Patent classifications
H04J2211/005
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 for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.
Physical layer aspects for hierarchical mobility
In aspects, a base station and a user equipment (UE) exchange synchronization signal blocks (SSBs) carrying a SFN identity, and a waveform of the SSBs has a secondary synchronization signal (SSS) symbol preceding a primary SS symbol. In aspects, a base station transmits a radio access network area code (RAN-AC) SS and RAN-AC page are quasi co-located (QCL). In aspects, a base station transmits a RAN-AC SS over a SFN while avoiding overlap of RAN-AC SS resources with channels employed for initial access of update area cells. In aspects, a base station provides a control resource set (CORESET) to a UE upon release from a connected state, and the UE receives a RAN-AC paging PDCCH based on the CORESET. In aspects, a base station transmits a SFN wake up signal (WUS) when there is a grant for paging, and the UE monitors for the WUS.
METHOD AND APPARATUS FOR RECEIVING SYSTEM INFORMATION IN THE WIRELESS COMMUNICATION
The present invention discloses a method for a user equipment to receive system information in a wireless communication system. Particularly, the method is characterized in detecting a first synchronization signal block configured with a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS) and a Physical Broadcasting Channel (PBCH) at a specific frequency position, determining a presence or non-presence of system information corresponding to the first synchronization signal block within a first synchronization raster corresponding to a specific frequency position based on a system information indicator included in the PBCH, and if the system information corresponding to the first synchronization signal block is determined as not existing, determining a second synchronization raster having system information exist therein based on the system information indicator.
METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL FOR FREQUENCY OFFSET ESTIMATION IN NEW WIRELESS COMMUNICATION SYSTEM
Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
Distribution of system access information in wireless communication system
The present disclosure relates to methods for efficiently transmitting system access information that is used by wireless terminals (200) to access a cell (20) in a wireless communication network (10). The system access information may include synchronization signals, system information, or reference signals used for channel estimation. In exemplary embodiments of the disclosure, the access nodes (100) within the wireless communication network (10) may be configured to operate in two or more operating modes. The information density of the system access information transmitted by the access node varies depending on the operating mode. For example, the access node (100) may vary the information density by varying the amount of system access information that is transmitted or the periodicity of the system access information that is transmitted.
Variable spreading factor codes for non-orthogonal multiple access
Aspects of the present disclosure provide techniques for variable spreading factor codes for non-orthogonal multiple access (NOMA). In an exemplary method, a base station assigns, from a first codebook of N short code sequences of length K, a subset of the short code sequences to a number of user equipments (UEs); receives a signal including uplink data or control signals from two or more of the UEs, wherein a first uplink data or control signal is sent using a first subsequence of one of the assigned short code sequences, and a second uplink data or control signal is sent using a second subsequence of one of the assigned short code sequences or using one of the assigned short code sequences; and decodes each uplink data or control signal in the signal based on the assigned short code sequences and subsequences of the assigned the short code sequences.
Method and apparatus for network assisted interference cancellation and suppression in wireless cellular communication system
The disclosure relates to a 5G or pre-5G communication system which will be provided to support a higher data rate beyond a 4G communication system such as LTE. According to an embodiment of the disclosure, a method performed by a terminal in a wireless cellular communication system is provided. The method comprises the steps of: receiving, from a serving base station, network deployment information of a neighboring cell, which includes information on the type of the neighboring cell; and receiving data from the serving base station on the basis of the network deployment information of the neighboring cell.
Method and apparatus for transmitting reference signal for frequency offset estimation in new wireless communication system
Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
INTERFERENCE MANAGEMENT IN WIRELESS SYSTEMS
Techniques for interference mitigation in a wireless communication system are disclosed. One example method includes receiving, at a first communication node, interference status information indicative of a remote interference between the first communication node and a second communication node and performing, by the first communication node, subsequent communications to the second communication node by implementing a backoff based on a granularity
METHOD FOR TRANSMITTING OR RECEIVING SIGNAL USING LONG SEQUENCE AND APPARATUS THEREFOR
The present document relates to a method for transmitting a signal using a long sequence in a wireless communication system. According to the method, a transmission side device transmits a signal using the long sequence comprising a combination of a plurality of sub-subsequences, wherein each of the plurality of sub-subsequences comprises a combination of a plurality of short base sequences, each having a length equal to or shorter than a predetermined length, and sequences obtained by multiplying each of the base sequences by a cover sequence.