Abstract: A system and method for allocating network resources are disclosed herein. In one embodiment, the system and method are configured to perform: transmitting a resource allocation signal to a communication node, the resource allocation signal indicating an updated resource hopping rule for the communication node to transmit a signal, wherein the updated resource hopping rule is derived based on an initial resource hopping rule by adjusting a time period defined by the initial resource hopping rule or rearranging at least two resource columns defined by the initial resource hopping rule.

Abstract: Methods, systems, and devices for contention-based transmissions using differential coding techniques in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a wireless device, a payload including a first portion that is modulated using a differential coding technique and a second portion that is modulated using an amplitude-shift keying (ASK) or phase-shift keying (PSK) modulation, and where the payload includes an identity of the wireless device and at least one of a user plane data or a control plane data.

Abstract: Methods, systems, and devices for a two-step random access procedure in mobile communication technology are described. An exemplary method for wireless communication includes receiving, by a network node, a random access message that comprises at least one of a radio network temporary identifier (RNTI), an identity of the wireless device, an establishment cause, uplink control information (UCI) or beam information, and transmitting, to a wireless device, a contention resolution message, wherein at least a portion of the random access message is modulated using a first modulation scheme selected from a modulation group that comprises binary phase shift keying (BPSK) and ?/2-BPSK.

Abstract: Methods, systems, and devices for timing adjustments for data transmissions in mobile communication technology are described. An exemplary method for wireless communication includes determining, by the first device, a distance between the first device and the second device, and performing a transmission based on a timing adjustment that is determined using the distance. Another exemplary method for wireless communication includes broadcasting, by the second device, a location information of the second device, and receiving, from the first device, a transmission, where the first device is configured to communicate the transmission based on a timing adjustment that is determined using the distance, and where the distance is based on a location information of the first device and the location information of the second device.

Abstract: Methods, systems, and devices for contention-based transmissions using differential coding techniques in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a wireless device, a payload that comprises an identity of the wireless device and at least one of a user plane data or a control plane data, where the payload is modulated using a differential coding technique. Another exemplary method for wireless communication includes receiving, by a network node, a payload that comprises an identity of the wireless device and at least one of a user plane data or a control plane data, where the payload is modulated using a differential coding technique.

Abstract: Methods, systems, and devices for transmitter-side processing of preamble and reference signals are described. An exemplary method for wireless communication includes transmitting, by a wireless device, a message comprising modified symbols that are generated by performing a modification on baseline symbols. Another exemplary method for wireless communication includes receiving, by a network node, a message comprising modified symbols that are generated by performing a modification on baseline symbols. In an example, the message may be a random access message that is part of a 2-step random access channel (RACH) process or a contention-based physical uplink shared channel (PUSCH) or physical uplink control channel (PUCCH) transmission.

Abstract: The present disclosure discloses a transmission resource determining method and device, a user equipment, and a storage medium. The method includes: deriving, by a user equipment, a hopping rule of a used transmission resource, wherein in the hopping rule, the transmission resource used after a current hopping is associated with identification information used in the latest transmission, and is associated with at least one of: frequency domain information corresponding to a physical resource used in the latest transmission, and time domain information of the latest transmission, wherein the identification information is used to distinguish a plurality of user equipments using the same resource for information transmission; and performing, by the user equipment, a corresponding transmission resource hopping at a preset time interval according to the hopping rule.

Abstract: Provided are a feedback information processing method, device and system, a base station and a terminal. The method includes: multiplexing, by a first node, feedback information for a plurality of second nodes in a media access control protocol data unit (MAC PDU), where the feedback information is information generated after the first node correctly receives transmission blocks from the second nodes, and the feedback includes a plurality of pieces of bit information. After the first node multiplexes the feedback information for the plurality of second nodes in the MAC PDU, a radio network temporary identifier (RNTI) is used in a process that the first node delivers the feedback information to the plurality of second nodes.

Abstract: Methods, systems, and devices for the design of symbol-group based spreading schemes are described. An exemplary method for wireless communication includes transmitting, by a terminal, a first spread signal that is generated by spreading a first group of N data symbols using a first set of N sequences, where N is a symbol-group length, L is a spreading length, each of the first set of N sequences is from an orthogonal spreading sequence set that comprises L sequences, and each of the L sequences is of length L. Another exemplary method for wireless communication includes transmitting, by a network node, an indication of a first set of N sequences, and receiving a first spread signal comprising a group of N data symbols spread using the first set of N sequences.

Abstract: Provided are a message sending method and device, and an electronic device. The method includes: sending, by a first node, a message to a second node, wherein the message includes at least one of: a first reference signal carried on a first resource, or a data packet carried on a second resource; wherein the first reference signal belongs to a first reference signal set, and the first resource belongs to a first resource set; the second resource belongs to a second resource set; and the first resource set and the second resource set have a gap in a time domain, and the value of the gap is greater than or equal to 0.

Abstract: According to various implementations, a device, such as a wireless communication device, carries out the following actions: for each element of a spreading sequence to be applied, determining, based on the element, whether to carry out randomization on a coded data stream, in which each element of the spreading sequence belongs to the set {1, ?1, j, ?j}; for each element of the spreading sequence for which randomization is determined to be applied, applying, based on the value of the element, one or more randomization techniques to the coded data stream; modulating the coded data stream; and transmitting the modulated data stream.

Abstract: Provided are a partial pseudo-randomization processing method, a corresponding apparatus, a device and a storage medium. The method includes performing pseudo-randomization processing on part of N bits b1, b2, . . . , bN to generate new N bits d1, d2, . . . , dN; and encoding the d1, d2, . . . , dN.

Abstract: Methods, systems, and devices for multiple access with interference mitigation are described. A wireless communication method is provided to comprise: generating, from information bits, a modulated signal; spreading the modulated signal using a spreading code to provide a spread data signal; processing the spread data signal through a randomization; and transmitting an orthogonal frequency division multiplexing (OFDM) signal based on an output of the processing.

Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for uplink signaling using blind channel estimation at a base station. In one embodiment, a method performed by a communication device, includes: associating a time slot with a data packet comprising a head portion and a tail portion, wherein the head portion comprises a communication device identifier and the tail portion comprises user data associated with the head portion; spreading the head portion into a first predetermined transmission format; spreading the tail portion into a second predetermined transmission format; and transmitting the spreaded head portion with the spreaded tail portion to a communication node, wherein the spreaded head portion comprises information to be used by the communication node for channel estimation and for decoding the tail portion to retrieve the user data.

Abstract: Provided are a feedback information processing method, device and system, a base station and a terminal. The method includes: multiplexing, by a first node, feedback information for a plurality of second nodes in a media access control protocol data unit (MAC PDU), where the feedback information is information generated after the first node correctly receives transmission blocks from the second nodes, and the feedback includes a plurality of pieces of bit information. After the first node multiplexes the feedback information for the plurality of second nodes in the MAC PDU, a radio network temporary identifier (RNTI) is used in a process that the first node delivers the feedback information to the plurality of second nodes.

Abstract: According to various implementations, a device, such as a wireless communication device, carries out the following actions: for each element of a spreading sequence to be applied, determining, based on the element, whether to carry out randomization on a coded data stream, in which each element of the spreading sequence belongs to the set {1, ?1, j, ?j}; for each element of the spreading sequence for which randomization is determined to be applied, applying, based on the value of the element, one or more randomization techniques to the coded data stream; modulating the coded data stream; and transmitting the modulated data stream.

Abstract: A wireless communication method includes a network node that transmits to one or more communication nodes a set of parameters for selection of a multiple access transmission scheme from a plurality of multiple access transmission schemes, such as an orthogonal multiple access (OMA) scheme and a non-orthogonal multiple access (NOMA) scheme. The network node receives data transmitted by a communication node using the multiple access transmission scheme selected by the communication node. The network node can also transmit one or more sets of parameters for one or more transmission configuration groups or a set of parameters for re-transmission, where the transmission configurations group(s) and the parameters for re-transmission define a multiple access transmission scheme to be selected from a plurality of multiple access transmission schemes.

Abstract: A method of wireless communication includes generating, based on a mapping rule, at least two reference signals and transmitting, by a wireless communication device, the at least two reference signals using different symbols in a transmit time interval. Another method of wireless communication includes transmitting, to one or more wireless devices in a wireless network, information indicative of a mapping rule that specifies a mapping between at least two random access reference signal transmissions from the one or more wireless devices.

Abstract: Methods, systems, and devices for multiple access with interference mitigation are described. An exemplary implementation of interference mitigation in a multiple access scheme includes rearranging a N-th bit stream corresponding to a N-th portion of the input bit stream to generate a N-th rearranged bit stream of K rearranged bit streams, for N=1, 2, . . . , K, generating a modulated symbol stream of hierarchical QAM symbols based on the K rearranged bit streams, where bits from the first rearranged bit stream correspond to one or more most significant bits of the hierarchical QAM symbols, bits from the K-th rearranged bit stream correspond to one or more least significant bits of the hierarchical QAM symbols, and bits from a second to (K?1)-th rearranged bit stream correspond to one or more remaining bits of the hierarchical QAM symbols, and transmitting a signal generated from the modulated symbol stream.

Abstract: The present disclosure provides a data transmission method, which includes that: M conjugate symbol pairs are generated, where M is more than or equal to 1; and the symbol pairs in the conjugate relationship are transmitted. The present disclosure also provides a data transmission device, a storage medium and an electronic device.