# US 2019/0246382 A1 · Gsm evolution packet data traffic channel resource transmission management - flexible downlink allocation technique

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2019/0246382 A1
- Document ID: US20190246382A1
- Status: Published application
- Kind: A1
- Application number: 16/384,728
- Filed: 2019-04-15
- Published: 2019-08-08
- Earliest claimed: 2015-01-27
- Assignees: Telefonaktiebolaget LM Ericsson (publ)
- Applicants: Telefonaktiebolaget Lm Ericsson (Publ)
- Inventors: Jens Bergqvist; Mårten Sundberg; Ulf Händel; Paul Schliwa-Bertling; John Walter Diachina
- Web page: https://patentgrep.com/patent/US20190246382A1

## CPC

- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)}
- H04L 1/1614: {using bitmaps}
- H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems
- H04L 1/1858: {Transmission or retransmission of more than one copy of acknowledgement message}
- H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)}
- H04L 1/1896: {ARQ related signaling}
- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information}
- H04W 72/044: based on the type of the allocated resource
- H04W 72/20: Control channels or signalling for resource management
- H04W 74/004: {in the uplink, i.e. towards network}
- H04W 74/006: {in the downlink, i.e. towards the terminal}
- H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC]
- H04W 72/51: based on terminal or device properties
- H04W 74/002: {Transmission of channel access control information}
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## 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

### Claim 1

A radio access network (RAN) node configured to interact with a core network (CN) node and a wireless device that is operating in extended coverage, 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 CN node, a paging request message associated with the wireless device;
transmit, to the wireless device, multiple repetitions of a page message;
receive, from the wireless device, multiple repetitions of an access request message requesting resources for transmitting a page response message;
transmit, to the wireless device, multiple 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, multiple 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.

### Claim 2 (depends on 1)

The RAN node of claim 1, wherein the RAN node is further operable to:
transmit, to the wireless device, multiple 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, multiple 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, multiple repetitions of each of the data blocks using the assigned DL resources; and
receive, from the wireless device, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the data blocks,
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.

### Claim 3 (depends on 2)

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.

### Claim 4 (depends on 1)

The RAN node of claim 1, wherein the RAN node is further operable to:
transmit, to the wireless device, multiple 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, multiple 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, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the data blocks.

### Claim 5 (depends on 4)

The RAN node of claim 4, 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.

### Claim 6

A method in a radio access network (RAN) node configured to interact with a core network (CN) node and a wireless device that is operating in extended coverage, the method comprising:
receiving, from the CN node, a paging request message associated with the wireless device;
transmitting, to the wireless device, multiple repetitions of a page message;
receiving, from the wireless device, multiple repetitions of an access request message requesting resources for transmitting a page response message;
transmitting, to the wireless device, multiple 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, multiple 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.

### Claim 7 (depends on 6)

The method of claim 6, further comprising:
transmitting, to the wireless device, multiple 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, multiple 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, multiple repetitions of each of the data blocks using the assigned DL resources; and
receiving, from the wireless device, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the data blocks,
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.

### Claim 8 (depends on 7)

The method of claim 7, 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.

### Claim 9 (depends on 6)

The method of claim 6, further comprising:
transmitting, to the wireless device, multiple 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, multiple 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, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the data blocks.

### Claim 10 (depends on 9)

The method of claim 9, 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.

### Claim 11

A wireless device that is operating in extended coverage and 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, multiple repetitions of a page message;
transmit, to the RAN node, multiple repetitions of an access request message requesting resources for transmitting a page response message;
receive, from the RAN node, multiple repetitions of an uplink assignment 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, multiple 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.

### Claim 12 (depends on 11)

The wireless device of claim 11, wherein the wireless device is further operable to:
receive, from the RAN node, multiple 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, multiple repetitions of a downlink assignment message, wherein the downlink assignment message comprises:
an indication of assigned Downlink (DL) resources;
receive, from the RAN node, multiple repetitions of one or more data blocks using the assigned DL resources;
transmit, to the RAN node, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the one or more data blocks,
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.

### Claim 13 (depends on 12)

The wireless device of claim 12, 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.

### Claim 14 (depends on 11)

The wireless device of claim 11, wherein the wireless device is further operable to:
receive, from the RAN node, multiple 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, multiple repetitions of one or more data blocks using DL resources indicated in the DL TBF resource assignment message;
transmit, to the RAN node, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the one or more data blocks.

### Claim 15 (depends on 14)

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 not to be received contiguously with respect to one another by the wireless device.

### Claim 16

A method in a wireless device that is operating in extended coverage and configured to interact with a radio access network (RAN) node, the method comprising:
receive, from the RAN node, multiple repetitions of a page message;
transmit, to the RAN node, multiple repetitions of an access request message requesting resources for transmitting a page response message;
receive, from the RAN node, multiple repetitions of an uplink assignment 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, multiple 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.

### Claim 17 (depends on 16)

The method of claim 16, further comprising:
receiving, from the RAN node, multiple 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, multiple repetitions of a downlink assignment message, wherein the downlink assignment message comprises:
an indication of assigned Downlink (DL) resources;
receiving, from the RAN node, multiple repetitions of one or more data blocks using the assigned DL resources;
transmitting, to the RAN node, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the one or more data blocks,
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.

### Claim 18 (depends on 17)

The method of claim 17, 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.

### Claim 19 (depends on 16)

The method of claim 16, further comprising:
receiving, from the RAN node, multiple 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, multiple repetitions of one or more data blocks using DL resources indicated in the DL TBF resource assignment message;
transmitting, to the RAN node, multiple repetitions of a second acknowledgment message, wherein the second acknowledgment message comprises:
a second bitmap indicating receipt of the one or more data blocks.

### Claim 20 (depends on 19)

The method of claim 19, 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.