101 results about "Cell index" patented technology

Provided are a method and an apparatus for transmitting a reception confirmation in a wireless system. A terminal determines at least one downlink sub-frame for ACK/NACK feedback from each of a plurality of serving cells and determines the number of ACK/NACK bits for the plurality of serving cells. The terminal generates bundled ACK/NACK bits by arraying the ACK/NACK bits in the ascending order of the cell index of the plurality of serving cells, and transmits the bundled ACK/NACK bits.

The present specification discloses a method for allowing user equipment (UE) to concurrently access a plurality of cells. The method may comprise the steps of: setting connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells; receiving, from the one cell, first cell indexes for the FDD-based cells, and second cell indexes for the FDD-based cells; and setting connection with a secondary cell indicated by any one of the first cell indexes and the second cell indexes. Here, at least one value of the first cell indexes may overlap with at least one of the second cell indexes.

A feedback method and apparatus is provided for facilitating feedback in a Cooperative Multi-Point (CoMP) system in which multiple base stations cooperate with each other for downlink transmission to a terminal. The feedback method of a terminal includes determining whether the terminal is operating in cooperative multi-point mode for receiving data from a plurality of cells; estimating, when the terminal is operating in cooperative multi-point mode, channels of the cells belonging to a measurement set based on channel status information reference signals for the cells; selecting at least one best cell based on a signal-to-interference plus noise ratio based on the estimated channels; and feeding back a cell index and channel information of the best cell.

The present invention includes a method of measuring cytolytic activity including providing a device capable of monitoring cell-substrate impedance operably connected to an impedance analyzer, adding target cells to at least one well of the device, adding effector cells to the at least one well, monitoring impedance of the at least one well and optionally determining a cell index from the impedance, wherein monitoring impedance includes measuring impedance during at least one time point before and at least one time point after adding effector cells, and determining viability of said target cells after adding effector cells by comparing the impedance or optionally the cell index at the at least one time point after adding effector cells to the impedance or optionally the cell index at the at least one time point before adding effector cells

If a plurality of channel state information reports corresponding to different cells have collided (Yes in step S2408), a mobile station device 1 selects two channel state information reports in accordance with priorities of report types and cell indices of cells, and drops the other channel state information reports (step S2412). The mobile station device 1 transmits the selected two channel state information reports using a resource for PUCCH format 3, which is used in case of collision of a plurality of channel state information reports corresponding to different cells (step S2414).

The invention discloses a pilot frequency distribution method and a device, which relate to the technical field of communication and are used for solving the technical problem of low pilot frequency use efficiency in the prior art. The method comprises the following steps: according to the number of base stations, the number of users and the large-scale fading factor, the users are divided into afirst user group user with low interference intensity and a second user group user with high interference intensity; a plurality of user clusters are obtained by clustering analysis for a user of a second user group, and the user cluster is marked as a first user cluster if the user source cell indexes in each user cluster are all the same, otherwise, the user cluster is marked as a second user cluster; the pilot sequence of all cells is divided, a first pilot set is acquired to assign its pilot sequence to a first user group user, a second pilot set is acquired to assign its pilot sequence toa first user cluster user in the first user cluster, and a third pilot set is acquired to assign its pilot sequence to a second user cluster user in the second user cluster. The invention is used forimproving the use efficiency of the pilot frequency.

An apparatus including a processor to receive search criteria including a data value for a search within a data field; in response to the receipt of the query instructions, and for each data cell within a super cell, perform the specified search by comparing the data value to ranges of values indicated in a corresponding cell index to determine whether the data cell includes a data record meetingthe search criteria, and in response to a determination that the data cell includes such a data record, use a unique values index in the cell index to search the data records of the data cell to identify one or more data records meeting the search criteria; and in response to identifying at least one data record meeting the search criteria, provide an indication that at least the data cell includes at least one data record meeting the search criteria.

Methods, systems, and devices are described for wireless communication in a system that supports enhanced carrier aggregation (eCA). An eCA configuration with a large number of component carriers (CCs) may include CCs grouped into channel state information (CSI) reporting groups. Channel state reports for the CCs in each group may be reported together. In some cases, individual CC reports may be multiplexed into a single report, and in other cases a single channel state report may contain information related to each CC in the group. The combined reports may be transmitted over an uplink control channel or an uplink data channel, or both. Collisions between reports may be resolved based on the reporting type of the groups or the serving cell indices of the CCs in the group.

The invention discloses a mobile communication system, network equipment, terminal equipment and a data scheduling method, and the method comprises the following steps: searching a PDCCH set which comprises at least two repeated PDCCHs and is used for scheduling one target PDSCH set; wherein the value of the DAI field of each PDCCH in the PDCCH set is determined according to the position sequenceof the DAI field in the PDCCH set; wherein the position sequencing is that at least one numerical value of a monitoring moment, a serving cell index, a bandwidth part index, a CORESET index, a searchspace index and a CCE index is arranged from small to large according to an identifier of a transmission resource occupied by each PDCCH in the PDCCH set; determining the number of bits of the HARQ-ACK codebook and each piece of HARQ-ACK information according to the searched DAI field of the PDCCH; and sending the HARQ-ACK codebook. The invention further comprises a mobile communication network device, a terminal device and a system which apply the method. By using the dynamic HARQ-ACK codebook determined by the sorting mode of the DAI in the downlink control channel in the invention, the timedelay requirement and the efficiency requirement of uplink control information transmission in an NR system are met.

The invention discloses a hybrid automatic repeat request feedback method, which comprises the following steps that: in an HARQ-ACK codebook, HARQ-ACK information of M PDSCHs (Physical Downlink SharedChannel) is contained, the M PDSCHs are scheduled by a first type of PDCCHs, and the first type of PDCCHs are used for activating SPS configuration; the sequence of the HARQ-ACK information of the MPDSCHs in the HARQ-ACK codebook is arranged according to at least one parameter value in a cell index, a BWP index, an SPS configuration index and a PDSCH transmission moment where the M PDSCHs are located respectively. The embodiment of the invention also comprises a hybrid automatic repeat request feedback method under the participation of the second type of PDCCH for releasing the SPS and the dynamically configured third type of PDCCH. The invention further comprises terminal equipment and network equipment which apply the method. According to the method and the device, the problem of how to generate the HARQ-ACK codebook when multiple PDSCHs are configured under the SPS configuration condition is solved.

A method and an apparatus are provided for generating feedback in a communication system. The method includes receiving information about first Evolved Node Bs (ENBs) and a threshold for the first ENBs, which are powered off at a specific time; measuring a channel status for each of second ENBs, which are subject to channel status measurement; selecting a third ENB having an optimal channel status from among the second ENBs, based on the measured channel statuses; generating first feedback information including a cell index and channel status information for the third ENB; measuring a channel status for each of the second ENBs, while the first ENBs are powered off; selecting a fourth ENB having an optimal channel status from among the second ENBs, based on the measured channel statuses; and generating second feedback information including a cell index and channel status information for the fourth ENB.

The invention provides a secondary synchronization signal sequence processing method and a device thereof. The method includes the steps of utilizing secondary synchronization signal sequence index value determined according to physical cell group index, determining an output location of a shift register according to the secondary synchronization signal sequence index value and/or cell index after the shift register is initialized by using m-sequence, clockwisely shifting the shift register after the value of the output location is output, circularly performing the steps of outputting the value of the output location and clockwisely shifting the shift register, and finally obtaining the sequence. The secondary synchronization signal sequence processing method and a device thereof are capable of solving the problems of large consumption of resources, long processing time, high costs and low implementation efficiency in processing secondary synchronization sequence in the prior art, thereby having the effects of saving energy and improving processing efficiency.

A machine, computer program product, and method to enable scalable parallel reservoir simulations for a variety of simulation model sizes are described herein. Some embodiments of the disclosed invention include a machine, methods, and implemented software for performing parallel processing of a grid defining a reservoir or oil/gas field using a plurality of sub-domains for the reservoir simulation, a parallel process of re-ordering a local cell index for each of the plurality of cells using characteristics of the cell and location within the at least one sub-domain and a parallel process of simulating at least one production characteristic of the reservoir.

The invention discloses a lexicon creation method and a system as well as a corresponding word searching method and a system. Each word is divided into N letter groups; the lengths of the n'th letter group and the following letter group thereof are not fixed; a word base is divided into N blocks; the information of the nth letter group is respectively stored in each n-grade cell index; if the letters before the n'th letter group of the jth word and the (j-1)th word are the same and the number of the continuously same letters starting from the first letter of the n'th letter group is larger than 1, then the information of the n'th letter group stored by the jth n'-grade cell index is represented by the form of a number Rj plus the rest letters of the letter group, otherwise, the information is completely represented by the form of letters, wherein n' is equal to or more than 2 and is equal to or less than N; when indexing the inputted words, the number Rj in the n'-grade cell index is identified as the continuous Rj letters starting from the first letter of the n'th letter group of the word corresponding to the front n'-grade cell index of the same group. The invention can occupy less memory space simultaneously when quickly searching the word.

The invention provides a method for realizing CS-service switching in an EPS network access mode and a system for implementing the method. An MME (mobile management entity) in the method-based system is provided with a neighboring cell index and a MSC address number list corresponding to the neighboring cell index. The method comprises the following steps that: a base station sends a switching request to the MME (mobile management entity), wherein the switching request carries a target cell index; the MME receives the switching request, and sends the switching request to an interworking gateway (IWF); the IWF receives the switching request, and acquires a MSC (target mobile switching center) address number corresponding to the target cell index from the MME; and the IWF initiates the switching to the target MSC according to the acquired target MSC address number. The method and the system of the invention can ensure the successful switching of the CS services in the EPS network access mode.

The invention discloses a feedback method and a device for channel state information and positive confirmation/negative confirmation information. The method comprises that under the condition that backward compatible carrier and non-backward compatible carrier of a newly added carrier type conduct carrier aggregation, a Serv Cell Index code used for identifying the backward compatible carrier is used by a user device and codes used for identifying the newly added carrier type and the backward compatible carrier matched with the newly added carrier type are added; and a customer satisfaction index (CSI) of the carrier is selected between the backward compatible carrier and the non-backward compatible carrier and fed back according the Serv Cell Index code and the newly added code. According to the feedback method and the device for the channel state information and the positive confirmation/negative confirmation information, a periodical CSI feedback principle of a plurality of the backward compatible carrier with the same physical uplink control channel (PUCCH) is still applicable after the newly added carrier is imported and CSI feedback of the backward compatible carrier is not influenced.