Certain aspects of the present disclosure provide techniques for low complexity physical downlink channel. A method that may be performed by a user equipment (UE) includes determining one or more policies for monitoring one or more physical downlink control channels (PDCCHs) within one or more bandwidth parts (BWPs) for a first type of UE, wherein the one or more policies for the first type of UE are different from a set of policies for a second type of UE; and monitoring for signals from a network entity via the one or more PDCCHs according to the determined policies.

Method and UE are provided for scheduling for PDCCH PEI detection. In particular, a BS can transmit a higher layer signaling to a UE. The higher layer signaling includes a configuration of at least one configurable PDCCH candidate number for PEI procedure used under a non-active mode. After receiving the higher layer signaling, the UE performs blind decoding under the non-active mode according to the configuration of the at least one configurable PDCCH candidate number.

Using a modulation and coding scheme for a control channel that is more conservative than needed to fulfill the control function may waste resources. To address this issue, a variable size control channel is provided. An apparatus in such a system may be configured to determine an aggregation level of a plurality of aggregation levels associated with a control channel. Each aggregation level of the plurality of aggregation levels is associated with a number of time-frequency resources dedicated for the control channel and a particular modulation and coding scheme used for modulating and coding control information in the control channel. The apparatus is configured to receive control information in the time-frequency resources associated with the aggregation level and decode the control information received in the time-frequency resources associated with the determined aggregation level. The decoding is based on the particular modulation and coding scheme associated with the determined aggregation level.

A method is disclosed herein for reducing energy consumption in a wireless device. A wireless device (e.g., a user equipment) can provide an indication to a network node (e.g., a base station) to indicate that the wireless device will prioritize energy consumption reduction over some network requirements (e.g., latency and/or scheduling flexibility requirements). Accordingly, the wireless device can perform certain power-saving actions to reduce energy consumption. The network node, upon receiving the indication from the wireless device, can perform certain network-related actions to assist the wireless device in reducing energy consumption. As a result, it is possible for the wireless device to reduce energy consumption and complexity, thus helping to prolong battery life in the wireless device.

A synchronization signal block (SSB) transmitted by a neighbor base station may interfere with a physical downlink shared channel (PDSCH) transmitted by a serving base station. A user equipment (UE) that receives both the SSB and PDSCH may mitigate the interference to improve an error rate of decoding the PDSCH. The UE may receive a first SSB including a first broadcast channel (BCH) from a second base station other than a serving base station. The UE may decode the first SSB. The UE may determine, based on the first SSB and the first BCH, that the PDSCH scheduled by the serving base station will overlap with a second SSB from the second base station. The UE may estimate a channel of the second SSB based on the decoded first SSB. The UE may remove a reconstructed second SSB from the PDSCH. The UE may decode the PDSCH.

The present invention discloses an information transmission method, a device, and a system, and relates to the communications field, so as to resolve a problem that a receiving device has excessively large power consumption because the receiving device needs to continuously perform blind detection on a channel to determine a moment at which data transmission is started. A specific solution is: obtaining, by a network device, a start location of a first subframe, configuring a first field in downlink control information DCI of a second subframe, and sending, to user equipment, the first subframe and the second subframe that are adjacent to each other, where the first field is used to indicate the start location of the first subframe. The present invention is used for information transmission.

A circuit arrangement includes a control circuit configured to identify a candidate message in received control data that indicates a potential location of an encoded message in the received control data, the candidate message having a predefined message bit length, a measurement circuit configured to perform a radio measurement, the control circuit further configured to compare the radio measurement to a predefined threshold, and a decoding circuit further configured to, if the radio measurement satisfies the predefined threshold, search for the encoded message in the received control data by decoding the candidate message from the received control data with a reduced message bit length less than the predefined bit length.

The invention relates to a control channel signal for use in a mobile communication system providing at least two different scheduling modes. Further the invention relates to a scheduling unit for generating the control channel signal and a base station comprising the scheduling unit. The invention also relates to the operation of a mobile station and a base station for implementing a scheduling mode using the control channel signal. In order to facilitate the use of different scheduling schemes for user data transmission while avoiding an additional flag for indicating the scheduling mode in the control signaling, the invention proposes the use of code points in existing control channel signal fields. Further, the invention proposes a specific scheduling mode for use in combination with the proposed control channel signal. According to this scheduling mode control channel information is only provided for retransmissions, while initial transmissions are decoded using blind detection.

This invention relates to a proposal of an uplink resource assignment format and a downlink resource assignment format. Furthermore, the invention relates to the use of the new uplink/downlink resource assignments in methods for (de)activation of downlink component carrier(s) configured for a mobile terminal, a base station and a mobile terminal. To enable efficient and robust (de)activation of component carriers, while minimizing the signaling overhead, the invention proposes a new uplink/downlink resource assignment format that allow the activation/deactivation of individual downlink component carriers configured for a mobile. The new uplink or downlink resource assignment comprises an indication of the activation state of the configured downlink component carriers, i.e., indicate which downlink component carrier(s) is/are to be activated or deactivated. This indication is for example implemented by means of a bit-mask that indicates which of the configured uplink component carriers are to be activated respectively deactivated.

The present disclosure provides an information transmission method, including: generating first information; determining a first sequence from N candidate sequences based on the first information; and sending the first sequence. The first information belongs to N candidate information. A mapping between the first information and the first sequence belongs to P mappings. Each of the P mappings includes a mapping between the N candidate information and the N candidate sequences. The N candidate sequences are generated based on N dedicated cyclic shift values and a first initial cyclic shift value. In at least two mappings, dedicated cyclic shift values used to generate candidate sequences corresponding to a same candidate information are different, where the same candidate information belongs to L candidate information in the N candidate information, both P and L are integers greater than 1, and the L is less than or equal to N.