A serial intelligent cell (SIC) and a connection topology for local area networks using Electrically-conducting media. A local area network can be configured from a plurality of SIC's interconnected so that all communications between two adjacent SIC's is both point-to-point and bidirectional. Each SIC can be connected to one or more other SIC's to allow redundant communication paths. Communications in different areas of a SIC network are independent of one another, so that, unlike current bus topology and star topology, there is no fundamental limit on the size or extent of a SIC network. Each SIC can optionally be connected to one or more data terminals, computers, telephones, sensors, actuators, etc., to facilitate interconnectivity among such devices. Networks according to the present invention can be configured for a variety of applications, including a local telephone system, remote computer bus extender, multiplexers, PABX/PBX functionality, security systems, and local broadcasting services. The network can use dedicated wiring, as well as existing wiring as the in-house telephone or electrical wiring.

Local area network of serial intelligent cells

A device, network and method wherein a standard wireless modem is coupled to wiring for carrying a wireless baseband signal that may be OFDM based, and may be directly generated by the wireless IF modem, or extracted from the modem RF signal. The wiring may be a building utility wiring, such as telephone, AC power or CATV wiring. The baseband signal is carried simultaneously with the utility service signal over the utility wiring using Frequency Division Multiplexing. The device may be enclosed with a data unit, a standalone dedicated enclosure, within an outlet or as a plug-in outlet adapter. Data units may couple the device by a wiring port such as standard data connector, or via wireless connection. The device may be locally powered or via a power signal carried over the wiring. This abstract is not intended to limit or construe the scope of the claims.

System and method for carrying a wireless based signal over wiring

A method and system suitable for supporting various wireless services on a Distributed Antenna System (DAS). The DAS can provide wireless services including voice and data services using the same equipment. The DAS can include one or more active antenna units controlled by an access point, and includes control channels for transferring control and status information between the access point and the antenna. The control channels can be transferred over a separate cable, or transferred using one or more intermediate frequency signals transferred over existing cables. The control channels can be used to configure and control and receive status from the managed components of the DAS including active antennas, control the amplifiers used to process TDD signals, and control the switching of diversity antenna systems.

Method and system for real time control of an active antenna over a distributed antenna system

Radio-frequency (RF) integrated circuit (RFIC) chip(s) allow for the integration of multiple electronic circuits on a chip to provide distributed antenna system functionalities. RFIC chips are employed in central unit and remote unit components, reducing component cost and size, increasing performance and reliability, while reducing power consumption. The components are also easier to manufacture. The RFIC chip(s) can be employed in distributed antenna systems and components that support RF communications services and/or digital data services.

Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods

An enterprise network includes at least one communication device 208 - 1 , an Open Systems Interconnect (OSI) Layer 2 switch 206 , and a corresponding enterprise switch 208 . The communication device 208 - 1 is connected to at least one of an access point 904 - 1 and a respective port 207 - 1 of the Layer 2 switch 206 . The enterprise network includes a plurality of Emergency Location Information Numbers (ELINs) corresponding to differing segments of the enterprise network. The Layer 2 switch 206 serves at least one of the differing segments. The communication device 208 - 1 includes a discovery agent 252 operable, when a predetermined first event occurs, to obtain from the Layer 2 switch 206 at least one of an access point identifier, a switch identifier from the Layer 2 switch 206 , and a port identifier identifying the respective port 207 - 1.

Advanced port-based E911 strategy for IP telephony

A memory device comprises a memory array having corresponding first access control bits to control access thereto. A second set of access control bits is provided to control write access to the first access control bits. The memory array is divided into memory blocks, each block having a corresponding access control bit. At least one such block is further subdivided into pages, each page having a corresponding control bit.

Memory device having programmable access protection and method of operating the same

A client on a network is provided with auxiliary low power logic, at the network adoptor, that is always active and simulates network traffic (e.g., Ethernet format) normally sent under control of the main client system processor(s). This logic collects client status information and reports to the network manager, even when the system CPU is powered down, information which allows the network manager to exercise broader control and perform maintenance and upgrades which would otherwise require a dialog with the user and/or limit maintenance and reconfiguration of the client system to off-hours activity.

Automatic reconfiguration system for change in management servers having protocol destination addresses

A method, apparatus, and computer program product are disclosed in a data processing system for establishing virtual endorsement credentials. The data processing system includes a hardware trusted platform module (TPM). Logical partitions are generated in the system. A different virtual TPM is generated for each one of the logical partitions. For each one of the logical partitions, the virtual TPM that was generated for the logical partition then dynamically generates a virtual endorsement credential for use by the logical partition that includes the virtual TPM. The virtual endorsement credential is generated within the data processing system without the data processing system or its devices accessing a trusted third party that is external to the data processing system.

Method, apparatus, and product for establishing virtual endorsement credentials for dynamically generated endorsement keys in a trusted computing platform

A network includes a plurality of wall plates, each of the wall plates couples a network resource such as a computer or a network attached device to the network and includes an RFID circuit to detect proximate devices having an RFID tag. The proximate devices can be network attached devices or non network attached devices such as desks, phones, and artwork. Logic is included within each wall plate which includes wall plate physical location information. The logic is designed to respond to a broadcast signal. In so doing, the physical location of any resource can be determined. The physical location of all known resources are provided to an inventory application in the network, thereby allowing network administrators and users to remotely determine the physical location (room, floor, building, etc.) of any and all known resources attached to the network. Likewise, local computer users are able to identify the network resources located in their vicinity.

Determining the physical location of resources on and proximate to a network

Enhanced security in controlling access to data files stored in a read/write storage device is achieved in that the storage device may be specifically linked to a specific computer system, and linked in such a way that access will be granted only when a series of exchanges exemplary of that linkage occurs. Access to data stored in a read/write storage device is to be granted only when the device is associated with a specific computer system and further only when appropriate password entry is verified by the storage device. Trusted Computing Platform capabilities of the system are used in implementing the enhancement of security.

Controlling access to data stored on a storage device of a trusted computing platform system

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