Abstract: Systems and techniques for contention based transmission in a cellular network. A physical uplink shared channel is used for contention based transmission by a device such as a user equipment, based at least in part on information provided by a physical uplink control channel associated with the physical uplink shared channel. In addition, a base station such as an eNodeB may respond to a physical uplink shared channel by providing a common physical downlink shared channel providing acknowledge ment/negative acknowledgement information. In addition, the base station may provide a physical downlink control channel indicating the common physical downlink shared channel.

Abstract: There are provided a code division multiplexing method as well as a transmitting device and a receiving device using the method. The method performs code division multiplexing of a plurality of signals by using a code matrix, the code matrix comprising a plurality of code words, the number of which is the same as the number of the plurality of signals, with each code word comprising a plurality of chips, the method comprising: multiplying each signal of the plurality of signals by each chip of a corresponding code word respectively; and calculating a sum of products of the respective chips in each code word and the corresponding signals to form a plurality of multiplexed signals, wherein, corresponding chips of the respective code words constitute multiple sets of chips, and only one term in differences or sums of any one set of chips and one set of chips among other sets of chips is not zero.

Abstract: A continuous variable gain amplifier includes an attenuator network, a boost network, a first amplifying network, and a second amplifying network, where the attenuator network generates first differential output signals according to an input signal and sends the first differential output signals to the first amplifying network and the second amplifying network; the first amplifying network and the second amplifying network receive one output of the first differential output signals each, and generate a first final output signal and a second final output signal respectively according to an externally input control voltage; and the boost network receives the first final output signal and the second final output signal, generates second differential output signals, and sends a first output and a second output of the second differential output signals to the first amplifying network and the second amplifying network, respectively.

Abstract: A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased.

Abstract: A method for managing a cache region including receiving a new region to be stored within the cache, the cache including multiple regions defined by one or more ranges having a starting index and an ending index, and storing the new region in the cache in accordance with a cache invariant, the cache invariant ensuring that regions in the cache are not overlapping and that the regions are stored in a specified order.

Abstract: A method including utilizing HARQ process grouping and subframe grouping to carry ACK/NACK transmissions, wherein the HARQ process grouping divides HARQ processes into one or more groups, and the subframe grouping divides a radio frame into one or more groups. The method may further include carrying ACK/NACK transmissions.

Abstract: Provided in an embodiment of the present invention are a broadcast service resource allocation method, a resource management center and an MME, the method includes: a network side receiving a tracking area update (TAU) request message reported by a user equipment (UE) after the UE moves, and determining according to the TAU request message that a first multimedia broadcast multicast service over a single frequency network (MBSFN) to which the UE belongs before the UE moves is different from a second MBSFN to which the UE belongs after the UE moves; the network side adjusting broadcasts within the first MBSFN and the second MBSFN respectively according to a service subscribed or being received by the UE.

Abstract: A system or computer usable program product for managing a cache region including receiving a new region to be stored within the cache, the cache including multiple regions defined by one or more ranges having a starting index and an ending index, and storing the new region in the cache in accordance with a cache invariant, the cache invariant ensuring that regions in the cache are not overlapping and that the regions are stored in a specified order.

Abstract: Disclosed are a broadband digital trunking service implementation method and a trunking scheduling management centre. The trunking scheduling management centre receives a trunking call establishment request, and sends a network side a trunking bearer establishment request carrying call information and a transmission bearer address according to the trunking call establishment request.

Abstract: According to an example embodiment of this application, a method may include determining a distance from a network element; and assigning at least one of a downlink resource or an uplink resource to the network element based at least in part on the determined distance, wherein the assigned resource is used for both a downlink and an uplink communication of the network element.

Abstract: The long term evolution (LTE) of the third generation partnership project may benefit from a long term evolution local area network (LTE-LAN) system, such as a portable LTE-LAN system. Moreover, an LTE-LAN system may benefit from inter-cell interference (ICI) detection for inter portable LTE-LAN interference. A method can include measuring, with a first local access point, a first power of a first uplink sequence and a second power of a second uplink sequence from at least one user equipment. The method can also include determining that the first local access point and a second local access point are interfering with one another based on a comparison of the first power and the second power.

Abstract: The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.

Abstract: The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.

Abstract: A power tool is provided with a device for automatically switching transmission output, including at least one stage of transmission part having a sun gear, a planetary gear carrier, and a gear ring for transmission, a sensing system having a sensing component for sensing variation of operating condition, and a control device cooperated with the sensing system for controlling the transmission output of the transmission part. A first transmission output is generated when the sun gear, the planetary gear carrier, and the gear ring in the same stage are in a first transmission state, and a second transmission output is generated when the variation of operating condition received by the sensing component reaches a predetermined value and then being fed back to the control device by the sensing system.

Abstract: A continuous variable gain amplifier includes an attenuator network, a boost network, a first amplifying network, and a second amplifying network, where the attenuator network generates first differential output signals according to an input signal and sends the first differential output signals to the first amplifying network and the second amplifying network; the first amplifying network and the second amplifying network receive one output of the first differential output signals each, and generate a first final output signal and a second final output signal respectively according to an externally input control voltage; and the boost network receives the first final output signal and the second final output signal, generates second differential output signals, and sends a first output and a second output of the second differential output signals to the first amplifying network and the second amplifying network, respectively

Abstract: A method for creating measurement codes automatically using an electronic device. In the method, a directory tree is created to display a plurality of feature elements. A selected feature element in the directory tree is determined; and output axes of the selected feature element are determined, according to an attribute type and a measurement type of the selected feature element. A marked number of the selected feature element is received; and a reference value, an upper tolerance, and a lower tolerance of the selected feature element are obtained. Measurement codes of the selected feature element are created according to the above-described obtained information, and the measurement codes are stored in a storage device of the electronic device.

Abstract: Disclosed are a mobile terminal and a service processing method thereof, and a baseband processing chip are disclosed in the embodiments of this invention, wherein the service processing method of the mobile terminal comprises: in response to the situation that a first user card in an on-network state is required to process a high real time service, identifying whether PS domain data being received/transmitted in a PS domain service currently processed on a second user card is the critical data for maintaining the QoS level of the PS domain service, wherein the high real time service has higher requirement to real-time than the PS domain service, and the first user card and the second user card belong to the multiple user-cards inserted in the same mobile terminal; in response to the PS domain data being received/transmitted is non-critical data, suspending the processing of the PS domain service and processing the high real time service.

Abstract: The ferrite system heat-resistant cast steel and the exhaust system component are provided, which are inexpensive and are able to improve the reliability by largely improving the toughness under normal temperature and thermal fatigue performance. The ferrite system heat-resistant cast steel includes composition structure comprised, percent by mass, of 0.1% to 0.4% carbon, 0.5% to 2.0% silicon, 0.2% to 1.2% manganese, 0.3% or less phosphorus, 0.01% to 0.4% sulfur, 14.0% to 21.0% chrome, 0.05% to 0.6% niobium, 0.01% to 0.8% aluminum, 0.15% to 2.3% nickel, residual iron and inevitable impurities.

Abstract: A method for managing a cache region including receiving a new region to be stored within the cache, the cache including multiple regions defined by one or more ranges having a starting index and an ending index, and storing the new region in the cache in accordance with a cache invariant, the cache invariant ensuring that regions in the cache are not overlapping and that the regions are stored in a specified order.

Abstract: Method of scrambling signals, transmission point device and user equipment using the method are provided. The method is for scrambling signals assigned on predetermined radio resources of at least one layer of resource blocks with the same time and frequency resources, and comprises the steps of: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence.