User equipment, method for controlling the same and network side device

• US 10,736,017 B2
• Filed: 03/08/2017
• Issued: 08/04/2020
• Est. Priority Date: 05/09/2016
• Status: Active Grant

• Current Assignee: Spreadtrum Communications USA
• Original Assignee: Spreadtrum Communications USA
• Inventors: Zhou, Huayu, Wang, Hualei, Xu, Weijie, Liu, Yang, Jia, Yanan
• Primary Examiner(s): Khirodhar, Maharishi V
• Application Number:
  US15/453,110
• Publication Number:
  US 20170325155A1
• Time in Patent Office: 1,245 Days
• CPC Class Codes: H04L 27/2602 Signal structure
• CPC Class Codes: H04L 5/0005 Time-frequency
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0039 Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04W 48/10 using broadcasted information
• CPC Class Codes: H04W 72/044 based on the type of the allocated resource
• CPC Class Codes: H04W 72/51 based on terminal or device properties

Abstract

A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain. The present disclosure can control the user equipment to access the network.

Claims

1. A method for controlling a user equipment, comprising:

transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment accesses a network;

wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain, wherein the dedicated resource unit is a dedicated resource block within a frequency domain range and a time domain range;

wherein the broadcast-type signals and channels comprise a synchronization signal, a broadcast channel and a common control channel, and the common control channel is configured to schedule the user to decode the system information, paging information or random access feedback information;

wherein transmitting the broadcast-type signals and channels to the user equipment comprises;

transmitting the common control channel to the user equipment according to a preset basic carrier configuration, wherein the basic carrier configuration comprises a subcarrier spacing and a cyclic prefix length;

wherein transmitting the broadcast-type signals and channels through the dedicated resource unit comprises;

transmitting the broadcast channel and/or the common control channel to the user equipment by using a preset broadcast reference signal.

2. The method for controlling the user equipment according to claim 1, wherein the dedicated resource unit comprises a subframe or a transmission time interval in the time domain.

3. The method for controlling the user equipment according to claim 1, wherein a time domain position and a frequency domain position of the dedicated resource unit are a predefined time domain position and a predefined frequency domain position respectively.

4. The method for controlling the user equipment according to claim 1, wherein transmitting the broadcast-type signals and channels to the user equipment through the dedicated resource unit comprises:

transmitting the broadcast-type signals and channels repeatedly in a plurality of the dedicated resource unit of different time domain positions and/or different frequency domain positions.

5. The method for controlling the user equipment according to claim 1, wherein the broadcast-type signals and channels comprise a plurality of signals and/or channels, and the plurality of signals and/or channels located in a same dedicated resource unit are independently encoded and modulated, so that the user equipment independently demodulates and decodes the plurality of signals and/or channels located in the same dedicated resource unit.

6. The method for controlling the user equipment according to claim 1, wherein the broadcast-type signals and channels comprise a plurality of signals and/or channels, and there is a sequence among the plurality of signals and/or channels located in a same dedicated resource unit in the time domain.

7. The method for controlling the user equipment according to claim 6, wherein the broadcast-type signals and channels comprise a synchronization signal, a broadcast channel and a common control channel, and the synchronization signal, the broadcast channel and the common control channel are sequentially arranged in the dedicated resource unit in the time domain.

8. The method for controlling the user equipment according to claim 1, wherein the user equipment is any of an enhanced mobile broadband user equipment, a large-scale machine-type communication user equipment and a high reliability and low latency communication user equipment.

9. The method for controlling the user equipment according to claim 1, wherein the user equipment comprises different kinds of user equipment, the different kinds of user equipment correspond to different kinds of broadcast-type signals and channels, and the method further comprises:

dividing the dedicated resource unit into a plurality of dedicated resource subunits according to the different kinds of user equipment; and

transmitting the broadcast-type signals and channels to the user equipment through the dedicated resource unit comprises;

transmitting the different kinds of broadcast-type signals and channels through the plurality of dedicated resource subunits, wherein each of the plurality of dedicated resource subunits is independently encoded and modulated.

10. The method for controlling the user equipment according to claim 1, wherein the user equipment comprises different kinds of user equipment, the different kinds of user equipment correspond to different kinds of broadcast-type signals and channels, and the different kinds of broadcast-type signals and channels in the dedicated resource unit are encoded and modulated in hybrid.

11. A method for controlling a user equipment, comprising:

receiving broadcast-type signals and channels from a network side through a dedicated resource unit; and

accessing a network through the broadcast-type signals and channels;

wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain, wherein the dedicated resource unit is a dedicated resource block within a frequency domain range and a time domain range;

wherein the broadcast-type signals and channels comprise a synchronization signal, a broadcast channel and a common control channel, and the common control channel is configured to schedule the user to decode the system information, paging information or random access feedback information;

wherein receiving the broadcast-type signals and channels from the network side through the dedicated resource unit comprises;

receiving the common control channel according to a preset basic carrier configuration, wherein the basic carrier configuration comprises a subcarrier spacing and a cyclic prefix length;

wherein receiving the broadcast-type signals and channels from the network side through the dedicated resource unit comprises;

receiving the broadcast channel and/or the common control channel by using a preset broadcast reference signal.

12. The method for controlling the user equipment according to claim 11, wherein the dedicated resource unit comprises a subframe or a transmission time interval in the time domain.

13. The method for controlling the user equipment according to claim 11, wherein a time domain position and a frequency domain position of the dedicated resource unit are a predefined time domain position and a predefined frequency domain position respectively.

14. The method for controlling the user equipment according to claim 11, wherein accessing the network comprises using the broadcast reference signal for time and frequency offset tracking and/or channel estimation.

15. The method for controlling the user equipment according to claim 11, wherein receiving the broadcast-type signals and channels from the network side through the dedicated resource unit comprises:

receiving the broadcast-type signals and channels repeatedly from a plurality of the dedicated resource unit of different time domain positions and/or different frequency domain positions.

16. The method for controlling the user equipment according to claim 11, wherein the broadcast-type signals and channels comprise a plurality of signals and/or channels, the plurality of signals and/or channels located in a same dedicated resource unit are independently encoded and modulated, and accessing the network through the broadcast-type signals and channels comprises demodulating and decoding the plurality of signals and/or channels located in the same dedicated resource unit independently.

17. The method for controlling the user equipment according to claim 11, wherein the broadcast-type signals and channels comprise a plurality of signals and/or channels, and accessing the network through the broadcast-type signals and channels comprises:

processing the plurality of signals and/or channels located in a same dedicated resource unit sequentially according to a sequence of the plurality of signals and/or channels located in the same dedicated resource unit in the time domain.

18. The method for controlling the user equipment according to claim 17, wherein processing the plurality of signals and/or channels located in the same dedicated resource unit sequentially according to the sequence of the plurality of signals and/or channels located in the same dedicated resource unit in the time domain comprises:

searching the synchronization signal;

determining configuration of the broadcast channel based on the synchronization signal;

detecting the broadcast channel;

determining configuration of the common control channel according to information of the broadcast channel; and

detecting the common control channel.

19. The method for controlling the user equipment according to claim 11, wherein the broadcast-type signals and channels comprise different kinds of broadcast-type signals and channels to be adapted for at least one equipment selected from a group consisting of an enhanced mobile broadband user equipment, a large-scale machine-type communication user equipment and a high reliability and low latency communication user equipment.

20. The method for controlling the user equipment according to claim 11, wherein the broadcast-type signals and channels comprise different kinds of broadcast-type signals and channels respectively corresponding to different kinds of user equipment, the dedicated resource unit is divided into a plurality of dedicated resource subunits according to the different kinds of user equipment, the different kinds of broadcast-type signals and channels are transmitted through the plurality of dedicated resource subunits, and each of the plurality of dedicated resource subunits is independently encoded and modulated;

and

accessing the network through the broadcast-type signals and channels comprises decoding and demodulating each of the plurality of dedicated resource subunits independently.

21. The method for controlling the user equipment according to claim 11, wherein the broadcast-type signals and channels comprise different kinds of broadcast-type signals and channels respectively corresponding to different kinds of user equipment, and the dedicated resource unit performs encoding and modulation in hybrid to the different kinds of broadcast-type signals and channels.