Abstract: A computer-implemented method for collecting usage data includes running, by a computer processor, virtual firmware at least partially in a virtual hardware layer of a virtual machine. Usage data describing the virtual machine is received, at the virtual firmware and from a kernel subsystem of the virtual machine. The usage data is transmitted from the virtual firmware to a collector on a host machine that hosts the virtual machine.

Abstract: A virtual machine system clones a parent virtual machine on a host by creating an open virtualization format (OVF) package of the parent virtual machine, creating a metainfo file of the OVF package, sending the metainfo file to a tracker, and cloning the parent virtual machine to other hosts by accessing the tracker to determine pieces of the OVF packages are located on the host and any of the other hosts, downloading the pieces of the OVF packages to the other hosts, assembling the OVF package on the other hosts, and deploying full clones of the parent virtual machine on the other hosts from the assembled OVF package.

Abstract: Various embodiments of the present invention provide a method and apparatus for parallel data processing. In one embodiment of the present invention, there is provided a method for parallel data processing, comprising: receiving baseband data corresponding to multiple antennas from uplink data; converting the baseband data from time-domain signals to frequency-domain signals; processing the frequency-domain signals at least partially in parallel by multiple processing units in a general-purpose processor so as to restore transmitted code blocks; and constructing transmission block (TB) based on the transmitted code blocks. In one embodiment of the present invention, there is provided an apparatus for parallel data processing. By means of the method and apparatus of the present invention, the parallel data processing capacity of a general-purpose data processor may be used to process, in parallel as much as possible, data in uplink data transmission and further improve the receiver operation efficiency.

Abstract: A virtual machine system clones a parent virtual machine on a host by creating an open virtualization format (OVF) package of the parent virtual machine, creating a metainfo file of the OVF package, sending the metainfo file to a tracker, and cloning the parent virtual machine to other hosts by accessing the tracker to determine pieces of the OVF packages are located on the host and any of the other hosts, downloading the pieces of the OVF packages to the other hosts, assembling the OVF package on the other hosts, and deploying full clones of the parent virtual machine on the other hosts from the assembled OVF package.

Abstract: Embodiments include methods and apparatuses for allocating computing elements in a data receiving link. Aspects include receiving baseband data in the data receiving link and allocating a computing element from a resource pool of computing elements for converting the baseband data to transmission block data.

Abstract: A rapid virtual machine (VM) cloning technique is provided that creates cloned VMs on hosts from multiple source VMs, rather than a single source VM that may otherwise be a bottleneck. The described technique selects particular hosts, disposed in particular racks, on which to create VM clones in a dynamic manner that reduces total deployment time for the plurality of VMs. A rapid VM reconfiguration technique is also provided that reduces the time spent reconfiguring the provisioned VMs for use in a distributed computing application.

Abstract: An anti-interference method and device for a wireless communication system. The method includes: receiving a RF signal; analyzing the RF signal to obtain the power variation characteristic of the RF signal; and determining a gain control method according to the power variation characteristic of the RF signal. The anti-interference methods and devices according to the embodiments of the present invention can ensure the communication quality of the wireless communication system in a case that there is strong burst interference.

Abstract: This invention relates to wireless signal process, and discloses a method for interference process of an interference signal in an OFDM based wireless communication system, comprising: receiving an interference signal; performing time domain and frequency domain analyses on the interference signal to obtain interference characteristics of the interference signal; determining an interference category of the interference signal according to the interference characteristics of the interference signal; and performing interference process on the interference signal in view of the interference category of the interference signal. The method for interference signal process of this invention is effective to both homogeneous network interference and heterogeneous network interference, so that frequency spectrum sharing of homogeneous networks and existing heterogeneous networks can be realized.

Abstract: Synchronization method and apparatus for a wireless wide band system in an interference environment. The method includes: obtaining interference information of a network; selecting at least one channel based at least in part on the interference information; and transmitting resource information through the at least one channel, wherein the resource information indicates a resource allocation determined at least in part on the interference information; and wherein a position of the at least one channel is indicated by a synchronization sequence. The present invention also provides another method and apparatus for synchronization.

Abstract: A method for realizing content sharing among mobile terminals comprises: receiving an index of access content sent by a requesting mobile terminal; looking up a shareable content index table for the index of the access content; and sending identification information of a mobile terminal having the index of the access content to the requesting mobile terminal if the index of the access content is found, so that the requesting mobile terminal obtains the requested access content from the mobile terminal having the index of the access content via wireless communication.

Abstract: A radio unit configured to connect to a baseband processing unit includes a transformation unit configured to obtain uplink time domain signal data and transform the uplink time domain signal data into uplink frequency domain signal data; and a compression unit configured to compress the uplink frequency domain signal data by using a compression algorithm.

Abstract: A radio unit configured to connect to a baseband processing unit includes a transformation unit configured to obtain uplink time domain signal data and transform the uplink time domain signal data into uplink frequency domain signal data; and a compression unit configured to compress the uplink frequency domain signal data by using a compression algorithm.

Abstract: A radio unit configured to connect to a baseband processing unit includes a transformation unit configured to obtain uplink time domain signal data and transform the uplink time domain signal data into uplink frequency domain signal data; and a compression unit configured to compress the uplink frequency domain signal data by using a compression algorithm.

Abstract: A method for realizing content sharing among mobile terminals comprises: receiving an index of access content sent by a requesting mobile terminal; looking up a shareable content index table for the index of the access content; and sending identification information of a mobile terminal having the index of the access content to the requesting mobile terminal if the index of the access content is found, so that the requesting mobile terminal obtains the requested access content from the mobile terminal having the index of the access content via wireless communication.

Abstract: A method, system and base station for implementing interference coordination. The method includes the steps of obtaining an interference coordination object; receiving interference coordination information from an object base station, parsing the interference coordination information based on the interference coordination object, and performing interference coordination by utilizing the parsed interference coordination information. The method and base station for implementing interference coordination according to the present invention can significantly improve the spectral resource utilization and the cell edge user's performance.

Abstract: A method for realizing content sharing among mobile terminals comprises: receiving an index of access content sent by a requesting mobile terminal; looking up a shareable content index table for the index of the access content; and sending identification information of a mobile terminal having the index of the access content to the requesting mobile terminal if the index of the access content is found, so that the requesting mobile terminal obtains the requested access content from the mobile terminal having the index of the access content via wireless communication.

Abstract: A rapid virtual machine (VM) cloning technique is provided that creates cloned VMs on hosts from multiple source VMs, rather than a single source VM that may otherwise be a bottleneck. The described technique selects particular hosts, disposed in particular racks, on which to create VM clones in a dynamic manner that reduces total deployment time for the plurality of VMs. A rapid VM reconfiguration technique is also provided that reduces the time spent reconfiguring the provisioned VMs for use in a distributed computing application.

Abstract: An adaptive modulation coding method includes obtaining an estimated signal-to-interference-plus-noise ratio (SINR) and a packet error rate (PER) of a communication link of a user terminal; setting a first adjustment amount of the SINR of the communication link according to the PER of the communication link; calculating an effective SINR of the communication link according to the estimated SINR of the communication link and the first adjustment amount of the SINR of the communication link; and determining a modulation coding scheme of the communication link according to the effective SINR of the communication link.

Abstract: An adaptive modulation coding method includes obtaining an estimated signal-to-interference-plus-noise ratio (SINR) and a packet error rate (PER) of a communication link of a user terminal; setting a first adjustment amount of the SINR of the communication link according to the PER of the communication link; calculating an effective SINR of the communication link according to the estimated SINR of the communication link and the first adjustment amount of the SINR of the communication link; and determining a modulation coding scheme of the communication link according to the effective SINR of the communication link.

Abstract: The present invention relates to data compression and decompression, and particularly relates to a method and an apparatus for compressing and decompressing signal data. In an embodiment of the present invention, there is disclosed a method for compressing signal data, comprising: obtaining signal data; determining block lengths of a plurality of data blocks into which the signal data are divided, and determining exponents of the data blocks; forming a mantissa sequence of the data block by using the exponent of the data block to compress signal data contained in the data block; and forming a compressed data block by using the block length, the exponent and the mantissa sequence of the data block. By constructing a variable-length data block adapted to dynamic characteristics of signal data, the method for compressing signal data of the present invention increases the compression ratio of signal data.