| Patent application number | Description | Published |
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| 20100260080 | TRANSMITTING METHODS OF A SIGNAL ON A RANDOM ACCESS CHANNEL IN A WIRELESS COMMUNICATION SYSTEM - A transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. Another transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a cyclic prefix and a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. The methods can avoid the interference of the preamble to the data of the uplink subframe, and can improve the coverage area of the random access channel and the work efficiency of the time division duplex system. | 10-14-2010 |
| 20100278081 | Method and apparatus of sending synchronization signals in TDD systems - The present invention discloses a method and apparatus of sending synchronization signals in TDD systems. The method includes: sending P-SCH signals of synchronization signals on the third symbol of a DwPTS; sending S-SCH signals of the synchronization signals on the last OFDM symbols of time slot | 11-04-2010 |
| 20100290376 | Method for sending physical downlink control channel signals in downlink pilot time slot - A method for sending physical downlink control channel (PDCCH) signals in downlink pilot time slots (DwPTS) comprises: a base station (BS) transmits the PDCCH signals on one or more symbols in the DwPTS, and resources used for transmitting the PDCCH signals are different from resources used for transmitting primary synchronization signals of synchronization signals. In the present invention, the method for sending the PDCCH signals can solve the problem of conflict between the PDCCH and the primary synchronization signals in the DwPTS by generating a less delay and less impact on other channels. | 11-18-2010 |
| 20100309826 | METHOD FOR SENDING PHYSICAL HYBRID ARQ INDICATOR CHANNEL SIGNALS IN A DOWNLINK PILOT TIME SLOT - A method for sending physical hybrid ARQ indicator channel signals in a downlink pilot time slot, comprises steps as follows: the PHICH signals are sent in one or more symbols included in the DwPTS by a base station, and the OFDM symbol used for sending the PHICH signals by the base station differs from the OFDM symbols used for sending P-SCH signals and S-SCH signals by the base station. According to the method, not only the problem of the confliction between the PHICH signals and the synchronization channel signals in the DwPTS is solved, but also the time delay for sending the PHICH signals is reduced as much as possible, thus an influence on other channels is reduced, and processing of other channels is facilitated. | 12-09-2010 |
| 20100329142 | SENDING METHOD AND DEVICE FOR SCHEDULING REQUEST (SR) SIGNAL - A method and device for sending a scheduling request (SR) signal are used for a user equipment (UE) in a long term evolution system to send an uplink signal to a base station. The method includes: if a time length of a radio frame is less than an SR periodicity, a sending frame and a subframe for the SR signal are determined after shifting an SR subframe offset from a starting subframe of a first radio frame of multiple consecutive radio frames which have a total time length equal to the SR periodicity; if a time length of a radio frame is equal to or greater than the SR periodicity, each radio frame is determined as the sending frame for the SR signal, and if a time length of a radio frame is equal to the SR periodicity, a subframe of the sending frame is determined after shifting the SR subframe offset from the starting subframe of the sending frame; if a time length of a radio frame is greater than the SR periodicity, a subframe of the sending frame is determined after shifting the SR subframe offset from the starting subframe of a radio half-frame; and the UE sends the SR signal to the base station in the determined subframe of the sending frame. | 12-30-2010 |
| 20110002317 | METHOD AND DEVICE FOR MAPPING THE INITIAL LOCATION OF DOWNLINK PILOT - A mapping method for the initial location of the downlink pilot comprises the following steps: acquiring a cell sequence number; mapping the cell sequence number to k; and setting an initial location of a downlink pilot on a first antenna as the K | 01-06-2011 |
| 20110007674 | METHOD FOR ALLOCATING PHYSICAL HYBRID ARQ INDICATOR CHANNELS - The present disclosure provides a method for allocating physical hybrid ARQ indicator channels, which is used for sending indication information corresponding to multiple uplink sub-frames in the same downlink sub-frame in a TDD system. The method includes: in the TDD system, through an index of a physical resource block where uplink data resides as well as an index of an uplink sub-frame where the uplink data resides, determining an index of a physical hybrid ARQ indicator channel group where a physical hybrid ARQ indicator channel in an downlink sub-frame resides and an intra-group index of the physical hybrid ARQ indicator channel in the physical hybrid ARQ indicator channel group according to an indexing rule, and further determining an index of the physical hybrid ARQ indicator channel by using the index of the physical hybrid ARQ indicator channel group and the intra-group index. According to implicit mapping, the method of the present disclosure implements the allocation of the physical hybrid ARQ indicator channels over which the downlink indication messages corresponding to each uplink sub-frame are transmitted, thereby being capable of overcoming the problem potentially present in existing technologies that multiple indication messages reside on the same physical hybrid ARQ indicator channel. | 01-13-2011 |
| 20110007825 | Method for generation of cyclic shift amount set and method for generation of random access preamble - A Method for generation of Ncs set and a method for generation of random access preamble are disclosed. The method for generation of Ncs set comprises the following steps: determine an upper limit value Ncs_max of Ncs according to a maximum cell radius value which is required to be supported by a random access channel RACH, and select Ncs values which are less than or equal to the Ncs_max to be elements of an initial Ncs set; calculate a root sequence number Nr corresponding to each element in the initial Ncs set according to formula Nr=┌M/└Npre/Ncs┘┐; and delete elements in the initial Ncs set which have the same Nr value with other elements so as to generate a screening Ncs set in which each element has a different Nr value; if N, the number of the elements in the screening Ncs set, is greater than P, the number of maximum Ncs supported by the system, then delete N−P elements from the set so as to generate a final Ncs set; else regard the screening Ncs set as the final Ncs set; wherein, M is a preamble number required by each cell, and Npre is the length of preamble sequence. | 01-13-2011 |
| 20110013546 | METHOD FOR SENDING A SOUNDING REFERENCE SIGNAL OF UPLINK CHANNEL IN A TIME DIVISION DUPLEX SYSTEM - A method for sending a sounding reference signal (SRS) of uplink channel in a time division duplex system is provided, a terminal calculates the parameters of the resource for sending an SRS in an uplink pilot time slot (UpPTS) according to the configuration information related to the sounding reference signal (SRS) of the uplink channel, the parameters include the frequency domain start position of the resource, and then the SRS is sent over the resource; wherein when the frequency domain start position of the resource is calculated, it is necessary to determine the index of the first sub-carrier in the maximum SRS bandwidth; the terminal determines the index according to the frequency domain position of one PRACH or that of more PRACHs in the uplink pilot time slots, when the PRACH includes the sub-carrier at the lower boundary of the system bandwidth, the upper boundary of the system bandwidth is used as the end position of the maximum SRS bandwidth and the start position of the maximum SRS bandwidth is calculated; and when the PRACH includes the sub-carrier at the upper boundary of the system bandwidth, the lower boundary of the system bandwidth is used as the start position of the maximum SRS bandwidth, and then the index is determined through the start position of the maximum SRS bandwidth plus the offset parameter configured for the terminal. With the sending position of the maximum SRS bandwidth in the UpPTS, which is obtained by the method of the present invention, the interference between the SRS signal and the PARCH can be avoided, and it is possible to implement the channel sounding for more bandwidth. | 01-20-2011 |
| 20110026444 | METHOD FOR FEEDING BACK CONFIRMATION INFORMATION ON A PHYSICAL UPLINK SHARED CHANNEL - A method for feeding back confirmation information on a physical uplink shared channel, this method includes: an eNodeB carries, in downlink control information, a number value of the downlink sub-frame corresponding to the confirmation information which is fed back by one uplink sub-frame, and transmits data on a plurality of continuous downlink sub-frames after the sub-frame carrying the downlink control information (S | 02-03-2011 |
| 20110090862 | METHOD FOR TRANSMITTING AN UPLINK CHANNEL SOUNDING REFERENCE SIGNAL - A method wherein: a base station assigns resource to an uplink channel sounding reference signal (SRS) of a UE, sends the SRS configuration parameters to the UE, wherein the SRS configuration parameters include SRS bandwidth parameter B | 04-21-2011 |
| 20110090863 | Method for Mapping Physical Random Access Channels - The present invention discloses a method for mapping physical random access channels, which comprises the following steps: the PRACHs in the same time domain location are mapped from low frequency to high frequency, or from high frequency to low frequency in usable frequency resource, wherein one PRACH occupies 6 resource blocks, and the frequency bands occupied by two adjacent PRACHs in the frequency domain do not overlap; or the PRACHs in the same time domain location are mapped from two sides to the middle in usable frequency resource, wherein one PRACH occupies 6 resource blocks, and the frequency bands occupied by two adjacent PRACHs in the frequency domain do not overlap. The present invention enables uniformly distributing the PRACHs which require to be processed by the same base station in the time domain, and decreasing the inter-cell interference of the second type PRACH to the utmost extent at the same time. | 04-21-2011 |
| 20110096702 | METHOD FOR SENDING THE PHYSICAL BROADCAST CHANNEL IN A TIME DIVISION DUPLEX SYSTEM - A method for sending a physical broadcast channel in the TDD system is disclosed, which is: a signal of a physical broadcast channel is not sent in a pilot position, and the signal of the physical broadcast channel is sent on 4 OFDM symbols of the first subframe of one radio frame. Through the present invention, the extension requirement of the physical broadcast channel capacity in the TDD can be met, and the system complexity is reduced due to the normal cyclic prefix and extended prefix using the same sending method. | 04-28-2011 |
| 20110134860 | Method and apparatus for sending rank indication information, receiving method and apparatus thereof - The present invention discloses a method and an apparatus for sending rank indication (RI) information, and a method and an apparatus for receiving RI information, wherein the method for sending the RI information includes: carrying the RI information on a physical uplink control channel (PUCCH) for transmitting scheduling request (SR) information when the RI information and the SR information are sent within a same subframe, and sending the RI information and the SR information by using the PUCCH for transmitting SR information. According to the present invention, the problem that the orthogonality of codes between PUCCHs is destroyed due to that the RI information and the SR information are sent within a same subframe is solved, the overall system performance thereby can be guaranteed. | 06-09-2011 |
| 20110164604 | METHOD AND DEVICE FOR CONTROLING SIGNAL TRANSMISSION - The method for controlling signal transmission comprises: determining the first reference variable according to the number of transition points from downlink to uplink in a wireless frame of the system and the system frame number (S | 07-07-2011 |
