H04J11/0056

COMMUNICATION METHOD AND DEVICES OF A WIRELESS COMMUNICATION NETWORK

Communication method and devices of a wireless communication network comprising a first access point to the network and at least one second access point to the network, the first access point generating, when communicating on a downlink channel established with a first terminal, an interference signal affecting at least one communication from the at least one second access point on at least one uplink channel established with at least one second terminal are described. The communication method can be implemented by a first device of a wireless communication network and includes sending via the first device of the network to the at least one second access point at least one datum representative of a set of transmission parameters used by the first access point when communicating with the first terminal on the downlink channel.

Base station coordination for cross-link interference cancelation
11336327 · 2022-05-17 · ·

Techniques and apparatuses are described for enabling base stations (121, 122) to coordinate for canceling cross-link interference (380). The techniques and apparatuses described herein overcome challenges that a single base station (121) might otherwise face in trying to compensate a reception (131) by the base station (121) for cross-link interference (382) from a transmission (132) by another base station (122). The techniques and apparatuses described herein enable the base stations (121, 122) to form coordination sets to exchange information to enable the base stations (121, 122) to accurately reconstruct cross-link interference (380) and ultimately cancel the cross-link interference (380) to improve link quality.

REMOTE INTERFERENCE MANAGEMENT METHOD, GNB, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM
20220150012 · 2022-05-12 ·

The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). The disclosure provides a remote interference management method, a gNB, an electronic device, a readable storage medium, and a base station for performing inter-base station interference coordination. The method includes steps of: determining, by a gNB, a mapping relationship between a gNB set ID and a RIM-RS according to received configuration information; transmitting, by the gNB, the RIM-RS according to the allocated gNB set ID and the mapping relationship; and/or performing RIM-RS detection, by the gNB, determining gNB set ID information through the detected RIM-RS according to the mapping relationship, and reporting the determined gNB set ID information. The present disclosure determines the mapping relationship between the gNB set ID and the RIM-RS according to the received configuration information, and further transmits and/or detects the RIM-RS based on the mapping relationship, thus simplifying signaling interaction information and improving the communication flexibility of the RIM-RS with multiple functions. The base station includes: a transceiver, configured to transmit signals and/or receive signals; and a processor, configured to: control the transceiver to receive a physical signal transmitted by a second base station and perform interference measurement based on the received physical signal; and control the transceiver to report an interference measurement result to the second base station or a management center, to cause the second base station to perform interference coordination for at least the first base station based on the interference measurement result reported by the first base station or configuration by the management center.

Dormant Mode Measurement Optimization

Methods performed by a wireless device operating in a dormant mode comprise performing a measurement on each of a plurality of resources from a predetermined set of resources or demodulating and decoding information from each of a plurality of resources from a predetermined set of resources, such as a set of beams. The methods further include evaluating the measurement or the demodulated and decoded information for each of the plurality of resources against a predetermined criterion, and then discontinuing the performing and evaluating of measurements, or discontinuing the demodulating and decoding and evaluation of information, in response to determining that the predetermined criterion is met, such that one or more resources in the predetermined set of resources are neither measured nor demodulated and decoded. The methods further comprise deactivating receiver circuitry, further in response to determining that the predetermined criterion is met.

REDUCING CHANNEL INTERFERENCE
20230254728 · 2023-08-10 · ·

A method for reducing channel interference includes: a micro base station receiving channel state information reported by a user equipment and calculating a sub-band interference value based on the channel state information; the micro base station generating interference level information by comparing the sub-band interference value with a preset interference threshold, the interference level information indicating one of a first level and a second level, wherein the first level corresponds to the sub-band interference value being greater than the interference threshold, and the second level corresponds to the sub-band interference value being not greater than the interference threshold; the micro base station transmitting to a macro base station a sub-frame configuration request carrying the interference level information; and the macro base station configuring, in response to the sub-frame configuration request, a sub-frame in a sub-frame configuration mode.

Correlating network and physical layer activities
11722164 · 2023-08-08 · ·

A system that incorporates aspects of the subject disclosure may perform operations including, for example, a method of identifying, by a system comprising a processor, network communication degradation in one or more layers of a multi-layered communication protocol above a physical layer, wherein the network communication degradation is associated with communications taking place through a network, in part over a radio frequency link, between a plurality of communication devices, obtaining, by the system, data from a layer below the one or more layers of the multi-layered communication protocol identified as having the network communication degradation, determining, by the system, one or more geographic regions of the network associated with the network communication degradation from the data, and mitigating, by the system, effects of the network communication degradation in the one or more geographic regions of the network. Other embodiments are disclosed.

TRANSMISSION COORDINATION TO MITIGATE INTERFERENCE
20230247659 · 2023-08-03 ·

An apparatus for receiving wireless communication at a first UE from a first wireless device may include a memory and at least one processor coupled to the memory. The memory and the at least one processor may be configured to receive a user grouping identifying a second UE that communicates with a second wireless device. The memory and the at least one processor may be further configured to receive a control transmission between the second UE and the second wireless device indicating a modulation and coding scheme (MCS) and allocated resources for the second wireless device. The memory and the at least one processor may be further configured to apply interference cancellation on at least one of a resource element (RE) or a resource block (RB) received from the first wireless device based on the MCS and allocated resources for the second wireless device.

Signal processing method and apparatus

A signal processing method and an apparatus are provided, and the method includes: measuring, by a terminal device, signal quality of one or more cells, to generate a first measurement report; and sending, by the terminal device, the first measurement report to a first base station, where the first measurement report includes measurement information of the one or more cells so that the first base station sends the first measurement report to a second base station, and the first base station implements, by using the first measurement report, uplink interference cancellation or downlink interference cancellation for the terminal device.

HANDLING CRS INTERFERENCE IN DYNAMIC SPECTRUM SHARING
20230299899 · 2023-09-21 ·

The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may transmit an interference indication associated with DSS, the interference indication corresponding to a capability of a CRS interference cancellation. The apparatus may also receive CRS assistance information associated with the DSS, the CRS assistance information corresponding to one or more interfering cells. Additionally, the apparatus may determine at least one of a location or a sequence of at least one CRS, the at least one CRS corresponding to at least one of the one or more interfering cells. The apparatus may also mitigate interference from the at least one CRS corresponding to the at least one interfering cell, the interference being mitigated based on at least one of the location or the sequence of the at least one CRS.

INTELLIGENT GROUPING OF NETWORK NODES FOR REMOTE INTERFERENCE MANAGEMENT

Embodiments of the disclosed techniques include methods for remote interference management (RIM) implemented in a network device in charge of management in a wireless network. In one embodiment, a method includes receiving messages from a set of base stations, wherein each message from abase station of the set of base stations indicates that the base station is interfered. The method further includes grouping the set of base stations into a set of reference signal groups based on the messages, each reference signal group being mapped to a reference signal group identifier; and the method continues with sending a respectively mapped reference signal group identifier to each of the set of base stations. Embodiments of the invention also include methods to group base stations causing the interference.