China Academy of Telecommunications Technology

Beijing Dabeinong Biotechnology Co., Ltd.

Xiaojiao Li

Qing Tao

Derong Ding

Aihong Zhang

Shiqiang Suo

Bo Han

Rui Shi

Ruifeng Li

Jianfei Zhang

Wenshuo Zhang

An isolated polynucleotide includes: (a) a polynucleotide sequence as shown in SEQ ID NO: 1; or (b) a polynucleotide sequence comprising at least 15 or 17 or 19 or 21 contiguous nucleotides of SEQ ID NO: 1, wherein the ingestion, byinsect pests, of a double-stranded RNA comprising at least one strand complementary to the polynucleotide sequence inhibits the growth of theinsect pests; or (c) any one of the polynucleotide sequence as shown in SEQ ID NO: 3 to SEQ ID NO: 6; or (d) a polynucleotide sequence hybridized with the polynucleotide sequence defined in (a), (b) or (c) mentioned above under stringent conditions. Multiple target sequences of the target gene c46312 control theinsect pest

Polynucleotide and method for controlling insect infestation

An isolated polynucleotide includes: (a) a polynucleotide sequence as shown in SEQ ID NO: 1; or (b) a polynucleotide sequence having at least 15, 17, 19 or 21 contiguous nucleotides of SEQ ID NO: 1, wherein the growth of a pest of the order Coleoptera is inhibited when the pest of the order Coleoptera ingests double-stranded RNA comprising at least one strand that is complementary to the described polynucleotide sequence; or (c) any polynucleotide sequence as shown in SEQ ID NO: 3 to SEQ ID NO: 6; or (d) a polynucleotide sequence which hybridizes under stringent conditions with the polynucleotide sequence as defined in (a), (b) or (c). A plurality of target sequences are used for controlling a target gene c4506 of, which is a pest of the order Coleoptera.

Polynucleotide and method used for controlling insect invasion

Provided are an isolated polynucleotide and a method for controlling insect invasion. The isolated polynucleotide is a plurality of target sequences for controlling target gene c35112 of a coleopteran pest,, comprising: a) a polynucleotide sequence shown as SEQ ID NO: 1; or (b) a polynucleotide sequence having at least 15 or 17 or 19 or 21 contiguous nucleotides of SEQ ID NO: 1, a double-stranded RNA comprising at least one strand complementary to the polynucleotide sequence being capable of inhibiting the growth of coleopteran pests after being ingested by the coleopteran pests; or (c) any one of polynucleotide sequences shown as SEQ ID NO: 3 to SEQ ID NO: 20; or (d) a polynucleotide sequence that hybridizes under stringent conditions to a polynucleotide sequence as defined in (a), (b) or (c).

Polynucleotide and method for controlling insect invasion

A channel estimation method including: a channel estimation device employs a two-dimensional channel estimation method and utilizes the channel estimate of an original pilot frequency to conduct channel estimation on an encrypted pilot frequency, so as to obtain the channel estimate of the encrypted pilot frequency; the channel estimation device employs a one-dimensional channel estimation method and utilizes the channel estimate of the encrypted pilot frequency to conduct channel estimation on all resources, so as to obtain the channel estimates on all resources.

Channel estimation method and device

Provided are a method and device for testing the moving speed of a terminal, which are used for testing the moving speed of a terminal according to the pilot and noise power, thereby improving measurement accuracy. The method comprises: a receiving end receiving a signal which comprises a pilot sequence and is sent by a sending end; according to the known pilot sequence and the signal comprising the pilot sequence, the receiving end determining an estimated value of a time-domain channel corresponding to each pilot symbol of the pilot sequence in a transmission process, and selecting a time-delay path according to the estimated value of the time-domain channel; and according to the time-delay path selected in a preset time length, the receiving end determining the moving speed of a terminal.

Method and device for testing moving speed of terminal

The present invention relates to the field of communications, and provides a communication method using spatial division multiple access (SDMA), to optimize an existing spatial division multiplexing mechanism. The method comprises: for each channel including a service channel and a control channel, according to a service information amount and/or a control information amount of the channel and a decision threshold corresponding to the channel, determining whether to activate SDMA for the channel; according to a decision result for a remote radio unit (RRU) to which each user belongs, allocating resources in an SDMA manner for the channel with the SDMA activated, and sending data of each user on the channel only on the RRU to which the user belongs; for a channel with the SDMA not activated, sending all data on the channel on all RRUs. The present invention is applicable to the spatial division multiplexing of various physical channels and physical signals specified by the standards of LTE and LTE-A systems, and can further improve utilization of resources in the system, the throughput of the system, and the data transmission rate.

Growing community of inventors

Beijing, China

Xiaojiao Li