# US 10,375,646 B2 · Coordination between application and baseband layer operation

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

- Number: US 10,375,646 B2
- Document ID: US10375646B2
- Status: Granted
- Kind: B2
- Application number: 14/684,593
- Filed: 2015-04-13
- Published: 2015-10-22
- Granted: 2019-08-06
- Earliest claimed: 2014-04-18
- Assignees: Apple Inc.
- Applicants: Apple Inc.
- Inventors: Venkateswara Rao Manepalli; Tarik Tabet; Madhusudan Chaudhary
- Web page: https://patentgrep.com/patent/US10375646B2

## CPC

- H04W 52/0274: {by switching on or off the equipment or parts thereof}
- H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX]
- H04W 28/18: Negotiating wireless communication parameters
- H04W 76/27: Transitions between radio resource control [RRC] states
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

This disclosure relates to techniques for scheduling radio resource control connections between a wireless device and a network element of a network in advance. According to some embodiments, a wireless device may provide an indication of one or more types of upcoming data traffic to the network element. The network element may schedule one or more radio resource control connections for the wireless device based at least in part on the indication of one or more types of upcoming data traffic. The network element may provide an indication of the scheduled radio resource control connection(s) to the wireless device. The wireless device and the network may establish the scheduled radio resource control connection at the scheduled time.

## Claims

### Claim 1

A wireless user equipment device (UE), comprising:
a radio;
a baseband processor (BB) operatively coupled to the radio; and
an application processor (AP) operatively coupled to the BB;
wherein the UE is configured to:
determine, by the AP, an amount of time until next uplink and/or downlink application data is expected;
provide, by the AP, an indication of the determined amount of time to the BB;
modify, by the BB, timing of one or more of a transmit operation or a receive operation based at least in part on the indication of the determined amount of time, wherein modifying timing of one or more of a transmit operation or a receive operation comprises skipping one or more DRX cycle on-durations;
receive, by the BB, first application data from a cellular base station (BS) in a wireless manner;
provide, by the BB, the first application data to the AP;
generate, by the BB, control information in response to receiving the application data from the BS;
initiate, at the BB, a timer based at least in part on receiving the application data from the BS;
provide, by the BB, the control information to the BS bundled with second application data prior to expiration of the timer if the second application data is received from the AP prior to expiration of the timer; and
provide, by the BB, the control information to the BS upon expiration of the timer if no application data is received from the AP prior to expiration of the timer.

### Claim 2 (depends on 1)

The UE of claim 1,
wherein modifying timing of one or more of a transmit operation or a receive operation comprises skipping one or more DRX cycle on-durations if the determined amount of time is greater than an amount of time until a next DRX cycle on-duration.

### Claim 3 (depends on 1)

The UE of claim 1, wherein the UE is further configured to:
determine, by the BB, a next wakeup time of the BB;
provide, by the BB, an indication of the determined next wakeup time to the AP;
modify, by the AP, timing of sending application data to the BB based at least in part on the indication of the determined next wakeup time.

### Claim 4 (depends on 1)

The UE of claim 1, wherein the UE is further configured to:
provide a request to a cellular base station (BS) for early short or long DRX entry, wherein the request is provided prior to expiration of a DRX inactivity timer for the UE;
enter a short or long DRX mode prior to expiration of the DRX inactivity timer based at least in part on the request for early short or long DRX entry.

### Claim 5 (depends on 4)

The UE of claim 4, wherein the UE is further configured to:
receive, by the BB, a response to the request for early short or long DRX entry from the BS, wherein the response indicates to the UE to enter the short or long DRX mode,
wherein entering the short or long DRX mode prior to expiration of the DRX inactivity timer is also based at least in part on the response to the request for early short or long DRX entry.

### Claim 6 (depends on 1)

The UE of claim 1, wherein the UE is further configured to:
provide a request to a cellular base station (BS) to transition from a DRX short cycle to a DRX long cycle, wherein the request is provided prior to expiration of a DRX short cycle timer for the UE;
transition from the DRX short cycle to the DRX long cycle prior to expiration of the DRX short cycle timer based at least in part on the request to transition from the DRX short cycle to the DRX long cycle.

### Claim 7 (depends on 1)

The UE of claim 1, wherein the UE is further configured to:
receive a set of possible configurations from a base station (BS), wherein each possible configuration of the set of possible configurations comprises configuration settings for each of a plurality of configuration parameters, wherein the plurality of configuration parameters comprise one or more of:
physical uplink control channel (PUCCH) configuration parameters;
sounding reference symbol (SRS) configuration parameters;
scheduling request (SR) configuration parameters;
RRC inactivity timer settings;
DRX inactivity timer settings;
short DRX cycle timer settings;
DRX OnDuration settings;
other DRX settings;
provide an indication of a selected configuration from the set of possible configurations to the BS;
perform cellular communication with the BS according to the selected configuration.

### Claim 8 (depends on 1)

The UE of claim 1, wherein the UE is further configured to:
establish a default low-power configuration with a cellular network, wherein the default low-power configuration specifies default configuration settings if a low-power indicator is enabled for the UE for one or more configuration parameters;
provide a low-power indicator to the cellular network; and
perform cellular communication with the cellular network according to the default low power configuration based on providing the low-power indicator to the cellular network.

### Claim 9

A method, comprising:
by an application layer of a wireless user equipment device (UE):
receiving an indication of a determined next wakeup time of a baseband layer (BB) of the UE; and
selecting timing of sending application data to the baseband layer of the UE for network communication based at least in part on the indication of the determined next wakeup time of the BB,
wherein timing of sending application data to the BB is selected to coordinate sending application data to the BB with the determined next wakeup time of the BB; and
by the BB:
receiving first application data from a cellular base station (BS) in a wireless manner;
providing the first application data to the AP;
generating control information in response to receiving the application data from the BS;
initiating a timer based at least in part on receiving the application data from the BS;
providing the control information to the BS bundled with second application data prior to expiration of the timer if the second application data is received from the AP prior to expiration of the timer; and
providing the control information to the BS upon expiration of the timer if no application data is received from the AP prior to expiration of the timer.

### Claim 10 (depends on 9)

The method of claim 9, further comprising:
determining an amount of time until a next expected network communication of application data; and
providing an indication of the determined amount of time to the baseband layer of the UE.

### Claim 11 (depends on 9)

The method of claim 9, further comprising:
providing an indication of one or more application data types currently active at the application layer of the UE to the baseband layer of the UE.

### Claim 12

A method, comprising:
by a baseband layer of a wireless user equipment device (UE):
receiving an indication of an amount of time until next uplink and/or downlink application data is expected by an application layer of the UE from the application layer AP of the UE;
selecting timing of one or more of a next transmit operation or a next receive operation based at least in part on the indication of the determined amount of time, wherein selecting timing of one or more of a next transmit operation or a next receive operation comprises skipping one or more DRX cycle on-durations;
receiving first application data from a cellular base station (BS) in a wireless manner;
providing the first application data to the AP;
generating control information in response to receiving the application data from the BS;
initiating a timer based at least in part on receiving the application data from the BS;
providing the control information to the BS bundled with second application data prior to expiration of the timer if the second application data is received from the AP prior to expiration of the timer; and
providing the control information to the BS upon expiration of the timer if no application data is received from the AP prior to expiration of the timer.

### Claim 13 (depends on 12)

The method of claim 12,
wherein selecting timing of one or more of a next transmit operation or a next receive operation based at least in part on the indication of the determined amount of time further comprises:
skipping one or more DRX cycle on-durations based on the indication of the determined amount of time if the determined amount of time is greater than an amount of time until a next DRX cycle on-duration.

### Claim 14 (depends on 12)

The method of claim 12, further comprising:
determining a next wakeup time of the baseband layer of the UE; and
providing an indication of the determined next wakeup time of the baseband layer of the UE to the application layer of the UE.

### Claim 15 (depends on 12)

The method of claim 12, further comprising:
providing a request for early short or long DRX entry to a cellular base station (BS) based at least in part on information received from the application layer of the UE, wherein the request is provided prior to expiration of a DRX inactivity timer for the UE;
entering a short or long DRX mode prior to expiration of the DRX inactivity timer based at least in part on the request for early short or long DRX entry.

### Claim 16 (depends on 12)

The method of claim 12, further comprising:
providing a request to transition from a DRX short cycle to a DRX long cycle to a cellular base station (BS) based at least in part on information received from the application layer of the UE, wherein the request is provided prior to expiration of a DRX short cycle timer for the UE;
transitioning from the DRX short cycle to the DRX long cycle prior to expiration of the DRX short cycle timer based at least in part on the request to transition from the DRX short cycle to the DRX long cycle.

### Claim 17 (depends on 16)

The method of claim 16, wherein the request is provided to the BS using one of:
a media access control (MAC) control element (CE);
a power preference indicator (PPI) bit; or
a radio resource control (RRC) information element (IE).

### Claim 18 (depends on 12)

The method of claim 12, further comprising:
receiving a set of possible configurations from a base station (BS), wherein each possible configuration of the set of possible configurations comprises configuration settings for each of a plurality of configuration parameters;
providing an indication of a selected configuration from the set of possible configurations to the BS;
performing cellular communication with the BS according to the selected configuration.

### Claim 19 (depends on 18)

The method of claim 18, further comprising:
receiving an indication of one or more application data types currently active at the application layer of the UE; and
selecting a configuration from the set of possible configurations based at least in part on the one or more application data types currently active at the application layer of the UE.