitrates between multiple requesters, each requesting access to the on-chip memory. The requesters are on-chip circuits and/or external devices. The arbitration unit determines a memory circuit to be accessed for each request that is received from a requester. The determination may be based on a software configurable arbitration scheme. The memory segments may form a bank of single-port SRAM (Static Random Access Memory) devices.
摘要翻译: 提供了可用于WLAN(无线局域网)通信设备中的存储器访问技术。 片上存储器具有形成单独可寻址存储器段的多个存储器电路。 仲裁单元在多个请求者之间进行仲裁,每个请求者请求访问片上存储器。 请求者是片上电路和/或外部设备。 仲裁单元确定要从请求者接收的每个请求访问的存储器电路。 该确定可以基于软件可配置仲裁方案。 存储器段可以形成一组单端口SRAM(静态随机存取存储器)装置。
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公开(公告)号:US08811618B2
公开(公告)日:2014-08-19
申请号:US10899200
申请日:2004-07-26
申请人: Ingo Kuehn , Uwe Eckhardt , Axel Wachtler , Falk Tischer
发明人: Ingo Kuehn , Uwe Eckhardt , Axel Wachtler , Falk Tischer
IPC分类号: H04L29/06
CPC分类号: H04L63/0435 , H04L63/06 , H04W12/02 , H04W12/04 , H04W84/12
摘要: A ciphering key management technique for use in a WLAN receiver is provided where a hash table is stored that has a first and a second table portion. The first table portion stores transmitter address data and the second table portion stores at least one cipher key. It is determined whether a transmitter address matches transmitter address data in the first table portion, and if so, a corresponding cipher key stored in the second table portion is determined for use in decrypting the received data. The hash table technique allows for a fast search for the correct cipher key. Embodiments are described that allow for dynamically adding and removing keys without blocking the search.
摘要翻译: 提供了一种在WLAN接收机中使用的加密密钥管理技术,其中存储具有第一和第二表部分的哈希表。 第一表部分存储发射机地址数据,第二表部分存储至少一个加密密钥。 确定发射机地址是否匹配第一表部分中的发射机地址数据,如果是,则确定存储在第二表部分中的相应密码密钥用于解密所接收的数据。 散列表技术允许快速搜索正确的密钥。 描述了允许动态地添加和移除键而不阻止搜索的实施例。
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公开(公告)号:US20050169480A1
公开(公告)日:2005-08-04
申请号:US10899200
申请日:2004-07-26
申请人: Ingo Kuehn , Uwe Eckhardt , Axel Wachtler , Falk Tischer
发明人: Ingo Kuehn , Uwe Eckhardt , Axel Wachtler , Falk Tischer
CPC分类号: H04L63/0435 , H04L63/06 , H04W12/02 , H04W12/04 , H04W84/12
摘要: A ciphering key management technique for use in a WLAN receiver is provided where a hash table is stored that has a first and a second table portion. The first table portion stores transmitter address data and the second table portion stores at least one cipher key. It is determined whether a transmitter address matches transmitter address data in the first table portion, and if so, a corresponding cipher key stored in the second table portion is determined for use in decrypting the received data. The hash table technique allows for a fast search for the correct cipher key. Embodiments are described that allow for dynamically adding and removing keys without blocking the search.
摘要翻译: 提供了一种在WLAN接收机中使用的加密密钥管理技术,其中存储具有第一和第二表部分的哈希表。 第一表部分存储发射机地址数据,第二表部分存储至少一个加密密钥。 确定发射机地址是否匹配第一表部分中的发射机地址数据,如果是,则确定存储在第二表部分中的相应密码密钥用于解密所接收的数据。 散列表技术允许快速搜索正确的密钥。 描述了允许动态地添加和移除键而不阻止搜索的实施例。
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