GSM Evolution packet data traffic channel resource transmission management—flexible downlink allocation technique

• US 10,264,574 B2
• Filed: 12/18/2017
• Issued: 04/16/2019
• Est. Priority Date: 01/27/2015
• Status: Active Grant

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Bergqvist, Jens, Sundberg, Marten, Handel, Ulf, Schliwa-Bertling, Paul, Diachina, John Walter
• Primary Examiner(s): Nguyen, Minh Trang T
• Application Number:
  US15/845,793
• Publication Number:
  US 20180110035A1
• Time in Patent Office: 484 Days
• CPC Class Codes: H04L 1/08 by repeating transmission, e.g. Verdan system H04L1/1858 and H04L1/189 take precedence
• CPC Class Codes: H04L 1/1614 using bitmaps
• CPC Class Codes: H04L 1/18 Automatic repetition systems, e.g. Van Duuren systems
• CPC Class Codes: H04L 1/1858 Transmission or retransmission of more than one copy of acknowledgement message
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 72/044 based on the type of the allocated resource
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 74/002 Transmission of channel access control information
• CPC Class Codes: H04W 74/004 in the uplink, i.e. towards network
• CPC Class Codes: H04W 74/006 in the downlink, i.e. towards the terminal
• CPC Class Codes: H05K 999/00 dummy group
• CPC Class Codes: H05K 999/99 dummy group

Abstract

A radio access network node (e.g., Base Station Subsystem), a wireless device (e.g., a mobile station), and various methods are described herein for improving the allocation of radio resources in wireless communications. In one embodiment, the radio access network node and wireless device implement a fixed uplink allocation technique. In another embodiment, the radio access network node and wireless device implement a flexible downlink allocation technique.

Claims

1. A radio access network (RAN) node configured to interact with a core network (CN) node and a wireless device, the RAN node comprising:

a processor; and

,

a memory that stores processor-executable instructions, wherein the processor interfaces with the memory to execute the processor-executable instructions, whereby the RAN node is operable to;

receive, from the wireless device, a request for resources for responding to a page message;

transmit, to the wireless device, one or more repetitions of an uplink assignment message, wherein the uplink assignment message comprises;

an indication of a number of pre-allocated radio block(s) on a packet data traffic channel; and

an indication (NTX, UL) of an Uplink (UL) coverage class; and

receive, from the wireless device, one or more repetitions of a page response message, wherein the page response message comprises;

uplink payload, wherein the uplink payload is received in the pre-allocated radio block(s), and wherein the page response message is repeated according to the UL coverage class.

2. The RAN node of claim 1, wherein the RAN node is further operable to:

transmit, to the wireless device, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message;

transmit, to the CN node, a paging response message;

receive, from the CN node, a Protocol Data Unit (PDU) including downlink payload;

disassemble the PDU into one or more data blocks;

transmit, to the wireless device, one or more repetitions of a downlink assignment message, wherein the downlink assignment message comprises;

an indication of assigned Downlink (DL) resources on the packet data traffic channel;

transmit, to the wireless device, one or more repetitions of each of the data blocks using the assigned DL resources; and

receive, from the wireless device, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the data blocks.

3. The RAN node of claim 2, wherein the downlink assignment message further comprises:

an indication (NTX, DL) of a Downlink (DL) coverage class; and

an indication of when the wireless device is to start looking for a first data block from the RAN node.

4. The RAN node of claim 2, wherein all repetitions of each of the data blocks are transmitted contiguously to the wireless device, and wherein each of the data blocks does not need to be transmitted contiguously with respect to one another to the wireless device.

5. The RAN node of claim 1, wherein the RAN node is further operable to:

transmit, to the wireless device, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message; and

a Downlink (DL) Temporary Block Flow (TBF) resource assignment message;

transmit, to the CN node, a paging response message;

receive, from the CN node, a Protocol Data Unit (PDU) including downlink payload;

disassemble the PDU into one or more data blocks;

transmit, to the wireless device, one or more repetitions of each of the data blocks on the packet data traffic channel using DL resources indicated in the DL TBF resource assignment message; and

receive, from the wireless device, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the data blocks.

6. The RAN node of claim 5, wherein all repetitions of each of the data blocks are transmitted contiguously to the wireless device, and wherein each of the data blocks does not need to be transmitted contiguously with respect to one another to the wireless device.

7. A method in a radio access network (RAN) node configured to interact with a core network (CN) node and a wireless device, the method comprising:

receiving, from the wireless device, a request for resources for responding to a page message;

transmitting, to the wireless device, one or more repetitions of an uplink assignment message, wherein the uplink assignment message comprises;

an indication of a number of pre-allocated radio block(s) on a packet data traffic channel; and

an indication (NTX, UL) of an Uplink (UL) coverage class; and

receiving, from the wireless device, one or more repetitions of a page response message, wherein the page response message comprises;

uplink payload, wherein the uplink payload is received in the pre-allocated radio block(s), and wherein the page response message is repeated according to the UL coverage class.

8. The method of claim 7, further comprising:

transmitting, to the wireless device, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message;

transmitting, to the CN node, a paging response message;

receiving, from the CN node, a Protocol Data Unit (PDU) including downlink payload;

disassembling the PDU into one or more data blocks;

transmitting, to the wireless device, one or more repetitions of a downlink assignment message, wherein the downlink assignment message comprises;

an indication of assigned Downlink (DL) resources on the packet data traffic channel;

transmitting, to the wireless device, one or more repetitions of each of the data blocks using the assigned DL resources; and

receiving, from the wireless device, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the data blocks.

9. The method of claim 8, wherein the downlink assignment message further comprises:

an indication (NTX, DL) of a Downlink (DL) coverage class; and

an indication of when the wireless device is to start looking for a first data block from the RAN node.

10. The method of claim 8, wherein all repetitions of each of the data blocks are transmitted contiguously to the wireless device, and wherein each of the data blocks does not need to be transmitted contiguously with respect to one another to the wireless device.

11. The method of claim 7, further comprising:

transmitting, to the wireless device, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message; and

a Downlink (DL) Temporary Block Flow (TBF) resource assignment message;

transmitting, to the CN node, a paging response message;

receiving, from the CN node, a Protocol Data Unit (PDU) including downlink payload;

disassembling the PDU into one or more data blocks;

transmitting, to the wireless device, one or more repetitions of each of the data blocks on the packet data traffic channel using DL resources indicated in the DL TBF resource assignment message; and

receiving, from the wireless device, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the data blocks.

12. The method of claim 11, wherein all repetitions of each of the data blocks are transmitted contiguously to the wireless device, and wherein each of the data blocks does not need to be transmitted contiguously with respect to one another to the wireless device.

13. A wireless device configured to interact with a radio access network (RAN) node, the wireless device comprising:

a processor; and

,

a memory that stores processor-executable instructions, wherein the processor interfaces with the memory to execute the processor-executable instructions, whereby the wireless device is operable to;

receive, from the RAN node, one or more repetitions of an uplink assignment message after requesting resources for responding to a page message, wherein the uplink assignment message comprises at least;

an indication of a number of pre-allocated radio block(s); and

an indication (NTX, UL) of an Uplink (UL) coverage class; and

transmit, to the RAN node, one or more repetitions of a page response message, wherein the page response message comprises;

uplink payload, wherein the uplink payload is transmitted in the pre-allocated radio block(s), and wherein the page response message is repeated according to the UL coverage class.

14. The wireless device of claim 13, wherein the wireless device is further operable to:

receive, from the RAN node, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message;

receive, from the RAN node, one or more repetitions of a downlink assignment message, wherein the downlink assignment message comprises;

an indication of assigned Downlink (DL) resources;

receive, from the RAN node, one or more repetitions of one or more data blocks using the assigned DL resources;

transmit, to the RAN node, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the one or more data blocks.

15. The wireless device of claim 14, wherein the downlink assignment message further comprises:

an indication (NTX, DL) of a Downlink (DL) coverage class; and

an indication of when the wireless device is to start looking for a first data block from the RAN node.

16. The wireless device of claim 14, wherein all repetitions of each of the one or more data blocks are received contiguously by the wireless device, and wherein each of the one or more data blocks does not need to be received contiguously with respect to one another by the wireless device.

17. The wireless device of claim 13, wherein the wireless device is further operable to:

receive, from the RAN node, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message; and

a Downlink (DL) Temporary Block Flow (TBF) resource assignment message;

receive, from the RAN node, one or more repetitions of one or more data blocks using DL resources indicated in the DL TBF resource assignment message;

transmit, to the RAN node, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the one or more data blocks.

18. The wireless device of claim 17, wherein all repetitions of each of the one or more data blocks are received contiguously by the wireless device, and wherein each of the one or more data blocks does not need not to be received contiguously with respect to one another by the wireless device.

19. A method in a wireless device configured to interact with a radio access network (RAN) node, the method comprising:

receive, from the RAN node, one or more repetitions of an uplink assignment message after requesting resources for responding to a page message, wherein the uplink assignment message comprises at least;

an indication of a number of pre-allocated radio block(s); and

an indication (NTX, UL) of an Uplink (UL) coverage class; and

transmit, to the RAN node, one or more repetitions of a page response message, wherein the page response message comprises;

uplink payload, wherein the uplink payload is transmitted in the pre-allocated radio block(s), and wherein the page response message is repeated according to the UL coverage class.

20. The method of claim 19, further comprising:

receiving, from the RAN node, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message;

receiving, from the RAN node, one or more repetitions of a downlink assignment message, wherein the downlink assignment message comprises;

an indication of assigned Downlink (DL) resources;

receiving, from the RAN node, one or more repetitions of one or more data blocks using the assigned DL resources;

transmitting, to the RAN node, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the one or more data blocks.

21. The method of claim 20, wherein the downlink assignment message further comprises:

an indication (NTX, DL) of a Downlink (DL) coverage class; and

an indication of when the wireless device is to start looking for a first data block from the RAN node.

22. The method of claim 20, wherein all repetitions of each of the one or more data blocks are received contiguously by the wireless device, and wherein each of the one or more data blocks does not need to be received contiguously with respect to one another by the wireless device.

23. The method of claim 19, further comprising:

receiving, from the RAN node, one or more repetitions of a first acknowledgment message, wherein the first acknowledgment message comprises at least;

a first bitmap indicating receipt of the page response message; and

a Downlink (DL) Temporary Block Flow (TBF) resource assignment message;

receiving, from the RAN node, one or more repetitions of one or more data blocks using DL resources indicated in the DL TBF resource assignment message;

transmitting, to the RAN node, one or more repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises;

a second bitmap indicating receipt of the one or more data blocks.

24. The method of claim 23, wherein all repetitions of each of the one or more data blocks are received contiguously by the wireless device, and wherein each of the one or more data blocks does not need not to be received contiguously with respect to one another by the wireless device.