H04L1/0023

BROADCASTING PACKETS USING NETWORK CODING VIA SIDELINK WITH FEEDBACK
20220014336 · 2022-01-13 ·

Methods, systems, and devices for wireless communications are described. A transmitter may identify a set of one or more packets for broadcast to a set of one or more user equipments (UEs) and transmit a set of one or more network encoded packets based on the set of one or more packets. The UEs may each rebroadcast one or more successfully received network encoded packets via sidelink communications. Each UE may report to the original transmitter via feedback indicating the one or more successfully received packets at each UE. The transmitter may generate an updated set of one or more network encoded packets based on the feedback from the UEs. The transmitter may continue to update and transmit the updated set of one or more network encoded packets based on feedback until the transmitter determines that each UE has recovered the set of one or more packets.

FEEDBACK-BASED BROADCASTING OF NETWORK CODED PACKETS WITH SIDELINK
20220015168 · 2022-01-13 ·

Methods, systems, and devices for wireless communications are described. A network node may transmit, to a plurality of user equipment (UE), a set of network encoded packets generated using a set of packets. A UE of the plurality of UEs may receive a subset of the set of encoded packets and may decode the subset to determine a first set of decoded packets. The UE may receive a second set of decoded packets from the plurality of UEs. The UE may transmit feedback to the network node that indicates the successfully decoded packets of the first and second sets. The network node may receive the feedback and may determine a subset of the set of packets that was successfully decoded for each UE providing the feedback. The network node may transmit an updated set of network encoded packets to the plurality of UEs.

High-reliability modulation coding scheme and logical channel prioritization
11178671 · 2021-11-16 · ·

Methods, systems, and devices for wireless communications are described. A base station in a wireless communications system may perform a connection procedure (e.g. radio resource control (RRC) procedure) with a user equipment (UE), during which the base station may configure the UE with logical channel prioritization (LCP) configuration for each logical channel of a set of logical channels. The LCP configuration may indicate allowable modulation coding schemes (MCSs) for each logical channel of the set of logical channels. Following the communication procedure, the UE may receive an uplink grant for transmitting data using a corresponding logical channel of the set of logical channels. The UE may identify an MCS used by the uplink grant and may transmit the data using the corresponding logical channel with the identified MCS, based on the identified MCS of the uplink grant matching an MCS of the logical channel.

Electronic apparatus, wireless communication method and computer-readable medium
11223398 · 2022-01-11 · ·

The present disclosure relates to an electronic apparatus, a wireless communication method, and a computer-readable medium. According to one embodiment, an electronic apparatus used at a base station side comprises a processing circuit. The processing circuit is configured to carry out control so as to carry out multiple-input multiple-output transmission by means of two or more transmitting and receiving points, and to send indication information to a user equipment, wherein the indication information is related to a scheme of mapping between a spatial multiplexing layer and a code word for transmission by means of two or more transmitting and receiving points.

MULTIPLE ACCESS USING ORTHOGONAL TIME FREQUENCY SPACE MODULATION

An Orthogonal Time Frequency Space Modulation (OTFS) modulation scheme achieving multiple access by multiplexing multiple signals at the transmitter-side performs allocation of transmission resources to a first signal and a second signal, combining and converting to a transmission format via OTFS modulation and transmitting the signal over a communication channel. At the receiver, multiplexed signals are recovered using orthogonality property of the basis functions used for the multiplexing at the transmitter.

Multi-band satellite terminal estimating a second band based on first band link conditions

Systems and methods for operating a multi-band satellite terminal are disclosed. One aspect disclosed features a method, comprising: controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands; determining link conditions of the first frequency band based on the received signal; generating an estimate of link conditions of a second frequency band of the plurality of frequency bands, wherein the estimate is generated based on the link conditions of the first frequency band; selecting the second frequency band based on the estimate of the link conditions of the second frequency band; and controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite on the second frequency band.

Method and apparatus for transmitting and receiving signal in mobile communication system

A method performed at a network node for scheduling DL transmissions and a corresponding network node is disclosed. The method includes determining, based on a number of TBs (TBs) scheduled in a DL transmission to be transmitted and a maximum number of CBGs dividable in the DL transmission, a maximum number of CBGs dividable in each TB of the DL transmission; determining a CBG configuration of CBGs scheduled in a corresponding TB based on a maximum number of CBGs dividable in each TB of the DL transmission; and transmitting DL control signaling indicating the CBG configuration. In addition, a method performed at a UE for feedback HARQ-ACK, and a corresponding UE, and a communication system including the network node and UE is also disclosed.

Arrangement for Reliable Relaying

According to an aspect, there is provided an access node for configuring relaying using one or more terminal devices. The access node is configured to select the one or more terminal devices connected to the access node for relaying a signal from the source terminal device to the access node based on radio link measurements. Further, the access node is configured to configure each of the one or more terminal devices to decode each received primary uplink resource and if the decoding is successful, to cause transmitting a transport block corresponding to the decoded primary uplink resource on a secondary uplink resource using a pre-defined starting position to a target network node. The access node is also configured to receive at least one transport block transmitted from the source terminal device via one or more terminal devices on one or more secondary uplink resources.

Method and apparatus for transmission and reception of sidelink control information in wireless communication system

A communication method and a system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of things (IoT) are provided. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as a smart home, a smart building, a smart city, a smart car, a connected car, health care, digital education, a smart retail, security and safety services. The disclosure provides a method and an apparatus for efficient transmission and reception of control information in a sidelink communication.

MODULATION AND CODING SCHEME (MCS) ADAPTATION IN FULL-DUPLEX MODE

Aspects relate to adaptation of the modulation and coding scheme (MCS) of a downlink transmission to a scheduled entity that overlaps in time with an uplink transmission from the scheduled entity when the scheduled entity is operating in a full-duplex mode. A transport block corresponding to the downlink transmission may include a plurality of code block groups (CBGs). When at least a portion of the CBGs overlap in time with the uplink transmission, the MCS of the entire transport block or the MCS of the overlapping CBGs may be adjusted to accommodate and/or mitigate interference between downlink and uplink transmissions. The CBGs may further be time-interleaved over a plurality of symbols allocated for the downlink transmission to accommodate and/or mitigate interference between downlink and uplink transmissions. Other aspects, features, and embodiments are also claimed and described.