Patent classifications
H04J13/10
DATA TRANSMISSION METHOD, DEVICE, AND SYSTEM
The present invention relates to the communications field, and discloses a data transmission method, a device, and a system, so as to resolve a problem in the prior art that user equipment cannot correctly parse data or measure a channel due to incapability of identifying different operators. A specific solution is: obtaining a scrambling code sequence, where the scrambling code sequence is generated according to a specific sequence of an operator to which a first device belongs; scrambling data according to the scrambling code sequence to obtain the scrambled data; and sending the scrambled data. The present invention is used for data transmission.
DATA TRANSMISSION METHOD, DEVICE, AND SYSTEM
The present invention relates to the communications field, and discloses a data transmission method, a device, and a system, so as to resolve a problem in the prior art that user equipment cannot correctly parse data or measure a channel due to incapability of identifying different operators. A specific solution is: obtaining a scrambling code sequence, where the scrambling code sequence is generated according to a specific sequence of an operator to which a first device belongs; scrambling data according to the scrambling code sequence to obtain the scrambled data; and sending the scrambled data. The present invention is used for data transmission.
Transmission of information in a wireless communication system
Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method of transmission in a wireless communication system comprises determining by a wireless device (201) a configuration of a plurality of power amplifiers (207) to achieve a single antenna transmission mode; amplifying a signal by said wireless device (201) using the configuration of the plurality of power amplifiers (207) to form a plurality of amplified signals; simultaneously transmitting at or about the same time by the wireless device (201) to a base station (202) the plurality of amplified signals from a plurality of physical antennas (212), wherein the plurality of physical antennas (212) are coupled to the configuration of the plurality of power amplifiers (207); and wherein the measured transmit power from the totality of the plurality of physical antennas (212) is about the same as the required transmit power using the single antenna transmission mode.
BROADCAST SIGNAL TRANSMISSION APPARATUS USING TRANSMISSION IDENTIFIER AND METHOD USING SAME
An apparatus for transmitting broadcasting signal using transmitter identification and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.
BROADCAST SIGNAL TRANSMISSION APPARATUS USING TRANSMISSION IDENTIFIER AND METHOD USING SAME
An apparatus for transmitting broadcasting signal using transmitter identification and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.
METHOD FOR TRANSMITTING AND RECEIVING SIGNALS AND APPARATUS FOR SUPPORTING SAME IN WIRELESS COMMUNICATION SYSTEM
Disclosed are a method and an apparatus for supporting same, the method carried out by a terminal in a wireless communication system comprising, according to one embodiment of the present disclosure, the steps of: receiving information associated with a positioning reference signal (PRS) sequence identifier (ID); receiving a PRS associated with the PRS sequence ID; and transmitting information associated with timing a measurement acquired on the basis of the PRS, wherein a pseudo-random sequence generator associated with sequence generation of a PRS is initialized by Cinit=(2.sup.31-(M-10)[N.sub.ID.sup.RS/2.sup.10](K.Math.n.sub.s+1+1)(2.Math.(N.sub.ID.sup.RSmod1024)+1)+N.sub.ID.sup.RSmod1024)mod2.sup.31 where M is a natural number, K is the number of orthogonal frequency division multiplexing (OFDM) symbols per slot, ns is a slot index, I is an OFDM symbol index within the slot, NIDRS is the PRS sequence ID, and mod is a modulo calculation.
Data Processing Method and Apparatus
Embodiments of the present invention disclose a data processing method and apparatus, and belong to the field of communications technologies. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a preamble field, a data field, and a middle preamble field, and the preamble in the PPDU includes information used to indicate an insertion frequency of the middle preamble in the data field in the PPDU; and sending the PPDU. The insertion frequency of the middle preamble in the data field is indicated by using a specified field in the preamble. In this way, in different scenarios, the middle preamble may be inserted into the data field at different frequency, thereby reducing overheads of an inserted pilot and improving data transmission performance.
POSITIONING METHOD AND APPARATUS BASED ON BINARY PERIODIC SEQUENCE
Provided in the present disclosure are a positioning method and apparatus based on a binary periodic sequence. The method includes: selecting one polynomial from each equivalence class of a quadratic polynomial set S to determine a set T; constructing a binary periodic sequence cluster according to the set T; generating a positioning signal according to the binary periodic sequence cluster; and performing positioning processing according to the positioning signal.
DATA TRANSMISSION METHOD, APPARATUS, AND SYSTEM
This application relates to the field of communications technologies, and discloses a data transmission method. The method includes: generating a PPDU; and transmitting the PPDU to at least one receive end. The PPDU includes a channel estimation field CEF, and the CEF includes a plurality of sub-sequences. For each of the plurality of sub-sequences, a part or all of elements in the sub-sequence are basic elements, and the basic elements are arranged into a Golay sequence or a ZC sequence in the sub-sequence. This application is used for data transmission.
DATA TRANSMISSION METHOD, APPARATUS, AND SYSTEM
This application relates to the field of communications technologies, and discloses a data transmission method. The method includes: generating a PPDU; and transmitting the PPDU to at least one receive end. The PPDU includes a channel estimation field CEF, and the CEF includes a plurality of sub-sequences. For each of the plurality of sub-sequences, a part or all of elements in the sub-sequence are basic elements, and the basic elements are arranged into a Golay sequence or a ZC sequence in the sub-sequence. This application is used for data transmission.