Abstract: A method for routing a packet in a segment routing network includes extracting a destination Internet Protocol (IP) address from an IP header of the packet received by a routing node wherein the destination IP address includes a network identifier, a node identifier, a function identifier, and an argument; determining whether the network identifier and the node identifier match a routing node identifier; when the network identifier and the node identifier match the routing node identifier, determining a function to be executed based on the function identifier and the argument; when the function to be executed is determined, updating the node identifier, the function identifier, and the argument according to a segment list included in a segment routing header of the packet; and routing the packet according to the updated node identifier, the updated function identifier, and the updated argument in the destination IP address.

Abstract: A network apparatus connected with a first clock source and at least one second clock source is provided. The network apparatus includes a system clock, a slave port connected to the first clock source, at least one passive port connected to the at least one second clock source, and a processor that controls synchronization of the system clock. The processor determines, from the slave port, a first clock offset between the system clock and a clock of the first clock source. The processor determines, from the at least one passive port, at least one second clock offset between the system clock and at least one clock of the at least one second clock source. The processor determines a true clock offset based on the first clock offset and the at least one second clock offset and synchronizes the system clock using the true clock offset.

Abstract: A method for routing a packet in a segment routing network includes extracting a destination Internet Protocol (IP) address from an IP header of the packet received by a routing node wherein the destination IP address includes a network identifier, a node identifier, a function identifier, and an argument; determining whether the network identifier and the node identifier match a routing node identifier; when the network identifier and the node identifier match the routing node identifier, determining a function to be executed based on the function identifier and the argument; when the function to be executed is determined, updating the node identifier, the function identifier, and the argument according to a segment list included in a segment routing header of the packet; and routing the packet according to the updated node identifier, the updated function identifier, and the updated argument in the destination IP address.

Abstract: A network apparatus connected with a first clock source and at least one second clock source is provided. The network apparatus includes a system clock, a slave port connected to the first clock source, at least one passive port connected to the at least one second clock source, and a processor that controls synchronization of the system clock. The processor determines, from the slave port, a first clock offset between the system clock and a clock of the first clock source. The processor determines, from the at least one passive port, at least one second clock offset between the system clock and at least one clock of the at least one second clock source. The processor determines a true clock offset based on the first clock offset and the at least one second clock offset and synchronizes the system clock using the true clock offset.

Abstract: Disclosed is a device for storing and retrieving log files and testing circuits that includes a Control and Management Module, a Network Interface Module and a Serial Interface Module. The Network Interface Module connects with an SFP interface of data transport network to supply power and achieve a network connection. The Serial Interface Module connects to a serial port of equipment to store the output logs into the device. Remote management equipment can access the inventive device via telnet or other means. The device can be conveniently carried and installed and can work automatically after power up, which avoids taking additional power from the equipment room and saves on installation space.

Abstract: A first network element determines (11) that a given mobile node using mobile Internet Protocol should receive subsequent broadcast packets as may be sourced by a corresponding Home Agent. This first network element can then determine (12) whether to support such subsequent broadcast packets using a first broadcast packet handling approach or a second broadcast packet handling approach.

Abstract: In a data packet system (100) comprised of a plurality of processing platforms that are each at least potentially in-line with respect to a flow of data packets, upon receiving (401) an installation of a data packet filter, automatically selecting (402) where, from amongst that plurality of process platforms, to effect the data packet filter. This can comprise, if desired, parsing of the filter to ascertain its characterizing requirements and accessing information regarding the processing platforms to determine which platforms are capable of effecting those requirements. Numerous other factors can also be taken into account to aid in assuring an appropriate selection.

Abstract: The present invention sets forth a method for performing packet combined scheduling of dedicated transport channels for packet services in UMTS downlinks, comprising the following steps: a) prior to each DCH scheduling period, performing pre-selection processing of a transport format combination of each DPCH according to the predetermined restriction conditions for the DCH combined packet scheduling, so as to determine a usable transport format combination set for each DPCH; b) restricting a total downlink transmit power of DCHs for NRT packet services to a schedulable power not exceeding a schedulable power value in the estimation of a total downlink power during said scheduling period; c) based on the fairness of DCH transportation and the QoS requirements of the DCH-borne services, determining weighted values which the respective DCHs correspond to in the optimization of the DCH combined packet scheduling; and d) based on the results of steps a), b), and c), calculating the maximum number of bits which eac

Abstract: The present invention provides an apparatus and method of radio transmission of real-time IP packets using header compression technique. In the present invention, the size of a compressed header of an RTP packet can be adapted to length types required by the system by adding a radio link adaptation unit to the existing PDCP entity. The method comprises header-compressing the RTP packets, to obtain header-compressed RTP packets having a plurality of different header compression lengths; pre-configuring header compression lengths and length types required by the system; and PDU-size adapting the plurality of different header compression lengths of the header-compressed RTP packets, so as to comply with said lengths and length types required by the system.

Abstract: The invention relates to a method of signal transmission between a host BTS and Remote Radio Unit(s), and the BTS communication system thereof. The transmission channel between the host BTS and the Remote Radio Unit(s) uses wideband transmission links or a network, the method includes the following steps of: performing the transmission over the transmission channel using a Synchronous Digital Hierarchy (SDH)/Optical Transmission Network (OTN), forming a digital wireless signal data stream and an in-band control signaling stream transmitted over the transmission channel into a Generic Framing Procedure (GFP) frame which is further mapped to a STM-N/OTM-n frame, thereby multiplexing the digital wireless signal data stream and the in-band control signaling stream to realize SDH/OTN-based transmission.

Abstract: The invention relates to a method for transmitting a plurality of antenna signals in a wireless Base Transceiver Station (BTS) using Remote Radio Head (RRH) technology and the corresponding system. The method includes the steps of: transmitting signals over the transmit channel using Synchronous Digital Hierarchy (SDH)/Optical Transmission Network (OTN), multiplexing the plurality of antenna signals adopting the manners of time division multiplex or GFP frame-level multiplex; forming the multiplexed antenna signal stream and in-band control signaling stream into Generic Framing Procedure (GFP) frame; or forming the plurality of antenna signals and the plurality of respective control signals on the in-band control signaling channel into a plurality of respective GFP frames in parallel; and further mapping the GFP frames to STM-N/OTM-n frames, therefore multiplexing the plurality of antenna signals and the in-band control signaling stream to realize the SDH/OTN-based transmission.

Abstract: A MIMO method based on distributed transmission sources for transmitting a downlink data stream between M transmitting antennas and a mobile terminal having P receiving antennas, M and P>1, channels from at least two transmitting antennas to one of receiving antennas have different multipath distributions, comprises transmitting a different sub-data stream of M sub-data streams from the M transmitting antennas respectively to the mobile terminal by using the same spreading code: estimating multipath channel matrix of channels from the M transmitting antennas to the receiving antenna, which use the spreading code: and processing transmitted signals corresponding to the M sub-data streams received by the receiving antenna based on the multipath channel matrix of each receiving antenna, to restore the downlink data stream.

Abstract: The application discloses a method for resource management and a method for traffic guidance in a multimode radio network comprising a plurality of mobile communication networks of different modes that share wideband transmission links and sites of centralized base stations, the centralized base stations of the plurality of mobile communication networks being connected to a common base station controller or a common radio networks controller. A mobile terminal is made to perform real-time handover among different mobile communication networks, or, the allocation of the resources among the plurality of mobile communication networks is adjusted in real time, according to at least one of the following factors or the combination thereof: the multimode supporting capability of the mobile terminal, traffics of cells, operation policies and real-time operating conditions of the plurality of networks.

Abstract: A method of transmitting one or more branches of wireless signals between a channel processing unit and a remote radio frequency unit in a centralized base station, or between base stations through a packet network, each of said branches of wireless signals being a signal flow having a wireless frame period, the method comprising steps: obtaining a sample data stream of wireless signal of each branch in said wireless signals; dividing said sample data stream into consecutive data segments of fixed length; encapsulating said data segments into application protocol packets according to a predetermined protocol, each application protocol packet further including first information indicating the sequence of the data segment of the packet in all the data segments of the branch to which the data segment belongs; second information indicating payload type of the branch; third information indicating whether the data segment of the packet contains a data sample corresponding to the start of a wireless frame period; an

Abstract: A first network element determines (11) that a given mobile node using mobile Internet Protocol should receive subsequent broadcast packets as may be sourced by a corresponding Home Agent. This first network element can then determine (12) whether to support such subsequent broadcast packets using a first broadcast packet handling approach or a second broadcast packet handling approach.

Abstract: A communication method between the units of a distributed base station system, characterized by comprising: at the transmitting end, mapping a CPRI link to a GFP-T frame; encapsulating the GFP-T frame into SDH virtual containers to form a STM-N frame; and transmitting the STM-N frame via a SDH line, and at the receiving end, receiving the STM-N frame transmitted via the SDH line; separating the SDH virtual containers from the STM-N frame; extracting the GFP-T frame from the SDH virtual containers; reproducing the CPRI link from the GFP-T frame.

Abstract: A first network element determines (11) that a given mobile node using mobile Internet Protocol should receive subsequent broadcast packets as may be sourced by a corresponding Home Agent. This first network element can then determine (12) whether to support such subsequent broadcast packets using a first broadcast packet handling approach or a second broadcast packet handling approach.

Abstract: The present invention provides a method for realizing transmission of multiprotocol client signals in a distributed base station subsystem, comprising: encapsulating client signals by a GFP-T frame; and mapping the GFP-T frame into a lower-layer transmission link to realize the transmission of client signals. The lower-layer transmission link is a common public radio interface CPRI link. The client signals are one of the following: baseband I/Q signals of WCDMA supported by CPRI protocol, baseband I/Q signals of radio interface protocols other than WCDMA, structured signals of E1/T1, STM-1 and other constant-rate links, structured variable-rate link signals such as Ethernet MAC frame signals, PPP/HDLC frame signals, etc. This method is also applicable to other types of synchronous transmission links between a remote radio unit and a primary baseband processing unit, e.g., the links as specified by OBSAI (Open Base Station Architecture Initiative).

Abstract: The present invention discloses a method for transmitting signal between a central channel processing Main Unit (MU) and one or more Remote Radio Units (RRUs) by using SDH/OTN in Centralized Base Transceiver Station system using remote radio head (RRH) technology.

Abstract: The invention provides an IP switching based radio network controller. The radio network controller comprises a plurality of functional modules, at least comprising: an ATM interface module, an interface management module, a radio signaling management module and a radio bearer processing module, characterized in that, the radio network controller replaces an ATM switch with an IP switching network to achieve data and signaling exchange among the above functional modules in the radio network controller. Said functional modules respectively comprise at least one functional board, and the functions of each of the functional modules are respectively achieved in different functional boards. The radio network controller of the invention has the advantages of low cost, simple configuration and management, and easy to achieve the system.