# US 2018/0324838 A1 · Coordination between prose bsr and cellular bsr > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324838 A1 - Document ID: US20180324838A1 - Status: Published application - Kind: A1 - Application number: 16/037,665 - Filed: 2018-07-17 - Published: 2018-11-08 - Earliest claimed: 2014-08-08 - Assignees: Telefonaktiebolaget L M Ericsson (publ) - Applicants: Telefonaktiebolaget L M Ericsson (Publ) - Inventors: Mats Folke; Yunxi Li; Magnus Stattin - Web page: https://patentgrep.com/patent/US20180324838A1 ## CPC - H04W 72/1268: of uplink data flows - H04W 28/0278: {using buffer status reports (dynamic wireless traffic scheduling definition H04W72/12)} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 76/14: Direct-mode setup - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method in a wireless device is disclosed. The method comprises sending a scheduling request to a network node, and receiving, from the network node in response to the scheduling request, a grant of uplink resources. The method further comprises determining whether the granted uplink resources are at least equal to or larger than the resources required for transmission of both a buffer status report (BSR) and a sidelink BSR, and upon determining that the granted uplink resources are at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating the BSR and the sidelink BSR to the network node in a single medium access control (MAC) protocol data unit (PDU). ## Claims ### Claim 1 A method in a wireless device, comprising: sending a scheduling request to a network node; receiving, from the network node in response to the scheduling request, a grant of uplink resources; determining whether the granted uplink resources are at least equal to or larger than the resources required for transmission of both a buffer status report (BSR) and a sidelink BSR; and upon determining that the granted uplink resources are at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating the BSR and the sidelink BSR to the network node in a single medium access control (MAC) protocol data unit (PDU). ### Claim 2 (depends on 1) The method of claim 1, further comprising upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating the BSR and a truncated sidelink BSR to the network node in a single MAC PDU. ### Claim 3 (depends on 1) The method of claim 1, further comprising upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating a truncated BSR and the sidelink BSR to the network node in a single MAC PDU. ### Claim 4 (depends on 1) The method of claim 1, further comprising upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating a truncated BSR and a truncated sidelink BSR to the network node in a single MAC PDU. ### Claim 5 (depends on 1) The method of claim 1, further comprising upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR: determining an amount of additional resources needed to include the sidelink BSR in a subsequent uplink transmission; reporting, to the network node, an increased amount of data available for transmission, the increased amount of data available for transmission including the determined amount of additional resources needed to include the sidelink BSR in the subsequent uplink transmission; and communicating, in the subsequent uplink transmission, the sidelink BSR and the amount of data reported to be available for transmission. ### Claim 6 (depends on 1) The method of claim 1, wherein communicating the BSR and the sidelink BSR to the network node in a single MAC PDU comprises communicating a combined BSR, the combined BSR comprising a single sub-header component and indicating buffer status for both LTE logical channels and sidelink logical channels. ### Claim 7 (depends on 1) The method of claim 1, wherein: the BSR indicates an amount of data available for transmission in an uplink buffer associated with the wireless device; and the sidelink BSR indicates an amount of sidelink data available for transmission in a sidelink buffer of the wireless device. ### Claim 8 A method in a network node, comprising: receiving a scheduling request from a wireless device; sending, in response to receiving the scheduling request, a grant of uplink resources to the wireless device; receiving, from the wireless device in response to the grant of uplink resources, a buffer status report (BSR) and a sidelink BSR in a single medium access control (MAC) protocol data unit (PDU). ### Claim 9 (depends on 8) The method of claim 8, wherein the granted uplink resources are at least equal to or larger than the resources required for transmission by the wireless device of both a BSR and a sidelink BSR. ### Claim 10 (depends on 8) The method of claim 8, wherein: the granted uplink resources are not at least equal to or larger than the resources required for transmission by the wireless device of both the BSR and the sidelink BSR; and the received sidelink BSR comprises a truncated sidelink BSR, the truncated sidelink BSR indicating to the network node that the wireless device needs additional resources to report buffer status for one or more logical channels of logical channel groups for which buffer status was not reported. ### Claim 11 (depends on 10) The method of claim 10, further comprising granting an amount of resources adjusted to allow the wireless device to report buffer status for the one or more logical channels of logical channel groups for which buffer status was not reported. ### Claim 12 (depends on 8) The method of claim 8, wherein the granted uplink resources are not at least equal to or larger than the resources required for transmission by the wireless device of both the BSR and the sidelink BSR, and the received BSR comprises a truncated BSR, the truncated BSR indicating to the network node that the wireless device needs additional resources to complete buffer status reporting. ### Claim 13 (depends on 8) The method of claim 8, wherein: the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR; the received BSR comprises a truncated BSR; and the received sidelink BSR comprises a truncated sidelink BSR. ### Claim 14 (depends on 8) The method of claim 8, wherein the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, and the method further comprises: receiving a report from the wireless device indicating an amount of data available for transmission, the amount of data available for transmission increased based on an amount of additional resources determined by the wireless device to be needed to include the sidelink BSR in a subsequent uplink transmission; and granting sufficient uplink resources so that the wireless device can include both the sidelink BSR and the amount of data reported to be available for transmission. ### Claim 15 (depends on 8) The method of claim 8, wherein receiving, from the wireless device in response to the grant of uplink resources, the BSR and the sidelink BSR in a single MAC PDU comprises receiving a combined BSR, the combined BSR comprising a single sub-header component and indicating buffer status for both LTE logical channels and sidelink logical channels. ### Claim 16 (depends on 8) The method of claim 8, wherein: the BSR indicates an amount of data available for transmission in an uplink buffer associated with the wireless device; and the sidelink BSR indicates an amount of sidelink data available for transmission in a sidelink buffer of the wireless device. ### Claim 17 A wireless device, comprising: one or more processors configured to: send a scheduling request to a network node; receive, from the network node in response to the scheduling request, a grant of uplink resources; determine whether the granted uplink resources are at least equal to or larger than the resources required for transmission of both a buffer status report (BSR) and a sidelink BSR; and upon determining that the granted uplink resources are at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicate the BSR and the sidelink BSR to the network node in a single medium access control (MAC) protocol data unit (PDU). ### Claim 18 (depends on 17) The wireless device of claim 17, wherein the one or more processors are further configured to: upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicate the BSR and a truncated sidelink BSR to the network node in a single MAC PDU. ### Claim 19 (depends on 17) The wireless device of claim 17, wherein the one or more processors are further configured to: upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicate a truncated BSR and the sidelink BSR to the network node in a single MAC PDU. ### Claim 20 (depends on 17) The wireless device of claim 17, wherein the one or more processors are further configured to: upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating a truncated BSR and a truncated sidelink BSR to the network node in a single MAC PDU. ### Claim 21 (depends on 17) The wireless device of claim 17, wherein the one or more processors are further configured to, upon determining that the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR: determine an amount of additional resources needed to include the sidelink BSR in a subsequent uplink transmission; report, to the network node, an increased amount of data available for transmission, the increased amount of data available for transmission including the determined amount of additional resources needed to include the sidelink BSR in the subsequent uplink transmission; and communicate, in the subsequent uplink transmission, the sidelink BSR and the amount of data reported to be available for transmission. ### Claim 22 (depends on 17) The wireless device of claim 17, wherein the one or more processors configured to communicate the BSR and the sidelink BSR to the network node in a single MAC PDU comprise one or more processors configured to communicate a combined BSR, the combined BSR comprising a single sub-header component and indicating buffer status for both LTE logical channels and sidelink logical channels. ### Claim 23 (depends on 17) The wireless device of claim 17, wherein: the BSR indicates an amount of data available for transmission in an uplink buffer associated with the wireless device; and the sidelink BSR indicates an amount of sidelink data available for transmission in a sidelink buffer of the wireless device. ### Claim 24 A network node, comprising: one or more processors configured to: receive a scheduling request from a wireless device; send, in response to receiving the scheduling request, a grant of uplink resources to the wireless device; receive, from the wireless device in response to the grant of uplink resources, a buffer status report (BSR) and a sidelink BSR in a single medium access control (MAC) protocol data unit (PDU). ### Claim 25 (depends on 24) The network node of claim 24, wherein the granted uplink resources are at least equal to or larger than the resources required for transmission by the wireless device of both a BSR and a sidelink BSR. ### Claim 26 (depends on 24) The network node of claim 24, wherein: the granted uplink resources are not at least equal to or larger than the resources required for transmission by the wireless device of both the BSR and the sidelink BSR; and the received sidelink BSR comprises a truncated sidelink BSR, the truncated sidelink BSR indicating to the network node that the wireless device needs additional resources to report buffer status for one or more logical channels of logical channel groups for which buffer status was not reported. ### Claim 27 (depends on 26) The network node of claim 26, wherein the one or more processors are further configured to grant an amount of resources adjusted to allow the wireless device to report buffer status for the one or more logical channels of logical channel groups for which buffer status was not reported. ### Claim 28 (depends on 24) The network node of claim 24, wherein the granted uplink resources are not at least equal to or larger than the resources required for transmission by the wireless device of both the BSR and the sidelink BSR, and the received BSR comprises a truncated BSR, the truncated BSR indicating to the network node that the wireless device needs additional resources to complete buffer status reporting. ### Claim 29 (depends on 24) The network node of claim 24, wherein: the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR; the received BSR comprises a truncated BSR; and the received sidelink BSR comprises a truncated sidelink BSR. ### Claim 30 (depends on 24) The network node of claim 24, wherein the granted uplink resources are not at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, and the one or more processors are further configured to: receive a report from the wireless device indicating an amount of data available for transmission, the amount of data available for transmission increased based on an amount of additional resources determined by the wireless device to be needed to include the sidelink BSR in a subsequent uplink transmission; and grant sufficient uplink resources so that the wireless device can include both the sidelink BSR and the amount of data reported to be available for transmission. ### Claim 31 (depends on 24) The network node of claim 24, wherein the one or more processors configured to receive, from the wireless device in response to the grant of uplink resources, the BSR and the sidelink BSR in a single MAC PDU comprise one or more processors configured to receive a combined BSR, the combined BSR comprising a single sub-header component and indicating buffer status for both LTE logical channels and sidelink logical channels. ### Claim 32 (depends on 24) The network node of claim 24, wherein: the BSR indicates an amount of data available for transmission in an uplink buffer associated with the wireless device; and the sidelink BSR indicates an amount of sidelink data available for transmission in a sidelink buffer of the wireless device.