METHOD FOR PROCESSING RANDOM ACCESS RESPONSE MESSAGE, AND FIRST NODE

• US 20160219622A1
• Filed: 05/20/2014
• Published: 07/28/2016
• Est. Priority Date: 09/27/2013
• Status: Abandoned Application

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: LIU, Kun, DAI, Bo, LU, Zhaohua, XIA, Shuqiang, FANG, Huiying, SHI, Jing, LI, Xincai
• Application Number:
  US15/024,845
• Publication Number:
  US 20160219622A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 5/0089 due to addition or removal of users or terminals
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 74/002 Transmission of channel access control information
• CPC Class Codes: H04W 74/08 Non-scheduled access, e.g. ALOHA hybrid access H04W74/02
• CPC Class Codes: H04W 76/10 Connection setup

Abstract

A method for processing a random access response message, a first node and a computer storage medium are provided. The method includes the following steps that: the first node transmits a random access response message through a downlink channel; the random access response message carries random access response information aiming at a second node.

Claims

1. A method for processing a random access response message, comprising:

transmitting, by a first node, a random access response message through a downlink channel, wherein the random access response message carries random access response information aiming at a second node.

2. The method according to claim 1, wherein the second node at which the random access response information, which is carried in a same random access response message transmitted by the first node, aims is of a same type or multiple types.

3. The method according to claim 2, wherein the second node is classified according to at least one of following classification rules:

classifying the second node into one or multiple types according to different coverage improvement levels needed to be supported by the second node;

classifying the second node into one or multiple types according to different numbers of repeated transmission times of a random access sequence, which are needed to be supported by the second node;

classifying the second node into one or multiple types according to different numbers of repeated use times of a Physical Broadcast Channel (PBCH) when the second node successfully decodes the PBCH;

classifying the second node into one or multiple types according to different numbers of repeat times of a Master Information Block (MIB) when the second node successfully decodes the MIB;

classifying the second node into one or multiple types according to different numbers of repeat times of a System Information Block (SIB) when the second node successfully decodes the SIB; and

classifying the second node into one or multiple types according to different numbers of repeat times of the MIB when the second node successfully decodes the PBCH;

wherein the coverage improvement level comprises one or multiple levels;

the coverage improvement level needed to be supported by the second node is configured by a system, or configured by the first node in the SIB or in Downlink Control Information (DCI);

or, the coverage improvement level comprises an uplink coverage improvement level and/or a downlink coverage improvement level.

6. The method according to claim 1, further comprising:

configuring, by a system, configuration information of a transmitting mode of the random access response message;

or,

transmitting, by the first node, configuration information of a transmitting mode of the random access response message in an SIB or DCI;

wherein the configuration by the system comprises;

configuration by a standard, configuration by a network or configuration by a network high-level.

7. The method according to claim 1, further comprising:

configuring, by a system, position information of the random access response message;

or,

transmitting, by the first node, position information of the random access response message in an SIB or DCI;

wherein there is one piece of or there are multiple pieces of position information of the random access response message.

9. The method according to claim 7, wherein the second node at which the random access response information, which is carried in the same random access response message transmitted from a resource position indicated by each piece of position information, aims comprises at least one of following second nodes:

second nodes of a same type;

second nodes at a same coverage improvement level;

second nodes with a same number of repeated transmission times of a random access sequence;

second nodes with a same Random Access Radio Network Temporary Identity (RA-RNTI);

one or multiple types of second nodes configured by the system;

second nodes which are configured by the system and support different coverage improvement levels; and

second nodes which are configured by the system and support different numbers of repeated transmission times of the random access sequence.

10. The method according to claim 7, wherein each piece of position information of the random access response message comprises at least one piece of following information:

initial position information of the random access response message;

the amount of a subframe occupied by the random access response message;

information of a frequency-domain subcarrier occupied by the random access response message; and

information of a Physical Resource Block (PRB) occupied by the random access response message;

wherein the initial position information of the random access response message comprises at least one piece of following information;

information of a subframe where an initial resource is located;

information of a frame where the initial resource is located;

information of a PRB where the initial resource is located;

information of a subcarrier where the initial resource is located; and

information about the amount of a subframe between the initial resource and random access signalling transmitted by the second node.

12. The method according to claim 1, further comprising:

configuring, by a system, information about the number of repeated transmission times of the random access response message;

or,

transmitting, by the first node, information about the number of repeated transmission times of the random access response message in an SIB or DCI.

13. The method according to claim 12, wherein there is one piece of there are multiple pieces of information about the number of repeated transmission times of the random access response message;

wherein the second node at which the random access response information, which is carried in the random access response message transmitted according to each piece of information about the number of repeated transmission times, aims comprises at least one of following second nodes;

second nodes of a same type;

second nodes at a same coverage improvement level;

second nodes with a same number of repeated transmission times of a random access sequence;

second nodes with a same Random Access Radio Network Temporary Identity (RA-RNTI);

one or multiple types of second nodes configured by the system;

second nodes which are configured by the system and support different coverage improvement levels; and

second nodes which are configured by the system and support different numbers of repeated transmission times of the random access sequence.

15. The method according to claim 1, further comprising:

configures, by a system, position information of a detection time window of the random access response message;

or,

transmitting, by the first node, position information of a detection time window of the random access response message in an SIB or DCI.

16. The method according to claim 15, wherein there is one piece of or there are multiple pieces of position information of the detection time window of the random access response message, wherein a second node configured with a same piece of position information of the detection time window among the second node comprises at least one of following second nodes:

second nodes of a same type;

second nodes at a same coverage improvement level;

second nodes with a same number of repeated transmission times of a random access sequence;

second nodes with a same Random Access Radio Network Temporary Identity (RA-RNTI);

one or multiple types of second nodes configured by the system;

second nodes which are configured by the system and support different coverage improvement levels; and

second nodes which are configured by the system and support different numbers of repeated transmission times of the random access sequence.

18. The method according to claim 15, wherein the position information of the detection time window comprises at least one piece of following information:

information about a detection mode;

information about an initial position of the detection time window;

information about a length of the detection time window; and

information about the amount of a subframe between the initial position of the detection time window and random access signalling transmitted by the second node.

19. The method according to claim 1, wherein the random access response information comprises at least one piece of following information:

type information of the second node;

information about a coverage improvement level of the second node;

information about the number of repeated transmission times of a random access sequence of the second node;

information about the number of repeated transmission times of a Physical Uplink Control Channel (PUCCH) of the second node;

information about the number of repeated transmission times of a Physical Uplink Shared Channel (PUSCH) of the second node;

information about the number of repeated transmission times of a Radio Resource Control (RRC) Connection Request (CR) message transmitted by the second node;

adjustment information of the coverage improvement level of the second node;

adjustment information of the number of repeated transmission times of the random access sequence of the second node;

adjustment information of the number of repeated transmission times of the PUCCH of the second node;

adjustment information of the number of repeated transmission times of the PUSCH of the second node; and

adjustment information of the number of repeated transmission times of the RRC connection request of the second node.

20. The method according to claim 19, wherein the RRC connection request message comprises at least one piece of following information:

the type information of the second node;

the information about a coverage improvement level of the second node;

the information about the number of repeated transmission times of the random access sequence of the second node;

information about the number of repeated transmission times of a Physical Downlink Control Channel (PDCCH) of the second node;

information about the number of repeated transmission times of an Enhanced Physical Downlink Control Channel (EPDCCH) of the second node;

information about the number of repeated transmission times of a Physical Downlink Shared Channel (PDSCH) of the second node;

information about the number of repeated transmission times of a conflict resolution message transmitted by the first node;

the adjustment information of the coverage improvement level of the second node;

the adjustment information of the number of repeated transmission times of the random access sequence of the second node;

adjustment information of the number of repeated transmission times of the PUCCH of the second node;

adjustment information of the number of repeated transmission times of the EPUCCH of the second node;

adjustment information of the number of repeated transmission times of the PDSCH of the second node; and

adjustment information of the number of repeated transmission times of the conflict resolution message transmitted by the first node.

27. The method according to claim 1, wherein the first node comprises at least one of followings:

a Macro cell, a Micro cell, a Pico cell, a Femto cell, a home cell, a Low Power Node (LPN), and a Relay Station; and

the second node comprises one or more terminals or is a terminal group.

4-5. -5. (canceled)

8. (canceled)

11. (canceled)

14. (canceled)

17. (canceled)

21-26. -26. (canceled)

28. A first node, comprising:

a message generation unit configured to generate a random access response message, wherein the random access response message carries random access response information aiming at a second node; and

a communication unit configured to transmit the random access response message generated by the message generation unit through a downlink channel.

29. The first node according to claim 28, further comprising:

a classification unit configured to classify the second node at which the random access response information, which is carried in a same random access response message transmitted by the communication unit, aims into a same type or multiple types.

30. The first node according to claim 29, wherein the classification unit is further configured to classify the second node according to at least one of following rules:

classifying the second node into one or multiple types according to different coverage improvement levels needed to be supported by the second node;

classifying the second node into one or multiple types according to different numbers of repeated transmission times of a random access sequence, which are needed to be supported by the second node;

classifying the second node into one or multiple types according to different numbers of repeated use times of a Physical Broadcast Channel (PBCH) when the second node successfully decodes the PBCH;

classifying the second node into one or multiple types according to different numbers of repeat times of a Master Information Block (MIB) when the second node successfully decodes the MIB;

classifying the second node into one or multiple types according to different numbers of repeat times of a System Information Block (SIB) when the second node successfully decodes the SIB; and

classifying the second node into one or multiple types according to different numbers of repeat times of the MIB when the second node successfully decodes the PBCH;

wherein the coverage improvement level comprises one or multiple levels;

the coverage improvement level needed to be supported by the second node is configured by a system, or configured by the classification unit in the SIB or in Downlink Control Information (DCI);

correspondingly, the classification unit is further configured to configure the coverage improvement level needed to be supported by the second node in the SIB or the DCI.

33. The first node according to claim 28, wherein

the communication unit is further configured to transmit configuration information of a transmitting mode of the random access response message in an SIB or DCI;

or

the communication unit is further configured to transmit position information of the random access response information in an SIB or DCI;

or

the communication unit is further configured to transmit information about the number of repeated transmission times of the random access response message in an SIB or DCI;

or

the communication unit is further configured to transmit position information of a detection time window of the random access response message in an SIB or DCI.

54. The first node according to claim 28, wherein,

the first node comprises at least one of followings:

a Macro cell, a Micro cell, a Pico cell, a Femto cell, a home cell, a Low Power Node (LPN), and a Relay Station;

the second node comprises one or more terminals or is a terminal group.

31-32. -32. (canceled)

34-53. -53. (canceled)

55. A computer storage medium having stored therein computer executable instructions configured to execute a method for processing a random access response message, wherein the method comprises:

transmitting, by a first node, a random access response message through a downlink channel, wherein the random access response message carries random access response information aiming at a second node.