WO2018028675A1

WO2018028675A1 - Random access signal configuration method, apparatus, device, system and storage medium

Info

Publication number: WO2018028675A1
Application number: PCT/CN2017/097099
Authority: WO
Inventors: 侯雪颖; 刘光毅; 徐晓东; 胡丽洁; 沈晓冬
Original assignee: 中国移动通信有限公司研究院; 中国移动通信集团公司
Priority date: 2016-08-12
Filing date: 2017-08-11
Publication date: 2018-02-15
Also published as: CN107734677A

Abstract

Disclosed in the embodiments of the present invention are a random access signal configuration method, apparatus, device, system and storage medium, the method comprising: configuring multiple random access signal transmission modes for a user equipment (UE); and using a system message or a high-level signaling to inform the UE of the multiple random access signal transmission modes configured therefor.

Description

Random access signal configuration method, device, device, system and storage medium

Cross-reference to related applications

The present application is filed on the basis of the Chinese Patent Application Serial No. No. No. No. No. No. No. No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No

Technical field

The present invention relates to the field of wireless communications technologies, and in particular, to a random access signal configuration method, apparatus, device, system, and storage medium.

Background technique

For TDD (Time Division Duplexing) transmission, if the TDD uplink and downlink ratio of different cells in the network can be flexibly changed according to the service demand of the cell, there will be uplink and downlink interference. For example, for the future 5G (Fifth Generation Mobile Communication) system, when considering TDD transmission, in order to more dynamically adapt to the uplink and downlink service requirements of different cells, different cells may dynamically adjust the uplink and downlink transmission subframe duration, location, and the like. Therefore, there may be interference in the uplink and downlink of different cells.

For TDD transmission, even if the TDD uplink and downlink ratios of different cells in the network are the same, due to the atmospheric waveguide transmission, the downlink transmission of the base station far away from a target base station exceeds the guard interval (GP) due to the propagation delay, and the downlink of the remote base station It still causes strong interference to the uplink of the target base station. For example, for the existing TD-LTE (Time Division Long Term Evolution) system, even if all the cells in the network adopt the same TDD time slot ratio, for the macro station, even if the location is relatively high, even if they are separated Hundreds of kilometers, due to propagation delay, there may still be downlink interference to the uplink transmission, as shown in Figure 1.

For the uplink random access signal transmission in the system, if the design of the existing LTE system is used, the location of the uplink random access signal is fixed in some uplink subframes through RRC configuration signaling, and the transmission transmission time length is fixed, then When the interference occurs, the information sent by the uplink cannot be correctly detected by the base station, and the base station cannot correctly detect the uplink access signal, resulting in uplink access failure or increased access delay.

Summary of the invention

The embodiments of the present invention provide a method, a device, a device, a system, and a storage medium for configuring a random access signal, which are used to improve the flexibility of the random access signal configuration, the access success rate, and the access delay.

An embodiment of the present invention provides a method for configuring a random access signal applied to a network side, including:

Configuring multiple types of random access signal transmission modes for the UE (User Experience);

The system message or high layer signaling is used to notify the UE of multiple types of random access signal transmission modes configured for the UE.

In an embodiment, the method further includes:

Selecting a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission mode;

Using the system message or higher layer signaling to notify the UE of the default random access signal transmission mode configured for it.

In an embodiment, the method further includes:

The downlink control information is sent to the UE, where the downlink control information carries indication information that is used to indicate that the UE transmits a random access signal transmission mode, which is selected from a pre-configured multi-type random access signal transmission manner.

In an embodiment, at least one configuration information of each type of random access signal transmission manner is different, and the configuration information includes at least one of: a transmission period of the random access signal, and a time domain location of the random access signal. And frequency domain location and random access sequence.

In an embodiment, the time domain location of the random access signal includes a time domain length of the random access signal, where a time domain length of the random access signal is different in each type of random access signal transmission mode. The time domain length includes a standard time domain length, and at least one of the following time domain lengths: a shortened length time domain length and an increased length time domain length.

In an embodiment, random access signals having different time domain lengths are determined according to the following method:

Determining a first ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened/increased length of the time domain;

Determining, according to the first time domain length occupied by the random access signal of the standard time domain length and the first ratio, determining a second time domain length occupied by the random access signal of the time domain length of the shortened/increase length.

Determining a second ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened length time domain length;

Determining, according to a third time domain length occupied by the random access signal of the standard time domain length and the second ratio, determining a fourth time domain length occupied by the random access signal of the shortened length time domain length;

Determining the time domain length occupied by the random access signal of the increased length of the time domain is the sum of the third time domain length and the fourth time domain length.

In an embodiment, before sending the downlink control information to the UE, the method further includes:

Determining configuration information of the downlink control information detection window;

Notifying the configuration information of the downlink control information detection window determined by the UE by using a system message or a high layer signaling.

In an embodiment, the configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

In an embodiment, the downlink control information further includes at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating the pre-configured The indication information of whether the time domain transmission location changes; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the channel quality measured by the UE.

In an embodiment, if the downlink control information carries indication information for indicating a pre-configured time domain transmission location change, the downlink control information further carries an indication for indicating the changed time domain transmission location. information.

In an embodiment, the changed time domain transmission location includes a portion of the time domain resources and/or new time domain resources available in the pre-configured time domain transmission location.

In an embodiment, the indication information used to indicate the changed time domain transmission location is location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource or the indication is used to indicate a change The indication information of the subsequent time domain transmission location is the subframe identifier in the radio frame occupied by the changed time domain transmission resource.

The embodiment of the present invention further provides a method for configuring a random access signal applied to a UE side, including:

The receiving network transmits multiple types of random access signals by using system messages or high-level signaling.

In an embodiment, the method further includes:

Receiving a default random access signal transmission manner that is notified by the network side by using a system message or a high layer signaling, where the default random access signal transmission mode is a multi-type random access signal transmission manner configured from the network side. Choose to get.

In an embodiment, the method further includes:

And receiving, by the network side, the downlink control information, where the downlink control information carries the indication information that is used by the network side to indicate a transmission mode of the random access signal.

In an embodiment, before receiving the downlink control information, the method further includes:

Receiving each type of random access message notified by the network side using system messages or high layer signaling The configuration information of the transmission mode includes at least one of the following: a transmission period of the random access signal, a time domain location of the random access signal, a frequency domain location, and a random access sequence.

Receiving, by the network side, configuration information of a downlink control information detection window that is notified by using a system message or a high layer signaling;

After receiving the downlink control information sent by the network side, the method further includes:

The downlink control information is obtained according to the configuration information of the downlink control information detection window sent by the network side.

In an embodiment, the downlink control information further carries time domain location information of periodic random access signal transmission;

The method further includes:

Determining, according to the indication information used to indicate a transmission mode of the transmission random access signal, a transmission mode of transmitting the random access signal;

And transmitting, according to the determined random access signal transmission manner, a random access signal to the network side in a time domain position of the random signal transmission carried in the downlink control indication information.

In an embodiment, the downlink control information further includes at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating whether the pre-configured time domain transmission location is changed. The indication information is used to indicate whether the UE can select indication information of a random access signal transmission manner according to the channel quality measured by the UE.

In an embodiment, the changed time domain transmission location includes a part of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location; and if the determination is based on the downlink control information, Channel quality selects the random access signal transmission method;

And sending, according to the determined random access signal transmission manner, a random access signal to the network side in a time domain location of the random signal transmission carried in the downlink control indication information, specifically:

According to the measured channel quality and the determined random access signal transmission mode, the partial time domain resource corresponding location and/or the newly added time domain resource corresponding location available in the pre-configured time domain transmission location are sent to the network side to be randomly connected. Into the signal.

In an embodiment, the method further includes:

If the downlink control information is not detected, the random access signal is sent according to the default random access signal transmission manner configured on the network side.

An embodiment of the present invention further provides a random access signal configuration apparatus applied to a network side, including:

a configuration unit configured to configure multiple types of random access signal transmission modes for the UE;

The first notification unit is configured to notify the UE of the multi-type random access signal transmission manner configured by the UE by using a system message or a high layer signaling.

In an embodiment, the configuration unit is further configured to select a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission mode;

The first notification unit is further configured to notify the UE of the default random access signal transmission mode configured by the UE by using a system message or a high layer signaling.

In an embodiment, the apparatus further includes:

And a sending unit, configured to send, to the UE, downlink control information, where the downlink control information is selected from a plurality of types of random access signal transmission modes configured for the UE, and is used to indicate that the UE transmits a random connection. Indication of the signal transmission mode.

In an embodiment, in each type of random access signal transmission mode, the time domain length of the random access signal is different, the time domain length includes a standard time domain length, and at least one of the following time domain lengths: when the length is shortened The length of the field and the length of the time domain of the added length.

In an embodiment, the apparatus further includes:

a first determining unit, configured to determine a first ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the time domain length of the shortened/increase length;

a second determining unit, configured to determine, according to a first time domain length occupied by the random access signal of the standard time domain length and the first ratio, to determine a second time domain occupied by the random access signal of the time domain length of the shortened/increase length length.

In an embodiment, the apparatus further includes:

a third determining unit, configured to determine a second ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened length time domain length;

a fourth determining unit, configured to determine, according to a third time domain length occupied by the random access signal of the standard time domain length and the second ratio, a fourth time domain length occupied by the random access signal of the shortened length time domain length;

And a fifth determining unit, configured to determine that the time domain length occupied by the random access signal of the increased length of the time domain is the sum of the third time domain length and the fourth time domain length.

In an embodiment, the apparatus further includes:

a sixth determining unit, configured to determine configuration information of the downlink control information detection window before the sending unit sends the downlink control information to the UE;

The second notification unit is configured to notify the configuration information of the downlink control information detection window determined by the UE by using a system message or a high layer signaling.

The embodiment of the present invention further provides a base station, which includes a random access signal configuration apparatus applied to a network side in the embodiment of the present invention.

The embodiment of the present invention further provides a device for configuring a random access signal that should be configured as a UE side, including:

The first receiving unit is configured to receive a plurality of types of random access signal transmission manners that are notified by the network side by using system messages or high layer signaling.

In an embodiment, the apparatus further includes:

The second receiving unit is configured to receive a default random access signal transmission manner, where the network access side system message or the high layer signaling is notified, where the default random access signal transmission mode is a plurality of types of random configurations configured from the network side. Selected in the access signal transmission mode.

In an embodiment, the apparatus further includes:

The third receiving unit is configured to receive the downlink control information that is sent by the network side, where the downlink control information is selected by the network side to be selected from the configured multiple types of random access signal transmission manners, and is used to indicate the transmission random access. Indicates the signal transmission method.

In an embodiment, the device for configuring a random access signal implemented by the UE side according to the embodiment of the present invention further includes:

The fourth receiving unit is configured to receive configuration information of the downlink control information detection window that is notified by the network side by using the system message or the high layer signaling before the third receiving unit receives the downlink control information;

The detecting unit is configured to detect, after the third receiving unit receives the downlink control information sent by the network side, the downlink control information according to the configuration information of the downlink control information detection window sent by the network side.

The device also includes:

a determining unit, configured to determine, according to the indication information used to indicate a transmission mode of the transmission random access signal, a transmission mode of transmitting the random access signal;

The first sending unit is configured to send, to the network side, a random time in a time domain location of the random signal transmission carried in the downlink control indication information according to the determined random access signal transmission mode Access signal.

The first sending unit is configured to, according to the measured channel quality and the determined random access signal transmission manner, a partial time domain resource corresponding location and/or a newly added time domain resource available in the pre-configured time domain transmission location. A random access signal is sent to the network side at the corresponding location.

In an embodiment, the apparatus further includes:

The second sending unit is configured to: if the downlink control information is not detected, send the random access signal according to the default random access signal transmission manner configured by the network side.

The embodiment of the present invention further provides a user equipment, which includes a random access signal configuration apparatus applied to the UE side in the embodiment of the present invention.

The embodiment of the present invention further provides a random access signal configuration system, including the base station and user equipment according to the embodiment of the present invention.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores a computer program, and the computer program is used to execute a random access signal configuration method applied to the network side according to the embodiment of the invention.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores a computer program, and the computer program is used to execute a random access signal configuration method applied to the user equipment according to the embodiment of the invention.

An embodiment of the present invention further provides a base station, including: a first transceiver, a first memory, and a first processor; storing, on the first memory, a computer program executable on the first processor, the first transceiver being capable of data transmission when the first processor runs a computer program; The steps of the method for configuring a random access signal applied to a base station according to the embodiment of the present invention are implemented when the processor executes the program.

An embodiment of the present invention further provides a user equipment, including: a second transceiver, a second memory, and a second processor; and the second memory stores a computer program executable on the second processor, The second transceiver is capable of performing data transmission when the second processor runs a computer program; and when the processor executes the program, the random access signal configuration method applied to the user equipment according to the embodiment of the present invention is implemented. A step of.

The method, device, device, system, and storage medium for configuring a random access signal according to an embodiment of the present invention, the network side pre-configures multiple types of random access signal transmission modes for the user, so that the base station can select which UE to use according to the real-time interference situation. A type of transmission mode transmits a random access signal, thereby improving flexibility of random access signal configuration, random access signal and access success rate, and reducing access delay.

Other features and advantages of the invention will be set forth in the description which follows, The objectives and other advantages of the invention may be realized and obtained by means of the structure particularly pointed in the appended claims.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a schematic diagram of uplink and downlink interference in a TD-LTE system in the prior art;

2a is a schematic diagram of a random access signal with a standard time domain length and a shortened length time domain length configured on the network side according to an embodiment of the present invention;

FIG. 2b is a schematic diagram of a random access signal with a standard time domain length and an increased length time domain length configured on the network side according to an embodiment of the present invention; FIG.

3a is a schematic flowchart of determining a random access signal with different time domain lengths according to a first manner according to an embodiment of the present disclosure;

FIG. 3b is a schematic flowchart of determining a random access signal with different time domain lengths according to a second manner according to an embodiment of the present disclosure;

4 is a schematic flowchart of an implementation process of a first random access signal configuration method implemented by a network side according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a configuration of a random access signal according to an embodiment of the present invention;

FIG. 6 is a schematic flowchart of an implementation process of a first random access signal configuration method performed by a UE side according to an embodiment of the present disclosure;

FIG. 7 is a schematic flowchart of a random access signal sent by a UE to a network side after receiving downlink control information sent by a network side according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a device for configuring a random access signal implemented by a network side according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a device for configuring a random access signal implemented on a UE side according to an embodiment of the present disclosure;

10 is a schematic flowchart of implementing a second method for configuring a random access signal implemented by a network side according to an embodiment of the present invention;

11 is a schematic flowchart of an implementation process of a second random access signal configuration method implemented by a UE side according to an embodiment of the present disclosure;

FIG. 12 is a schematic structural diagram of a second random access signal configuration apparatus implemented by a network side according to an embodiment of the present disclosure;

FIG. 13 is a schematic structural diagram of a second random access signal configuration apparatus implemented by a UE side according to an embodiment of the present disclosure;

FIG. 14 is a schematic structural diagram of a random access signal configuration system according to an embodiment of the present invention;

detailed description

In order to improve the flexibility of the random access signal configuration, improve the random signal access success rate, and reduce the random access delay, the embodiment of the present invention provides a random access signal configuration method, apparatus, device, system, and storage medium.

The embodiments of the present invention are described in the following with reference to the accompanying drawings. It is understood that the embodiments described herein are only used to illustrate and explain the present invention, and are not intended to limit the present invention, and The features in the examples and embodiments may be combined with each other.

According to the method for configuring a random access signal according to an embodiment of the present invention, the network side configures a plurality of types of random access signal transmission modes for the UE in advance, and notifies the UE to configure multiple types of random connections for the UE by using a system message in a broadcast form or high layer signaling. In the signal transmission mode, according to the uplink/downlink interference situation, the dynamic downlink control information of the physical layer indicates that the UE uses a type of random access signal transmission mode in a pre-configured multi-type transmission mode for transmission, because the base station can be according to the wireless system. The real-time interference situation, flexible adjustment of the transmission mode of the random access signal, improves the success rate of random access signal access, avoids the UE attempting to access multiple times, and reduces the access delay.

In a specific implementation, on the network side, the base station may configure a N (N is a positive integer greater than or equal to 1) type of random access signal transmission mode for the UE by using a system message in broadcast form or higher layer signaling, and configure periodic random access. Time domain location information for signal transmission. Specifically, the network side determines configuration information of each type of random access signal transmission mode, where the configuration information includes at least one of the following: a transmission period of the random access signal, a time domain location of the random access signal, and a frequency domain location and a random access sequence; using system messages or higher layer signaling to notify the UE of configuration information of each type of random access signal transmission mode.

As an implementation manner, at least one configuration information of each type of random access signal transmission mode configured by the UE on the network side is different, and each type of random access signal transmission mode configured by the network side for the UE can enable the UE After the configuration is known, the corresponding resource is found and based on the resource to the network side. Transmit random access signals. For example, each type of transmission mode configured by the network side for the UE includes a specific transmission period of the random access signal, a time domain location of the random access signal, a frequency domain location, and a random access sequence, and the difference of different types of transmission modes. The method may include different time domain locations, different sequence lengths, and the like; or different types of random access signal transmission modes refer to different random access signal transmission time domain lengths and/or corresponding sequences, and random access signal transmission modes. The other information is the same, for example, the frequency domain location, the transmission period, and the like, and the configuration information of the random access signal transmission mode further includes time domain location information of the periodic random access signal transmission.

As an implementation manner, the network side may also configure a default transmission mode for the UE according to the determined multiple types of transmission modes, and notify the UE by using system messages or high layer signaling. That is, if the network side does not carry the specific indication information in the downlink control information, the UE transmits the random access signal to the network side by using the default random access signal transmission mode configured on the network side.

In an embodiment, in each type of random access signal transmission mode, the time domain length of the random access signal is different, the time domain length includes a standard time domain length, and at least one of the following time domain lengths: a shortened length The length of the time domain and the length of the time domain of the increased length.

As shown in FIG. 2a, it is a schematic diagram of a random access signal of a standard time domain length and a shortened length time domain length configured on the network side, and the network side base station configures a standard length random access for the UE in consideration of its coverage. a signal, such as a random access signal with a time domain length of 1 subframe; and at the same time, configuring at least one random access signal with a shorter length than a standard length for the UE; wherein the network side can also specify a certain length (such as a standard length) The random access signal is the default configuration.

As shown in FIG. 2b, it is a schematic diagram of a random access signal of a standard time domain length and a length of a time domain length configured on the network side, and the network side base station configures a standard length random access signal according to the coverage thereof. For example, the UE is configured with at least one random access signal of a length longer than the standard length, and the network side can also specify a certain length (for example, The standard length) random access signal is the default configuration.

During specific implementation, the network side may determine random times with different time domain lengths in any of the following manners. Access signal.

Manner 1: The random access signals of different time domain lengths are implemented by different frequency domain subcarrier sizes.

As shown in FIG. 3a, it is a schematic flowchart of determining a random access signal with different time domain lengths according to mode 1, and may include the following steps:

S311. Determine a first ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the time domain length of the shortened/increase length.

S312. Determine a second time domain length occupied by the random access signal of the time domain length of the shortened/increase length according to the first time domain length and the first ratio occupied by the random access signal of the standard time domain length.

Specifically, the frequency domain subcarrier spacing corresponding to the random access signal of the standard time domain length is k1, and the frequency domain subcarrier spacing corresponding to the shortened length random access signal is k2, where k2>k1, and k2/k1 The value is the same as the time domain length ratio occupied by the standard time domain length and the shortened length random access signal, thereby determining the time domain length occupied by the shortened length random access signal.

Similarly, the frequency domain subcarrier spacing occupied by the random access signal of the normal length is k1, and the frequency domain subcarrier spacing occupied by the increasing length random access signal is k3 as an example, k3<k1, and the value of k3/k1 is The ratio of the time domain length occupied by the random access signal of the normal length and the increased length is the same, and thus, the time domain length occupied by the random access signal of the increased length can be determined.

Manner 2: Random access signals of different time domain lengths are implemented by different frequency domain subcarrier sizes and time domain repetition.

As shown in FIG. 3b, it is a schematic flowchart of determining a random access signal with different time domain lengths according to mode 2, which may include the following steps:

S321. Determine a second ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length to a frequency domain resource interval occupied by the random access signal of the shortened length time domain length.

S322. Determine, according to a third time domain length occupied by the random access signal of the standard time domain length and the second ratio, a fourth time domain length occupied by the random access signal of the shortened length time domain length.

S323. Determine a time domain length occupied by the random access signal of the increased length of the time domain as a sum of the third time domain length and the fourth time domain length.

For example, the frequency domain subcarrier spacing occupied by the random access signal of the normal length is k1, and the frequency domain subcarrier spacing occupied by the shortened length random access signal length is k2, where k2>k1 and the value of k2/k1 The ratio of the time domain length occupied by the random access signal of the standard time domain length and the shortened length is the same, thereby determining the time domain length occupied by the shortened length random access signal, and increasing the length of the random signal by the above standard length It is formed by splicing the time domain length occupied by the shortened length random signal.

As shown in FIG. 4, a method for configuring a random access signal according to an embodiment of the present invention may include the following steps:

S41. Configure multiple types of random access signal transmission modes for the UE.

As an implementation manner, in a specific implementation, the base station first determines configuration information of each type of random access signal transmission mode configured for the UE, where the configuration information includes at least one of the following: a transmission period of the random access signal, The time domain location and frequency domain location of the random access signal and the random access sequence.

S42. The system message or the high layer signaling is used to notify the UE of multiple types of random access signal transmission modes configured by the UE.

In a specific implementation, the network side may also select a type of random access signal transmission mode from the multiple types of random access signal transmission modes configured for the UE as a default random access signal transmission mode; and use system messages or high layer signaling notifications. The default random access signal transmission mode configured by the UE.

As an implementation manner, the network side, according to the pre-configured multi-type random access signal transmission mode, combined with the real-time interference situation, can use the dynamic downlink control information to indicate which type of transmission mode the UE specifically uses to transmit the random access signal. .

Based on this, the random access signal configuration method provided by the embodiment of the present invention may further include Next steps:

S43. Send downlink control information to the UE.

The downlink control information carries indication information, which is selected from a pre-configured multi-type random access signal transmission manner, and is used to indicate that the UE transmits a random access signal transmission manner.

As an implementation manner, before performing step S43, the following steps may also be included:

Step 1. Determine configuration information of the downlink control information detection window.

The configuration information of the downlink control information detection window includes a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

Step 2: Notifying the configuration information of the downlink control information detection window determined by the UE by using a system message or a high layer signaling.

It should be noted that there is no certain order of execution between step 1 and step 2 and step S41 and step S42. Steps 1 and 2 may be performed before step S41 and step S42, and may be performed after step S41 and step S42. Or the steps 1 and 2 can be performed at the same time in the step S41 and the step S42.

In an embodiment, if the multiple types of random access signal transmission manners configured by the network side base station in the system message or the high layer signaling refer to different random access signal transmission time domain lengths and/or corresponding sequences, then The downlink control information may further carry a transmission manner for indicating a random access signal of the time domain length used by the UE, for example, to inform the UE whether the random access signal of the standard time domain length is transmitted, or the random access of the shortened length The signal is also a random access signal of increased length.

In another embodiment, the network side may further indicate, by using dynamic downlink control information, whether the time domain location of the pre-configured transmission random access signal of the UE changes, for example, if the time domain location of the random access signal is not changed, Then, the bit corresponding to the indication information is set to zero. If the time domain position of the transmission random access signal changes, the bit corresponding to the indication information is set to 1. In addition, the network side may also indicate the changed time domain location by using the downlink control information.

For example, an indication manner that the network side indicates the changed time domain location in the downlink control information is an offset of the time domain transmission location of the changed random access signal relative to the pre-configured time domain location, the offset value The OFDM (Orthogonal Frequency Division Multiplexing) symbol may be used in units of subframes, or may be indicated by a subframe number in a radio frame.

During specific implementation, the time domain location of the transmitted random access signal changes, including the following two situations:

In the first case, the pre-configured time domain location cannot transmit the random access signal, and only the random access signal can be transmitted in the subsequent one subframe or multiple subframes;

The second case: a part of the symbols in the pre-configured time domain location can be used for transmission, or this part of the symbol and one or more subsequent subframes can also be used to transmit the random access signal.

In another embodiment, the downlink control information may further carry indication information that the UE may select a suitable random access signal transmission manner to send the random access signal according to the link quality condition.

Specifically, for example, when the UE determines that the time domain location configured by the system message or the high layer signaling on the network side (for example, it may be an uplink subframe), the random access signal may be sent, and subsequent additional time domain resource transmission is performed. Random access signal, and the UE determines, according to the indication information carried in the downlink control information, that the network side allows the UE to select a suitable random access signal transmission manner according to the link quality condition to send the random access signal, and the UE may perform downlink measurement according to the downlink measurement signal. The obtained link quality is selected as follows: 1) the random access signal is sent only in the uplink subframe configured by the system side or the high layer signaling on the network side, 2) or only in the subsequent at least one subframe indicated in the downlink control information. The random access signal, 3) or the uplink subframe configured by the high-layer signaling on the network side and the subframe that is dynamically indicated by the downlink control information on the network side simultaneously transmit the random access signal.

Based on this, at least one piece of indication information may be carried in the downlink control information sent by the network side: indication information indicating a time domain length occupied by the random access signal; The indication information of whether the first time domain transmission location is changed; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the measured channel quality.

The changed time domain transmission location includes a part of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location. Correspondingly, the indication information used to indicate the changed time domain transmission location is location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource or the time domain transmission used to indicate the change The indication information of the location is a subframe identifier in a radio frame occupied by the changed time domain transmission resource.

As shown in FIG. 5, it is a schematic diagram of a random access signal configuration according to an embodiment of the present invention.

In the specific implementation, in order to reduce the UE detection complexity and achieve power consumption, the network side may also configure a downlink control information detection window for the UE, and notify the UE of the time domain detection window of the downlink control information detection by using system information or high layer signaling. To prevent the UE from always detecting the common control information of the downlink subframe. Based on this, the network side may further determine configuration information of the downlink control information detection window, where the configuration information of the downlink control information detection window includes a detection period of the downlink control information, a time domain offset information within the detection period, and a detection window length. The information of the downlink control information detection window determined by the UE is notified by using the system message or the high layer signaling.

It can be seen that, according to the embodiment of the present invention, the network side can configure multiple types of random access signal transmission modes for the UE by using system messages in the form of broadcast or high-layer signaling, and the dynamic downlink control information of the physical layer is used as the UE. Indicating one of the plurality of types of random access signal transmission modes for transmission. In particular, if the UE does not detect the downlink control information, the UE performs the transmission of the random access signal by using the default random access signal transmission mode configured in the system message or the high layer signaling.

FIG. 6 is a schematic flowchart of an implementation process of a method for configuring a random access signal implemented by a UE according to an embodiment of the present invention, which may include the following steps:

S61. Receive multiple types of random access signal transmission modes notified by the network side by using system messages or high layer signaling.

As an implementation manner, the method for configuring a random access signal on the UE side may further include:

S62. Receive a default random access signal transmission manner by using the network side system message or the high layer signaling notification.

The default random access signal transmission mode is selected from multiple types of random access signal transmission modes configured on the network side.

S63. Receive downlink control information sent by the network side.

The downlink control information carries indication information that is selected by the network side to indicate a transmission mode of the random access signal from the pre-configured multi-type random access signal transmission mode. The UE performs random access signal transmission according to the random access signal transmission manner indicated in the downlink control information.

In another embodiment, the method for configuring a random access signal that is implemented by the UE may further include: before receiving the downlink control information,

Receiving configuration information of the downlink control information detection window that is notified by the network side by using a system message or a high layer signaling.

The configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

After receiving the downlink control information sent by the network side, the method further includes: detecting, according to the configuration information of the downlink control information detection window sent by the network side, the downlink control information.

Specifically, the UE reads the system message or the high layer signaling, and detects the indication information related to the random access signal transmission configuration included in the dynamic downlink control information according to the time domain detection window detected by the dynamic downlink control information configured by the network side.

As an implementation manner, in a specific implementation, if the random signal transmission side configured on the network side If there is interference in the transmission location, the downlink control information that can be sent by the network side also carries the time domain location information of the periodic random access signal transmission.

Based on this, after receiving the downlink control information sent by the network side, the UE side may send a random access signal to the network side according to the process shown in FIG. 7, including:

S71. Determine, according to the indication information that is used in the downlink control information to indicate a transmission mode of the transmission random access signal, determine a transmission mode of the transmission random access signal.

S72. Send a random access signal to the network side in a time domain position in the downlink control information according to the determined random access signal transmission mode.

As an implementation manner, the downlink control information further includes at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating whether the pre-configured time domain transmission location is changed. The indication information is used to indicate whether the UE can select indication information of a random access signal transmission manner according to the channel quality measured by the UE.

If the downlink control information carries the indication information for indicating the pre-configured time domain transmission location change, the downlink control information further carries indication information for indicating the changed time domain transmission location. The changed time domain transmission location includes a part of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location; and if it is determined according to the downlink control information, the random connection can be selected according to the measured channel quality. In the signal transmission mode, in step S72, the method may also be implemented as follows: according to the measured channel quality and the determined random access signal transmission mode, the partial time domain resource corresponding position available in the pre-configured time domain transmission location And/or sending a random access signal to the network side corresponding to the location of the new time domain resource.

According to the embodiment of the present invention, if the UE detects the system message or the high-level signaling configuration, and the dynamic downlink control information, the transmission mode of the random access signal is determined according to the foregoing two types of information, including:

If the UE determines that the network side can send a random access signal in a time domain location of the system message or the high layer signaling configuration, and subsequently does not have an additional time domain resource to send the random access signal, then the network The transmission mode indicated by the network side sends a random access signal;

If the UE determines that the random access signal can be sent in the time domain location configured by the system side or the high layer signaling on the network side, and then the additional time domain resource sends the random access signal, and/or the UE detects according to the downlink control information. The corresponding indication determines that it can select a suitable random access signal transmission mode to send a random access signal according to the measured link quality condition, and the UE can select the link quality according to the downlink measurement: 1) pass only on the network side The time domain resource configured by the system message or the high layer signaling (for example, may be an uplink subframe), 2) or only the subsequent time domain resource indicated in the downlink control information (for example, may be one or more The random access signal is sent on the subframes, 3) or the time domain resources configured by the system message or the high layer signaling on the network side and the time domain resources dynamically indicated in the downlink control information are simultaneously sent.

If the UE determines that the random access signal cannot be sent on the uplink subframe configured by the system message or the high layer signaling on the network side according to the indication information carried in the downlink control information, and the subsequent uplink subframe resource sends the random access signal, And the UE determines, according to the indication information carried in the downlink control information, that the appropriate random access signal transmission mode can be selected according to the link quality, and the terminal can select the link quality according to the downlink measurement: 1) The network side sends the subsequent uplink subframes that are dynamically indicated by the downlink control information, 2) transmits the uplink subframes that are dynamically indicated by the downlink control information on the network side, and 3) dynamically indicates the downlink control information on the network side. The subsequent partial uplink subframe and the entire uplink subframe are simultaneously transmitted.

In a specific implementation, if the UE does not detect the downlink control information, the random access signal is sent according to the default random access signal transmission mode configured on the network side.

In the method for configuring a random access signal according to the embodiment of the present invention, the network side may pre-configure a plurality of types of random access signal transmission modes for the UE by using system messages or high-layer signaling, and indicate, by using downlink control information, a type of access signal transmission of the UE. The mode is used for the transmission mode of the random access signal. Therefore, the network side can flexibly adjust the transmission mode of the random access signal according to the real-time interference situation. The flexibility of random access signal transmission is improved, and the problem that the random access signal fails to be transmitted in the presence of interference due to the fixed transmission mode of the random access signal can be avoided, thereby improving the success rate of random access signal access and reducing The UE attempts the number of accesses, which reduces the access delay.

Based on the same inventive concept, the embodiment of the present invention further provides a random access signal configuration system, and a random access signal configuration device implemented on the network side and the UE side, because the above device and system solve the problem and the random access The signal configuration method is similar, so the implementation of the above devices and systems can be referred to the implementation of the method, and the repeated description is not repeated.

As shown in FIG. 8 , it is a schematic structural diagram of a device for configuring a random access signal applied to a network side according to an embodiment of the present invention, which may include:

The configuration unit 81 is configured to configure multiple types of random access signal transmission modes for the UE.

The first notification unit 82 is configured to notify the UE of multiple types of random access signal transmission modes configured by using the system message or the high layer signaling.

As an implementation manner, the configuration unit is further configured to select a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission mode; The first notification unit is further configured to notify the UE of the default random access signal transmission mode configured by the UE by using a system message or a high layer signaling.

As an implementation manner, the device may further include:

The sending unit is configured to send downlink control information to the UE.

The downlink control information carries indication information that is used to indicate that the UE transmits a random access signal transmission mode, which is selected from a pre-configured multi-type random access signal transmission manner.

As an implementation manner, at least one configuration information of each type of random access signal transmission manner is different, and the configuration information includes at least one of the following: a transmission period of the random access signal, and a time domain location of the random access signal. And frequency domain location and random access sequence.

As an implementation manner, in each type of random access signal transmission mode, a random access signal The time domain length is different, and the time domain length includes a standard time domain length, and at least one of the following time domain lengths: a shortened length time domain length and an increased length time domain length.

As an implementation manner, the device may further include:

The sixth determining unit is configured to determine configuration information of the downlink control information detection window before the sending unit sends the downlink control information to the UE.

The configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information;

a second notification unit, configured to notify the UE to determine by using a system message or a high layer signaling The downlink control information detects configuration information of the window.

If the downlink control information carries the indication information for indicating the pre-configured time domain transmission location change, the downlink control information further carries indication information for indicating the changed time domain transmission location.

As an embodiment, the changed time domain transmission location includes a portion of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location. The indication information for indicating the changed time domain transmission location is location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource or the time domain for indicating the change The indication information of the transmission location is a subframe identifier in a radio frame occupied by the changed time domain transmission resource.

For the convenience of description, the above parts are respectively divided into modules (or units) according to functions. Of course, the functions of the various modules (or units) may be implemented in one or more software or hardware in the practice of the invention. For example, the random access signal configuration apparatus shown in FIG. 8 may be disposed in a base station.

As shown in FIG. 9, a schematic structural diagram of a device for configuring a random access signal applied to a UE side according to an embodiment of the present invention may include:

The first receiving unit 91 is configured to receive a plurality of types of random access signal transmission manners that are notified by the network side by using system messages or higher layer signaling.

As an implementation manner, the device may further include:

The second receiving unit 92 is configured to receive a default random access signal transmission manner that is notified by the network side by using a system message or a high layer signaling, where the default random access signal transmission mode is configured from the network side. Selectively obtained in the class of random access signal transmission methods.

As an implementation manner, the device may further include:

The fourth receiving unit is configured to receive configuration information of the downlink control information detection window that is notified by the network side by using the system message or the high layer signaling before the third receiving unit receives the downlink control information.

The downlink control information also carries the time domain location information of the periodic random access signal transmission; and the apparatus may further include:

The first sending unit is configured to send a random access signal to the network side in the time domain transmission position carried in the downlink control information according to the determined random access signal transmission manner.

Wherein the changed time domain transmission location includes a pre-configured time domain transmission location available Partial time domain resources and/or new time domain resources; and if it is determined according to the downlink control information, a random access signal transmission mode may be selected according to the measured channel quality.

Based on this, the first sending determining unit is configured to determine, according to the measured channel quality and the determined random access signal transmission manner, a partial time domain resource corresponding position and/or a new time available in the pre-configured time domain transmission location. A random access signal is sent to the network side corresponding to the location of the domain resource.

As an implementation manner, the device may further include:

For the convenience of description, the above parts are respectively divided into modules (or units) according to functions. Of course, the functions of the various modules (or units) may be implemented in one or more software or hardware in the practice of the invention. For example, the random access signal configuration apparatus shown in FIG. 9 may be disposed in the UE.

In another random signal configuration method provided by the embodiment of the present invention, the network side may configure a type of random signal transmission mode for the UE, and notify the UE by using a system message or a high layer signaling, where the UE is usually on the network side according to the network side. The configuration sends a random access signal. Similarly, the transmission mode of the random signal includes at least one of the following: a transmission period of the random access signal, a time domain location of the random access signal, a frequency domain location, and a random access sequence.

If the network side finds that there is interference in the random signal transmission location configured for the UE, the network side may change the random signal to indicate the transmission position of the random signal after the UE is changed by using the downlink control information, so as to improve the random signal access success rate and reduce the access delay. .

Based on this, in the embodiment of the present invention, another method for configuring a random signal implemented by the network side is further provided. As shown in FIG. 10, the following steps may be included:

S101. Configure a type of random access signal transmission mode for the UE, where the random access signal transmission mode includes transmission location information of the random access signal.

S102. Notifying, by using a system message or a high layer signaling, the random access message configured by the UE Number transmission method;

S103. When the transmission location of the random access signal configured for the UE is changed, the downlink access control information is used to indicate the changed random access signal transmission location of the UE.

As an implementation manner, in the implementation, in order to reduce the cost of detecting the downlink control information by the UE, before performing step S103, the method may further include the following steps: determining configuration information of the downlink control information detection window; and using system messages or higher layer signaling. And notifying the configuration information of the downlink control information detection window that is determined by the UE. The configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

As an implementation manner, the transmission location of the random access signal indicated in the downlink control information includes a time domain location; and the changed time domain location includes a part of the time domain resource available in the pre-configured time domain location and/or Time domain resources. The indication information used to indicate the changed time domain location in the downlink control information is location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource, or the changed time domain transmission resource. The subframe identifier within the occupied radio frame.

The process of the second random access signal configuration method provided by the embodiment of the present invention is as shown in FIG. 11 and may include the following steps:

S111. The UE receives a random access signal transmission manner configured by the network side by using a system message or a high layer signaling notification.

S112: When the transmission position of the random access signal configured on the network side is changed, the changed random access signal transmission position indicated by the downlink control information on the network side is received.

As an implementation manner, before step S112, the method may further include: receiving, by the network side, configuration information of a downlink control information detection window that is notified by using a system message or a high layer signaling; and receiving downlink control sent by the network side. After the information, the method further includes the following steps: detecting, according to the configuration information of the downlink control information detection window sent by the network side, obtaining the Line control information. The configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

As an implementation manner, after receiving the downlink control information sent by the network side, the UE may further perform a random signal carried in the downlink control indication information according to other information in the transmission random access signal transmission manner configured by the network side. The transmitted transmission location (including the time domain location and/or the frequency domain location) transmits a random access signal to the network side.

The downlink control information further includes at least one of the following information: indication information for indicating a changed random signal transmission location; and indicating whether the UE can select a random access signal according to the measured channel quality thereof. Instructions for the transmission method. The changed time domain transmission location includes a part of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location; and if it is determined according to the downlink control information, the random connection can be selected according to the measured channel quality. Incoming signal transmission mode. Correspondingly, the UE may, according to the measured channel quality and the determined random access signal transmission manner, the partial time domain resource corresponding location and/or the newly added time domain resource corresponding location available in the pre-configured time domain transmission location The network side sends a random access signal.

Similarly, in the random signal transmission method, if the UE does not detect the downlink control information, the random access signal is transmitted according to the random access signal transmission manner configured by the network side.

As shown in FIG. 12, it is a schematic structural diagram of a second random signal configuration implemented by a network side according to an embodiment of the present invention, which may include:

The configuration unit 121 is configured to configure a type of random access signal transmission mode for the UE, where the random access signal transmission mode includes transmission location information of the random access signal.

The first notification unit 122 is configured to notify the UE of the random access signal transmission mode configured by the UE by using a system message or a high layer signaling.

The indicating unit 123 is configured to, when the transmission location of the random access signal configured for the UE changes, indicate the changed random access signal transmission location of the UE by using downlink control information.

As an implementation manner, the device may further include:

a determining unit, configured to determine configuration information of the downlink control information detection window before the indication unit 123 indicates the changed random access signal transmission position of the UE by using downlink control information;

As an implementation manner, the configuration information of the downlink control information detection window includes at least one of the following: a detection period of the downlink control information, time domain offset information within the detection period, and detection window length information.

As an implementation manner, the transmission location of the random access signal indicated in the downlink control information includes a time domain location; and the changed time domain location includes a part of the time domain resource available in the pre-configured time domain location and/or Time domain resources. More preferably, the indication information used to indicate the changed time domain location in the downlink control information is location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource; or the changed time domain. The subframe identifier in the radio frame occupied by the transmission resource.

FIG. 13 is a schematic structural diagram of a second random signal configuration apparatus implemented by a UE side according to an embodiment of the present disclosure, which may include:

The first receiving unit 131 is configured to receive a random access signal transmission manner configured by the network side by using a system message or a high layer signaling;

The second receiving unit 132 is configured to receive, after the transmission location of the random access signal configured on the network side, the changed random access signal transmission location indicated by the downlink control information on the network side.

As an implementation manner, the device may further include:

The third receiving unit is configured to receive configuration information of the downlink control information detection window that is notified by the network side by using a system message or a high layer signaling;

The detecting unit is configured to receive downlink control information sent by the network side at the second receiving unit Then, the downlink control information is obtained according to the configuration information of the downlink control information detection window sent by the network side.

As an implementation manner, the device may further include:

The sending unit is configured to: after the second receiving unit receives the downlink control information sent by the network side, according to other information in the transmission random access signal transmission manner configured by the network side (in addition to the transmission location), The transmission location (including the time domain location and/or the frequency domain location) of the random signal transmission carried in the downlink control indication information is sent to the network side to send a random access signal.

As an implementation manner, the downlink control information further carries at least one of the following information: indication information for indicating a changed random signal transmission location; and indicating whether the UE can select according to the measured channel quality The indication information of the random access signal transmission mode. The changed time domain transmission location includes a part of the time domain resource and/or a new time domain resource available in the pre-configured time domain transmission location; and if it is determined according to the downlink control information, the random connection can be selected according to the measured channel quality. Incoming signal transmission mode. Correspondingly, the UE may, according to the measured channel quality and the determined random access signal transmission manner, the partial time domain resource corresponding location and/or the newly added time domain resource corresponding location available in the pre-configured time domain transmission location The network side sends a random access signal.

In a specific implementation, the sending unit is further configured to: if the detecting unit does not detect the downlink control information, send the random access signal according to the random access signal transmission manner configured by the network side.

FIG. 14 is a schematic structural diagram of a random access signal configuration system according to an embodiment of the present invention, which may include a base station 141 and a UE 142, where the base station is provided with random numbers as shown in FIG. 8 and/or FIG. The access signal configuration device is provided with the random access signal configuration device shown in FIG. 9 and/or FIG.

In the method for configuring a random access signal according to the embodiment of the present invention, the network side may pre-configure a plurality of types of random access signal transmission modes for the UE by using system messages or high-layer signaling, and indicate, by using downlink control information, a type of access signal transmission of the UE. The mode is used for the transmission mode of the random access signal. Therefore, the network side can flexibly adjust the transmission mode of the random access signal according to the real-time interference situation, improve the flexibility of random access signal transmission, and avoid random access. The problem that the random access signal fails to be transmitted in the presence of interference caused by the fixed signal transmission mode improves the access success rate of the random access signal, reduces the number of times the UE attempts to access, and reduces the access delay.

An embodiment of the present invention further provides a base station, including: a first transceiver, a first memory, and a first processor; in an actual application, the first transceiver, the first memory, and the first processor Can be connected via the bus. Storing, on the first memory, a computer program executable on the first processor, the first transceiver being capable of data transmission when the first processor runs a computer program; the first processor The step of configuring the random access signal applied to the base station according to the embodiment of the present invention is implemented when the program is executed. Specifically, when the first processor executes the program, the method is configured to: configure multiple types of random access signal transmission modes for the UE; and notify the UE to configure multiple types of random access signal transmissions by using the system message or the high layer signaling. the way.

As an implementation manner, when the first processor executes the program, selecting: selecting a random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access The signal transmission mode; and the system message or the high layer signaling is used to notify the UE of the default random access signal transmission mode configured for the UE.

As an implementation manner, when the first processor executes the program, the method is: sending downlink control information to the UE, where the downlink control information carries multiple types of random access signal transmissions configured for the UE. The indication information selected in the manner for instructing the UE to transmit a random access signal transmission manner.

As an implementation manner, when the first processor executes the program, the frequency domain resource interval occupied by the random access signal of the standard time domain length and the time domain length of the shortened/increase length are determined. The first ratio of the frequency domain resource interval occupied by the random access signal; determining the length of the time domain length of the shortened/increase length according to the first time domain length occupied by the random access signal of the standard time domain length and the first ratio The second time domain length occupied by the access signal.

As an implementation manner, when the first processor executes the program, it is implemented to: determine a frequency domain resource interval occupied by a random access signal of a standard time domain length and a frequency domain occupied by a random access signal of a shortened length time domain length a second ratio of the resource interval; determining a fourth time domain length occupied by the random access signal of the shortened length time domain length according to the third time domain length occupied by the random access signal of the standard time domain length and the second ratio; determining The time domain length occupied by the random access signal of the increased length of the time domain is the sum of the length of the third time domain and the length of the fourth time domain.

As an implementation manner, when the first processor executes the program, the configuration information of the downlink control information detection window is determined before the downlink control information is sent to the UE, and the UE is notified by using a system message or a high layer signaling. The configuration information of the downlink control information detection window is output.

An embodiment of the present invention further provides a user equipment, including: a second transceiver, a second memory, and a second processor; in an actual application, the second transceiver, the second memory, and the second processing The device can be connected via a bus. Storing, on the second memory, a computer program executable on the second processor, the second transceiver being capable of data transmission when the second processor runs a computer program; the second processor The steps of the random access signal configuration method applied to the user equipment according to the embodiment of the present invention are implemented when the program is executed. Specifically, when the second processor executes the program, the method is: receiving, by the network side, a plurality of types of random access signal transmission manners that are notified by using a system message or a high layer signaling.

As an implementation manner, when the second processor executes the program, the method is: receiving a default random access signal transmission manner that is notified by the network side by using a system message or a high layer signaling, where the default random connection is performed. The incoming signal transmission mode is selected from multiple types of random access signal transmission modes configured on the network side.

As an implementation manner, when the second processor executes the program, the method is: receiving downlink control information sent by a network side, where the downlink control information carries multiple types of random access signal transmissions configured by the network side The indication information selected in the mode for indicating a transmission mode of the transmission random access signal.

As an implementation manner, when the second processor executes the program, the configuration information of the downlink control information detection window that is notified by the network side by using a system message or a high layer signaling is received before receiving the downlink control information. And after receiving the downlink control information sent by the network side, the downlink control information is obtained according to the configuration information of the downlink control information detection window sent by the network side.

As an implementation manner, when the second processor executes the program, determining, according to the indication information used to indicate a transmission mode of the transmission random access signal, determining a transmission mode of transmitting the random access signal; The random access signal transmission mode transmits a random access signal to the network side in a time domain position of the random signal transmission carried in the downlink control indication information.

As an implementation manner, when the second processor executes the program, if the random access signal transmission mode can be selected according to the measured channel quality according to the determining in the downlink control information, according to the measured channel quality and determining The random access signal transmission mode is configured to send a random access signal to the network side at a corresponding location of the time domain resource available in the pre-configured time domain transmission location and/or a corresponding location of the newly added time domain resource.

As an implementation manner, when the second processor executes the program, if the downlink control information is not detected, the random access signal is sent according to the default random access signal transmission manner configured by the network side.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores a computer program, and the computer program is used to execute a random access signal configuration method applied to the network side according to the embodiment of the invention. Specifically, the computer program is implemented by the processor: configuring multiple types of random access signal transmission modes for the UE; using system messages or high-level messages The UE is notified of a plurality of types of random access signal transmission modes configured by the UE.

As an implementation manner, the computer program is implemented by the processor: selecting a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission. And using the system message or the high layer signaling to notify the UE of the default random access signal transmission mode configured for the UE.

As an implementation manner, the computer program is implemented by the processor to: send downlink control information to the UE, where the downlink control information carries a plurality of types of random access signal transmission modes configured for the UE. And the indication information used to indicate that the UE transmits a random access signal transmission mode.

As an implementation manner, when the computer program is implemented by the processor, the frequency domain resource interval occupied by the random access signal of the standard time domain length and the frequency domain occupied by the random access signal of the time domain length of the shortened/increase length are implemented. a first ratio of the resource interval; determining, according to the first time domain length occupied by the random access signal of the standard time domain length and the first ratio, determining a second time domain occupied by the random access signal of the time domain length of the shortened/increase length length.

As an implementation manner, the computer program is implemented by the processor to: determine a frequency domain resource interval occupied by a random access signal of a standard time domain length and a frequency domain resource interval occupied by a random access signal of a shortened length time domain length a second ratio; determining a fourth time domain length occupied by the random access signal of the shortened length time domain length according to the third time domain length occupied by the random access signal of the standard time domain length and the second ratio; determining the increase length The time domain length occupied by the random access signal of the time domain length is the sum of the length of the third time domain and the length of the fourth time domain.

As an implementation manner, when the computer program is executed by the processor, the configuration information of the downlink control information detection window is determined before the downlink control information is sent to the UE, and the UE determines the determined by using the system message or the high layer signaling. The downlink control information detects configuration information of the window.

An embodiment of the present invention further provides a computer storage medium, where the computer storage medium There is stored a computer program for performing a random access signal configuration method applied to a user equipment according to an embodiment of the present invention. Specifically, when the computer program is executed by the processor, it is implemented: receiving a plurality of types of random access signal transmission manners that are notified by the network side using system messages or higher layer signaling.

As an implementation manner, when the computer program is executed by the processor, the method is: receiving a default random access signal transmission manner, where the network side uses a system message or a high layer signaling, where the default random access signal is received. The transmission mode is selected from multiple types of random access signal transmission modes configured on the network side.

As an implementation manner, the computer program is implemented by the processor to: receive downlink control information sent by the network side, where the downlink control information carries the multiple types of random access signal transmission modes configured by the network side. The selected indication information for indicating the transmission mode of the random access signal is transmitted.

As an implementation manner, when the computer program is executed by the processor, the configuration information of the downlink control information detection window that is notified by the network side by using the system message or the high layer signaling is received before receiving the downlink control information; After receiving the downlink control information sent by the network side, the downlink control information is obtained according to the configuration information of the downlink control information detection window sent by the network side.

As an implementation manner, when the computer program is executed by the processor, determining, according to the indication information for indicating a transmission mode of the transmission random access signal, determining a transmission mode of transmitting the random access signal; and determining the random connection according to the In the signal transmission mode, the random access signal is sent to the network side in the time domain position of the random signal transmission carried in the downlink control indication information.

As an implementation manner, when the computer program is executed by the processor, if the random access signal transmission mode can be selected according to the measured channel quality according to the downlink control information, according to the measured channel quality and the determined Random access signal transmission mode, part of the time domain resource corresponding location available in the pre-configured time domain transmission location and/or new time domain resource pair The random access signal should be sent to the network side at the location.

As an implementation manner, when the computer program is executed by the processor, if the downlink control information is not detected, the random access signal is sent according to the default random access signal transmission manner configured by the network side.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, apparatus, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. Instructions are provided for implementation The steps of a function specified in a block or blocks of a flow or a flow and/or a block diagram of a flow chart.

Although the preferred embodiment of the invention has been described, it will be apparent to those skilled in the < Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Industrial applicability

In the embodiment of the present invention, the network side may pre-configure multiple types of random access signal transmission modes for the UE by using system messages or high-layer signaling, and indicate that the UE access signal transmission mode is used for random access signals by using downlink control information. Transmission mode, whereby the network side can flexibly adjust the transmission mode of the random access signal according to the real-time interference situation, improve the flexibility of random access signal transmission, and avoid the existence of the random access signal transmission mode. The problem of random access signal transmission failure during interference increases the success rate of random access signal access, reduces the number of times the UE attempts to access, and reduces the access delay.

Claims

A random access signal configuration method includes:

Configuring a plurality of types of random access signal transmission modes for the user equipment UE;

The system message or high layer signaling is used to notify the UE of multiple types of random access signal transmission modes configured for the UE.
The method of claim 1 further comprising:

Selecting a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission mode;

Using the system message or higher layer signaling to notify the UE of the default random access signal transmission mode configured for it.
The method of claim 1 or 2, further comprising:

And sending, to the UE, downlink control information, where the downlink control information is used to indicate that the UE transmits a random access signal transmission mode, which is selected from a plurality of types of random access signal transmission modes configured for the UE. Instructions.
The method according to claim 1 or 2, wherein at least one of the configuration information of each type of random access signal transmission is different, and the configuration information comprises at least one of the following: a transmission period of the random access signal, random The time domain location and frequency domain location of the access signal and the random access sequence.
The method of claim 4, wherein the time domain location of the random access signal comprises a time domain length of the random access signal, wherein, in each type of random access signal transmission mode, the time of the random access signal The length of the domain includes different standard time domain lengths, and at least one of the following time domain lengths: a shortened length of the time domain length and an increased length of the time domain length.
The method of claim 5, wherein the random access signals having different time domain lengths are determined according to the following method:

Determining a first ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened/increased length of the time domain;

Determining, according to the first time domain length occupied by the random access signal of the standard time domain length and the first ratio, determining a second time domain length occupied by the random access signal of the time domain length of the shortened/increase length.
The method of claim 5, wherein the random access signals having different time domain lengths are determined according to the following method:

Determining a second ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened length time domain length;

Determining, according to a third time domain length occupied by the random access signal of the standard time domain length and the second ratio, determining a fourth time domain length occupied by the random access signal of the shortened length time domain length;

Determining the time domain length occupied by the random access signal of the increased length of the time domain is the sum of the third time domain length and the fourth time domain length.
The method of claim 3, further comprising: before transmitting the downlink control information to the UE,

Determining configuration information of the downlink control information detection window;

Notifying the configuration information of the downlink control information detection window determined by the UE by using a system message or a high layer signaling.
The method according to claim 8, wherein the configuration information of the downlink control information detection window comprises at least one of the following: a detection period of the downlink control information, a time domain offset information in the detection period, and detection. Window length information.
The method of claim 3, wherein the downlink control information further carries at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating the pre-configured time The indication information of whether the domain transmission location changes; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the channel quality measured by the UE.
The method of claim 10, wherein the downlink control information carries indication information indicating a pre-configured time domain transmission location change; The information also carries indication information indicating the changed time domain transmission location.
The method of claim 11 wherein the changed time domain transmission location comprises a portion of a time domain resource and/or a new time domain resource available in a pre-configured time domain transmission location.
The method of claim 11, wherein the indication information for indicating the changed time domain transmission location is location offset information or location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource The indication information used to indicate the changed time domain transmission location is the subframe identifier in the radio frame occupied by the changed time domain transmission resource.
A random access signal configuration method includes:

The receiving network transmits multiple types of random access signals by using system messages or high-level signaling.
The method of claim 14 further comprising:

Receiving a default random access signal transmission manner that is notified by the network side by using a system message or a high layer signaling, where the default random access signal transmission mode is a multi-type random access signal transmission manner configured from the network side. Choose to get.
The method of claim 14 or 15, further comprising:

And receiving, by the network side, the downlink control information, where the downlink control information carries the indication information that is used by the network side to indicate a transmission mode of the random access signal.
The method of claim 16, wherein before receiving the downlink control information, the method further comprises:

Receiving, by the network side, configuration information of a downlink control information detection window that is notified by using a system message or a high layer signaling;

After receiving the downlink control information sent by the network side, the method further includes:

The downlink control information is obtained according to the configuration information of the downlink control information detection window sent by the network side.
The method according to claim 17, wherein the configuration information of the downlink control information detection window comprises at least one of the following: a detection period of the downlink control information, a time domain offset information in the detection period, and detection. Window length information.
The method of claim 18, wherein the downlink control information further carries time domain location information of periodic random access signal transmission;

The method further includes:

Determining, according to the indication information used to indicate a transmission mode of the transmission random access signal, a transmission mode of transmitting the random access signal;

And transmitting, according to the determined random access signal transmission manner, a random access signal to the network side in a time domain position of the random signal transmission carried in the downlink control indication information.
The method of claim 16, wherein the downlink control information further carries at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating the pre-configured time The indication information of whether the domain transmission location changes; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the channel quality measured by the UE.
The method of claim 20, wherein if the downlink control information carries indication information for indicating a pre-configured time domain transmission location change, the downlink control information further carries a time for indicating the change. Indicates the location of the domain transmission.
The method of claim 20, wherein the changed time domain transmission location comprises a portion of the time domain resource available in the pre-configured time domain transmission location and/or a new time domain resource; and if the downlink control information is It is determined that the random access signal transmission mode can be selected according to the measured channel quality;

And sending, according to the determined random access signal transmission manner, a random access signal to the network side in a time domain location of the random signal transmission carried in the downlink control indication information, specifically:

Pre-configured according to the measured channel quality and the determined random access signal transmission mode A part of the time domain resource corresponding location in the time domain transmission location and/or a new time domain resource corresponding location sends a random access signal to the network side.
The method of any one of claims 17 to 22, further comprising:

If the downlink control information is not detected, the random access signal is sent according to the default random access signal transmission manner configured on the network side.
A random access signal configuration device includes:

a configuration unit configured to configure multiple types of random access signal transmission modes for the UE;

The first notification unit is configured to notify the UE of the multi-type random access signal transmission manner configured by the UE by using a system message or a high layer signaling.
The device according to claim 24, wherein

The configuration unit is further configured to select a type of random access signal transmission mode from a plurality of types of random access signal transmission modes configured for the UE as a default random access signal transmission mode;

The first notification unit is further configured to notify the UE of the default random access signal transmission mode configured by the UE by using a system message or a high layer signaling.
The device of claim 24 or 25, wherein the device further comprises:

And a sending unit, configured to send, to the UE, downlink control information, where the downlink control information is selected from a plurality of types of random access signal transmission modes configured for the UE, and is used to indicate that the UE transmits a random connection. Indication of the signal transmission mode.
The apparatus according to claim 24 or 25, wherein at least one of the configuration information of each type of random access signal transmission is different, and the configuration information comprises at least one of the following: a transmission period of the random access signal, random The time domain location and frequency domain location of the access signal and the random access sequence.
The apparatus according to claim 27, wherein the time domain location of the random access signal comprises a time domain length of the random access signal, wherein, in each type of random access signal transmission mode, the time of the random access signal The length of the domain is different, and the length of the time domain includes the standard time domain length, and At least one time domain length: shortening the length of the time domain and increasing the length of the time domain.
The apparatus of claim 28, further comprising:

a first determining unit, configured to determine a first ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the time domain length of the shortened/increase length;

a second determining unit, configured to determine, according to a first time domain length occupied by the random access signal of the standard time domain length and the first ratio, to determine a second time domain occupied by the random access signal of the time domain length of the shortened/increase length length.
The apparatus of claim 28, further comprising:

a third determining unit, configured to determine a second ratio of a frequency domain resource interval occupied by the random access signal of the standard time domain length and a frequency domain resource interval occupied by the random access signal of the shortened length time domain length;

a fourth determining unit, configured to determine, according to a third time domain length occupied by the random access signal of the standard time domain length and the second ratio, a fourth time domain length occupied by the random access signal of the shortened length time domain length;

And a fifth determining unit, configured to determine that the time domain length occupied by the random access signal of the increased length of the time domain is the sum of the third time domain length and the fourth time domain length.
The apparatus of claim 26, further comprising:

a sixth determining unit, configured to determine configuration information of the downlink control information detection window before the sending unit sends the downlink control information to the UE;

The second notification unit is configured to notify the configuration information of the downlink control information detection window determined by the UE by using a system message or a high layer signaling.
The apparatus according to claim 31, wherein the configuration information of the downlink control information detection window comprises at least one of the following: a detection period of the downlink control information, a time domain offset information within the detection period, and detection Window length information.
The apparatus according to claim 26, wherein the downlink control information further carries at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating the pre-configured time The indication information of whether the domain transmission location changes; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the channel quality measured by the UE.
The device according to claim 33, wherein if the downlink control information carries indication information for indicating a pre-configured time domain transmission location change, the downlink control information further carries a time for indicating the change. Indicates the location of the domain transmission.
The apparatus of claim 34, wherein the changed time domain transmission location comprises a portion of a time domain resource and/or a new time domain resource available in a pre-configured time domain transmission location.
The apparatus of claim 34, wherein the indication information for indicating the changed time domain transmission location is location offset information or location offset information of the changed time domain transmission resource relative to the pre-configured time domain transmission resource The indication information used to indicate the changed time domain transmission location is the subframe identifier in the radio frame occupied by the changed time domain transmission resource.
A base station comprising the apparatus of any of claims 24 to 36.
A random access signal configuration device includes:

The first receiving unit is configured to receive a plurality of types of random access signal transmission manners that are notified by the network side by using system messages or high layer signaling.
The apparatus of claim 38, further comprising:

The second receiving unit is configured to receive a default random access signal transmission manner that is notified by the network side by using a system message or a high layer signaling, where the default random access signal transmission mode is a plurality of types configured from the network side. The random access signal transmission mode is selected and obtained.
The device of claim 38 or 39, further comprising:

The third receiving unit is configured to receive downlink control information sent by the network side, where the downlink control information carries the network side to select from multiple types of random access signal transmission modes configured The indication information for indicating the transmission mode of the transmission random access signal.
The apparatus of claim 40, further comprising:

The fourth receiving unit is configured to receive configuration information of the downlink control information detection window that is notified by the network side by using the system message or the high layer signaling before the third receiving unit receives the downlink control information;

The detecting unit is configured to detect, after the third receiving unit receives the downlink control information sent by the network side, the downlink control information according to the configuration information of the downlink control information detection window sent by the network side.
The apparatus according to claim 41, wherein the configuration information of the downlink control information detection window comprises at least one of the following: a detection period of the downlink control information, a time domain offset information within the detection period, and detection Window length information.
The device according to claim 40, wherein the downlink control information further carries time domain location information of periodic random access signal transmission;

The device also includes:

a determining unit, configured to determine, according to the indication information used to indicate a transmission mode of the transmission random access signal, a transmission mode of transmitting the random access signal;

The first sending unit is configured to send a random access signal to the network side in a time domain position of the random signal transmission carried in the downlink control indication information according to the determined random access signal transmission manner.
The apparatus according to claim 41, wherein the downlink control information further carries at least one of the following indication information: indication information indicating a time domain length occupied by the random access signal; and indicating the pre-configured time The indication information of whether the domain transmission location changes; the indication information used to indicate whether the UE can select a random access signal transmission mode according to the channel quality measured by the UE.
The apparatus of claim 44, wherein the changed time domain transmission location comprises a pre- Partial time domain resources and/or new time domain resources available in the first configured time domain transmission location; and if the random access signal transmission mode can be selected according to the measured channel quality according to the determination in the downlink control information;

The first sending unit is configured to, according to the measured channel quality and the determined random access signal transmission manner, a partial time domain resource corresponding location and/or a newly added time domain resource available in the pre-configured time domain transmission location. A random access signal is sent to the network side at the corresponding location.
The apparatus of any one of claims 41 to 45, further comprising:

The second sending unit is configured to: if the downlink control information is not detected, send the random access signal according to the default random access signal transmission manner configured by the network side.
A user equipment comprising the apparatus of any one of claims 38 to 45.
A random access signal configuration system comprising the base station of claim 37 and the user equipment of claim 47.
A computer storage medium storing a computer program for performing the random access signal configuration method according to any one of claims 1 to 13.
A computer storage medium storing a computer program for performing the random access signal configuration method according to any one of claims 14 to 23.
A base station includes: a first transceiver, a first memory, and a first processor; the first memory stores a computer program executable on the first processor, the first transceiver being The first processor executes data transmission when the computer program is run; and the step of implementing the random access signal configuration method according to any one of claims 1 to 13 when the processor executes the program.
A user equipment comprising: a second transceiver, a second memory, and a second processor; the second memory storing a computer program executable on the second processor, The second transceiver is capable of performing data transmission when the second processor runs the computer program; wherein the processor executes the program to implement the random access signal configuration according to any one of claims 14 to 23 The steps of the method.