阅读说明：本技术 一种信息确定方法、装置、系统、设备及存储介质 (Information determination method, device, system, equipment and storage medium ) 是由 贺传峰 于 2019-03-21 设计创作，主要内容包括：本申请提供了一种信息确定方法、装置、系统、设备及存储介质,涉及通信技术领域。所述方法包括：确定第一物理下行控制信道PDCCH配置信息,第一PDCCH配置信息至少用于指示第一IAB基站随机接入过程中发送第一下行消息对应的PDCCH的搜索空间；根据第一PDCCH配置信息,确定第二PDCCH配置信息,第二PDCCH配置信息至少用于指示第一IAB基站随机接入过程中接收第二下行消息对应的PDCCH的搜索空间。将UE接收第一下行消息使用的PDCCH配置信息与回传链路中第一IAB基站接收第二下行消息使用的PDCCH配置信息区分开来,使得第一IAB基站接收第二下行消息的PDCCH的搜索空间与发送第一下行消息的PDCCH的搜索空间时域不重叠,解决了第一IAB基站接收第二下行消息和发送第一下行消息的半双工限制问题。(The application provides an information determination method, an information determination device, an information determination system, information determination equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: determining first Physical Downlink Control Channel (PDCCH) configuration information, wherein the first PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a first downlink message sent in a random access process of a first IAB (inter-access base station); and determining second PDCCH configuration information according to the first PDCCH configuration information, wherein the second PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to the second downlink message received in the random access process of the first IAB. The PDCCH configuration information used by the UE for receiving the first downlink message is distinguished from the PDCCH configuration information used by the first IAB base station for receiving the second downlink message in the return link, so that the time domain of the search space of the PDCCH of the first IAB base station for receiving the second downlink message is not overlapped with the time domain of the search space of the PDCCH for sending the first downlink message, and the problem of half-duplex limitation of the first IAB base station for receiving the second downlink message and sending the first downlink message is solved.)

An information determination method applied to a first access backhaul integrated IAB base station, the method comprising:

determining first Physical Downlink Control Channel (PDCCH) configuration information, wherein the first PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a first downlink message sent in a random access process of the first IAB;

and determining second PDCCH configuration information according to the first PDCCH configuration information, wherein the second PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a second downlink message received in the random access process of the first IAB.

The method of claim 1,

the first PDCCH configuration information includes configuration information of a first time window corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window corresponding to the second downlink message; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes first search space configuration information, and the second PDCCH configuration information includes second search space configuration information; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes configuration information of a first time window and first search space configuration information corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window and second search space configuration information corresponding to the second downlink message.

The method of claim 2, wherein the determining second PDCCH configuration information according to the first PDCCH configuration information comprises:

determining the second search space configuration information according to the first search space configuration information and the first time domain offset;

and/or the presence of a gas in the gas,

and determining the configuration information of the second time window according to the configuration information of the first time window and the second time domain offset.

The method of claim 3, wherein the first time domain offset comprises a slot offset used to determine a number of slots offset over a slot and/or a symbol offset used to determine a number of symbols offset over symbols within a slot.

The method of claim 3 or 4,

the time slot offset is a reference time slot offset, the reference time slot offset is greater than or equal to a parameter value of a first parameter, and the first parameter is used for indicating the number of continuous time slots for monitoring a Physical Downlink Control Channel (PDCCH) in one period; alternatively, the first and second electrodes may be,

the slot offset is indicated by the second IAB base station.

The method of claim 3 or 4,

the symbol offset is a reference symbol offset, the reference symbol offset is greater than or equal to a parameter value of a second parameter, and the second parameter is used for indicating continuous symbol positions of a Physical Downlink Control Channel (PDCCH) monitored in one period; alternatively, the first and second electrodes may be,

the symbol offset is indicated by the second IAB base station.

The method of claim 3, wherein determining the configuration information for the second time window based on the configuration information for the first time window and the second time domain offset comprises:

determining the starting position and window length information of the second time window according to the starting position and window length information of the first time window and the second time domain offset; alternatively, the first and second electrodes may be,

and determining the starting position of the second time window according to the starting position of the first time window and the second time domain offset.

An information determination method applied to a first access backhaul integrated IAB base station, the method comprising:

determining second search space configuration information and/or determining configuration information of a second time window;

the second search space configuration information is used to indicate the first IAB base station to receive a search space of a PDCCH corresponding to a second downlink message in a random access process of the first IAB base station, and the configuration information of the second time window is used to indicate the first IAB base station to receive the second downlink message in the corresponding second time window.

The method of claim 8, wherein the determining second search space configuration information comprises:

and determining a third parameter and/or a fourth parameter in the second search space configuration information, where the third parameter is used to indicate a PDCCH monitoring occasion corresponding to receiving a second downlink message in a random access process of the first IAB base station, and the fourth parameter is used to indicate a symbol position where the first IAB base station receives the second downlink message in the same time slot.

The method of claim 8, wherein determining configuration information for the second time window comprises:

determining a start position and/or window length information of the second time window.

The method of claim 10, wherein a starting position of the second time window is located at a first symbol of a nearest set of control resources at least N symbols after a last symbol of a Physical Random Access Channel (PRACH) listening opportunity, wherein N is an integer greater than 1.

The method of claim 10, wherein a starting position of the second time window is located at a first symbol of an mth set of control resources at least one symbol after a last symbol of a PRACH listening opportunity, the M being an integer greater than 1.

An information determination method applied to a second access backhaul integrated IAB base station, the method comprising:

determining first Physical Downlink Control Channel (PDCCH) configuration information, wherein the first PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a first downlink message sent in a random access process of the first IAB;

and determining second PDCCH configuration information according to the first PDCCH configuration information, wherein the second PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a second downlink message received in the random access process of the first IAB.

The method of claim 13,

the first PDCCH configuration information includes configuration information of a first time window corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window corresponding to the second downlink message; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes first search space configuration information, and the second PDCCH configuration information includes second search space configuration information; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes configuration information of a first time window and first search space configuration information corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window and second search space configuration information corresponding to the second downlink message.

The method of claim 14, wherein the determining second PDCCH configuration information according to the first PDCCH configuration information comprises:

determining the second search space configuration information according to the first search space configuration information and the first time domain offset;

and/or the presence of a gas in the gas,

and determining the configuration information of the second time window according to the configuration information of the first time window and the second time domain offset.

The method of claim 15, wherein the first time domain offset comprises a slot offset used to determine a number of slots offset over a slot and/or a symbol offset used to determine a number of symbols offset over a symbol within a slot.

The method of claim 15 or 16,

the time slot offset is a reference time slot offset, the reference time slot offset is greater than or equal to a parameter value of a first parameter, and the first parameter is used for indicating the number of continuous time slots for monitoring a Physical Downlink Control Channel (PDCCH) in one period; alternatively, the first and second electrodes may be,

the slot offset is indicated by the second IAB base station.

The method of claim 15 or 16,

the symbol offset is a reference symbol offset, the reference symbol offset is greater than or equal to a parameter value of a second parameter, and the second parameter is used for indicating continuous symbol positions of a Physical Downlink Control Channel (PDCCH) monitored in one period; alternatively, the first and second electrodes may be,

the symbol offset is indicated by the second IAB base station.

The method of claim 15, wherein determining the configuration information for the second time window based on the configuration information for the first time window and the second time domain offset comprises:

determining the starting position and window length information of the second time window according to the starting position and window length information of the first time window and the second time domain offset; alternatively, the first and second electrodes may be,

and determining the starting position of the second time window according to the starting position of the first time window and the second time domain offset.

An information determination method applied to a second access backhaul integrated IAB base station, the method comprising:

determining second search space configuration information and/or determining configuration information of a second time window;

the second search space configuration information is used to indicate the first IAB base station to receive a search space of a PDCCH corresponding to a second downlink message in a random access process of the first IAB base station, and the configuration information of the second time window is used to indicate the first IAB base station to receive the second downlink message in the corresponding second time window.

The method of claim 20, wherein the determining second search space configuration information comprises:

and determining a third parameter and/or a fourth parameter in the second search space configuration information, where the third parameter is used to indicate a PDCCH monitoring occasion corresponding to receiving a second downlink message in a random access process of the first IAB base station, and the fourth parameter is used to indicate a symbol position where the first IAB base station receives the second downlink message in the same time slot.

The method of claim 20, wherein determining configuration information for the second time window comprises:

determining a start position and/or window length information of the second time window.

The method of claim 22, wherein a starting position of the second time window is located at a first symbol of a nearest set of control resources at least N symbols after a last symbol of a Physical Random Access Channel (PRACH) listening opportunity, wherein N is an integer greater than 1.

The method of claim 22, wherein a starting position of the second time window is located at a first symbol of an mth set of control resources at least one symbol after a last symbol of a PRACH listening opportunity, the M being an integer greater than 1.

An information determination apparatus, for use in a first access backhaul integrated IAB base station, the apparatus comprising:

a first determining module, configured to determine first PDCCH configuration information, where the first PDCCH configuration information is at least used to indicate a search space of a PDCCH corresponding to a first downlink message sent in a random access process of the first IAB base station;

a second determining module, configured to determine second PDCCH configuration information according to the first PDCCH configuration information, where the second PDCCH configuration information is at least used to indicate a search space of a PDCCH corresponding to a second downlink message received in a random access process of the first IAB base station.

The apparatus of claim 25,

the first PDCCH configuration information includes configuration information of a first time window corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window corresponding to the second downlink message; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes first search space configuration information, and the second PDCCH configuration information includes second search space configuration information; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes configuration information of a first time window and first search space configuration information corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window and second search space configuration information corresponding to the second downlink message.

The apparatus of claim 26, wherein the second determining module is to:

determining the second search space configuration information according to the first search space configuration information and the first time domain offset;

and/or the presence of a gas in the gas,

and determining the configuration information of the second time window according to the configuration information of the first time window and the second time domain offset.

The apparatus of claim 27, wherein the first time domain offset comprises a slot offset used to determine a number of slots offset over a slot and/or a symbol offset used to determine a number of symbols offset over a symbol within a slot.

The apparatus of claim 27 or 28,

the time slot offset is a reference time slot offset, the reference time slot offset is greater than or equal to a parameter value of a first parameter, and the first parameter is used for indicating the number of continuous time slots for monitoring a Physical Downlink Control Channel (PDCCH) in one period; alternatively, the first and second electrodes may be,

the slot offset is indicated by the second IAB base station.

The apparatus of claim 27 or 28,

the symbol offset is a reference symbol offset, the reference symbol offset is greater than or equal to a parameter value of a second parameter, and the second parameter is used for indicating continuous symbol positions of a Physical Downlink Control Channel (PDCCH) monitored in one period; alternatively, the first and second electrodes may be,

the symbol offset is indicated by the second IAB base station.

The apparatus of claim 27, wherein the second determining module is to:

determining the starting position and window length information of the second time window according to the starting position and window length information of the first time window and the second time domain offset; alternatively, the first and second electrodes may be,

and determining the starting position of the second time window according to the starting position of the first time window and the second time domain offset.

An information determination apparatus, for use in a first access backhaul integrated IAB base station, the apparatus comprising:

a third determining module, configured to determine second search space configuration information, and/or determine configuration information of a second time window;

the second search space configuration information is used to indicate the first IAB base station to receive a search space of a PDCCH corresponding to a second downlink message in a random access process of the first IAB base station, and the configuration information of the second time window is used to indicate the first IAB base station to receive the second downlink message in the corresponding second time window.

The apparatus of claim 32, wherein the third determination module is to:

and determining a third parameter and/or a fourth parameter in the second search space configuration information, where the third parameter is used to indicate a PDCCH monitoring occasion corresponding to receiving a second downlink message in a random access process of the first IAB base station, and the fourth parameter is used to indicate a symbol position where the first IAB base station receives the second downlink message in the same time slot.

The apparatus of claim 32, wherein the third determination module is to:

determining a start position and/or window length information of the second time window.

The apparatus of claim 34, wherein a starting position of the second time window is located at a first symbol of a nearest set of control resources at least N symbols after a last symbol of a Physical Random Access Channel (PRACH) listening opportunity, N being an integer greater than 1.

The apparatus of claim 34, wherein a starting position of the second time window is located at a first symbol of an mth set of control resources at least one symbol after a last symbol of a PRACH listening opportunity, the M being an integer greater than 1.

An information determination apparatus, for use in a second access backhaul integrated IAB base station, the apparatus comprising:

a fourth determining module, configured to determine first PDCCH configuration information, where the first PDCCH configuration information is at least used to indicate a search space of a PDCCH corresponding to a first downlink message sent in a random access process of the first IAB base station;

a fifth determining module, configured to determine second PDCCH configuration information according to the first PDCCH configuration information, where the second PDCCH configuration information is at least used to indicate a search space of a PDCCH corresponding to a second downlink message received in a random access process of the first IAB base station.

The apparatus of claim 37,

the first PDCCH configuration information includes configuration information of a first time window corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window corresponding to the second downlink message; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes first search space configuration information, and the second PDCCH configuration information includes second search space configuration information; alternatively, the first and second electrodes may be,

the first PDCCH configuration information includes configuration information of a first time window and first search space configuration information corresponding to the first downlink message, and the second PDCCH configuration information includes configuration information of a second time window and second search space configuration information corresponding to the second downlink message.

The apparatus of claim 38, wherein the fifth determination module is to:

determining the second search space configuration information according to the first search space configuration information and the first time domain offset;

and/or the presence of a gas in the gas,

and determining the configuration information of the second time window according to the configuration information of the first time window and the second time domain offset.

The apparatus of claim 39, wherein the first time domain offset comprises a slot offset used to determine a number of slots offset over a slot and/or a symbol offset used to determine a number of symbols offset over a symbol within a slot.

The apparatus of claim 39 or 40,

the time slot offset is a reference time slot offset, the reference time slot offset is greater than or equal to a parameter value of a first parameter, and the first parameter is used for indicating the number of continuous time slots for monitoring a Physical Downlink Control Channel (PDCCH) in one period; alternatively, the first and second electrodes may be,

the slot offset is indicated by the second IAB base station.

The apparatus of claim 39 or 40,

the symbol offset is a reference symbol offset, the reference symbol offset is greater than or equal to a parameter value of a second parameter, and the second parameter is used for indicating continuous symbol positions of a Physical Downlink Control Channel (PDCCH) monitored in one period; alternatively, the first and second electrodes may be,

the symbol offset is indicated by the second IAB base station.

The apparatus of claim 39, wherein the fifth determination module is to:

determining the starting position and window length information of the second time window according to the starting position and window length information of the first time window and the second time domain offset; alternatively, the first and second electrodes may be,

and determining the starting position of the second time window according to the starting position of the first time window and the second time domain offset.

An information determination apparatus, for use in a second access backhaul integrated IAB base station, the apparatus comprising:

a sixth determining module, configured to determine second search space configuration information, and/or determine configuration information of a second time window;

the second search space configuration information is used to indicate the first IAB base station to receive a search space of a PDCCH corresponding to a second downlink message in a random access process of the first IAB base station, and the configuration information of the second time window is used to indicate the first IAB base station to receive the second downlink message in the corresponding second time window.

The apparatus of claim 44, wherein the sixth determination module is to:

and determining a third parameter and/or a fourth parameter in the second search space configuration information, where the third parameter is used to indicate a PDCCH monitoring occasion corresponding to receiving a second downlink message in a random access process of the first IAB base station, and the fourth parameter is used to indicate a symbol position where the first IAB base station receives the second downlink message in the same time slot.

The apparatus of claim 44, wherein the sixth determination module is to:

determining a start position and/or window length information of the second time window.

The apparatus of claim 46, wherein a starting position of the second time window is located at a first symbol of a nearest set of control resources at least N symbols after a last symbol of a Physical Random Access Channel (PRACH) listening opportunity, N being an integer greater than 1.

The apparatus of claim 46, wherein a starting position of the second time window is located at a first symbol of an Mth set of control resources at least one symbol after a last symbol of a PRACH listening opportunity, M being an integer greater than 1.

A communication system comprising a first access backhaul integrated IAB base station and a second IAB base station, the first IAB base station comprising the apparatus of any of claims 25 to 36, and the second IAB base station comprising the apparatus of any of claims 37 to 48.

A first IAB base station comprising a processor and a memory, the memory storing at least one instruction for execution by the processor to implement the method of any of claims 1 to 12.

A second IAB base station comprising a processor and a memory, the memory storing at least one instruction for execution by the processor to implement the method of any of claims 13 to 24.

A computer-readable storage medium, wherein the storage medium stores at least one instruction for execution by a processor to implement the method of any of claims 1 to 12 or to implement the method of any of claims 13 to 24.