Patent classifications
H04L25/03866
Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system
When a terminal generates an uplink signal in a communication system, the terminal hops a sequence for differentiating itself from another terminal with time. The terminal generates the uplink signal by multiplying a transmission symbol by a sequence of a transmission time corresponding to the transmission symbol.
RECEIVER FOR DATA SIGNAL BASED ON PULSE AMPLITUDE MODULATION AND INTERFACE THEREFOR
A receiver includes an interface configured to receive a data signal based on an n-level pulse amplitude modulation (PAM-n) in which n is an integer equal to or greater than 4. The interface may include an analog-digital converting circuit configured to adjust a reference voltage, for distinguishing second bit data from the data signal in a second section, based on first bit data converted from the data signal in a first section and the first bit data converted from the data signal in the second section, the second section being after the first section.
METHOD AND APPARATUS FOR BROADCAST CHANNEL CONFIGURATION AND BROADCAST CHANNEL TRANSMISSION AND RECEPTION FOR COMMUNICATION SYSTEM
A method, apparatus, and system for transmitting and receiving a physical broadcast channel (PBCH) are provided. A base station may perform a first scrambling process on PBCHs in a time period before a channel coding, and perform a second scrambling process after the channel coding. PHCH payloads and PBCH DMRS may provide information bits to be used in the scrambling processes. A wireless user device may receive one or more PBCHs transmitted from the base station.
WIRELESS DEVICES AND SYSTEMS INCLUDING EXAMPLES OF FULL DUPLEX TRANSMISSION
Examples described herein include systems and methods which include wireless devices and systems with examples of full duplex compensation with a self interference noise calculator. The self-interference noise calculator may be coupled to antennas of a wireless device and configured to generate adjusted signals that compensate self-interference. The self-interference noise calculator may include a network of processing elements configured to combine transmission signals into sets of intermediate results. Each set of intermediate results may be summed in the self-interference noise calculator to generate a corresponding adjusted signal. The adjusted signal is received by a corresponding wireless receiver to compensate for the self-interference noise generated by a wireless transmitter transmitting on the same frequency band as the wireless receiver is receiving.
SCRAMBLING SEQUENCE GENERATION FOR A MULTI-TRANSMIT RECEIVE POINT CONFIGURATION
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a first transmit receive point (TRP), a downlink control information (DCI) communication, the UE being included in a multi-TRP configuration with the first TRP and a second TRP. The UE may determine information unique to the first TRP. The information unique to the first TRP may be at least one of associated with the DCI communication or included in the DCI communication. The UE may generate a downlink scrambling sequence initialization code, associated with the first TRP, based at least in part on the information unique to the first TRP. The UE may generate a downlink scrambling sequence, associated with the first TRP, based at least in part on the downlink scrambling sequence initialization code associated with the first TRP. Numerous other aspects are provided.
CODEPOINT SCRAMBLING FOR A NON-COHERENT TRANSMISSION
A method of wireless communication includes selecting, by a user equipment (UE), a first codepoint from a codebook based on control information to be transmitted to a base station. The codebook is associated with non-coherent transmissions from the UE to the base station. The method further includes generating, based on the first codepoint and a scrambling sequence that is associated with the UE, a second codepoint representing the control information. The method further includes transmitting the second codepoint by the UE to the base station.
SINK DEVICE, SOURCE DEVICE, AND CONTROL METHODS FOR SAME
A sink device comprising a connector which has a first ground (GND) corresponding to a first standard; and a processor which receives a signal from a source device, via the connector, and if the received signal is of a second standard corresponding to a second GND that includes the first GND, requests, from the source device, information about the signal of the second standard.
TRANSMISSION AND RECEPTION OF A PHYSICAL LAYER PACKET WITH MIDAMBLES
A method is disclosed of a transmitter configured to transmit a physical layer packet having a plurality of midambles. The method includes applying a respective phase shift for each midamble of the physical layer packet, and transmitting the physical layer packet. The respective phase shift is applied to at least a portion of symbols of the midamble.
A method is also disclosed of a receiver configured to receive a physical layer packet having a plurality of midambles. The method includes receiving the physical layer packet, and counteracting a respective phase shift for each midamble of the physical layer packet. Counteracting the respective phase shift includes applying an opposite of the respective phase shift to at least a portion of symbols of the midamble or compensating the respective phase shift for at least a portion of symbols of the midamble.
Corresponding apparatuses, and computer program product are also disclosed.
Sequence generation and assignment
The present disclosure describes the generation of long sequences from short sequences to support concurrent transmissions of large numbers of machine-type communication devices operating in a wireless communication system. These long sequences may be assigned to devices so that the devices can use the long sequences scramble their transmissions. The use of such long sequences permits many machine-type communication devices to transmit during the same time and frequency resource.
Methods and apparatus for detecting ACK/NACK bits with dual list-RM decoder and symbol regeneration for LTE PUCCH format 3
Methods and apparatus for detecting ACK/NACK bits with dual list-RM decoder and symbol regeneration for PUCCH format 3. In an exemplary embodiment, a method is provided for detected ACK/NACK bits received in a long-term evolution (LTE) physical uplink control channel (PUCCH) Format 3 uplink transmission. The method includes generating Top-M ACK candidates from a descrambled bit stream, regenerating Top-M candidate symbols from the Top-M ACK candidates, calculating channel estimates for the Top-M candidate symbols, combining to the channel estimates generate a combined metric; and searching the combined metric to determine detected ACK bits.