Granted Patent B2

US 12,640,828 · App. 18/231,438 · Granted May 26, 2026

Inventors: Zhen He (Shenzhen, CN); Shujuan Zhang (Shenzhen, CN); Yijian Chen (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN); Xinquan Ye (Shenzhen, CN); Shuqiang Xia (Shenzhen, CN)

Assignee: ZTE Corporation

H04B17/391H04L5/0048H04W24/10

Abstract

Claims (396)

1 . A method comprising:

determining, by a wireless communication device, a first set of reference signal (RS) resources, the first set of RS resources comprising RS resources for channel measurement;

sending, by the wireless communication device to a wireless communication node, a first channel information associated with the first set of RS resources,

wherein the first channel information comprises an indication of the first set of RS resources, the first channel information is included in channel state information (CSI), and the first set of RS resources includes: a set of channel state information reference signal (CSI-RS) resources or a set of synchronization signal block (SSB) resources, wherein the first channel information comprises an indication of a combined reference signal received power (RSRP), where the combined RSRP is computed as a sum of transmit power corresponding to each RS source of the first set of RS resources and a weight factor; and

determining, by the wireless communication device, the combined RSRP (Combined RSRP (k)) according to:

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

,

or

⁢

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

×

β

i

⁢

k

′

.

wherein η′ ik is the RSRP of a RS resource with index i in the first set of RS. β′ ik is weighted factor of the the RSRP of the RS resource with index i.

2 . The method of claim 1 , wherein the first channel information further comprises at least one of:

indicators of a second set of RS resources associated with the first set of RS resources, a first indication information, or

an indication of a combined signal-to-interference-plus-noise ratio (SINR).

3 . The method of claim 2 , wherein the first channel information further comprises the combined SINR, the method further comprising:

determining, by the wireless communication device, the combined SINR according to at least one of: a transmit power corresponding to the first set of RS resource, a total transmit power, or a noise power.

4 . The method of claim 3 , comprising:

determining, by the wireless communication device, the combined SINR (Combined_SINR(k)) according to:

Combined_SINR

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

ik

′

×

β

ik

′

P

max

×

(

∑

m

=

1

M

⁢

β

mk

-

∑

i

=

1

P

⁢

η

ik

′

×

β

ik

′

)

+

N

.

5 . The method of claim 2 , wherein the first channel information further comprises the first indication information, and wherein the first indication information is indicative of whether the first channel information includes the indicator of the first set of RS resources or the indicator of the second set of RS resources.

6 . The method of claim 2 , wherein the first channel information includes the indicators of the second set of RS resources, when the number of RS resources in the first set RS resources is larger than or equal to a threshold, wherein the threshold is equal to half of the number of the set of RS resources, or the threshold is indicated by a control signaling.

7 . The method of claim 1 , comprising:

determining, by the wireless communication device, the first set of RS resources according to at least one of: a set of RS resources for channel measurement, M, K, β, P max , η, T1, T2, or C, wherein:

M is a number of RS resources in the set of RS resources for channel measurement, or a number of access points (APs),

K is a number of user equipment (UEs) including the wireless communication device,

β is a channel large scale parameter associated with one of the first set of RS resources for channel measurement,

P max is a maximum transmit power for one of the set of RS resources for channel measurement, or a maximum transmit power for one of the APs,

η is a transmit power factor for one of the set of RS resources for channel measurement or a transmit power factor from one of the APs to one of the UEs,

T1 is a first predefined threshold,

T2 is a second predefined threshold, and

C is a predefined threshold that refers to a minimum number of RS resources included in the first set of RS resources.

8 . The method of claim 7 , comprising:

receiving, by the wireless communication device from the wireless communication node, information about at least one of the M, the K, the P max , the η, the T1, the T2, or the C.

9 . The method of claim 7 , wherein the first set of RS resources is determined according the β, the method further comprising:

determining, by the wireless communication device, the β according to G, wherein G refers to a channel response or matrix associated with one of the set of RS resources for channel measurement.

10 . The method of claim 9 , comprising:

determining, by the wireless communication device, the β:

as a function of the G, or

according to: β=(|G|) 2 .

11 . The method of claim 7 , wherein the first set of RS resources is determined according to the β, the method further comprising:

sorting, by the wireless communication device, values of the β for different RS resources of the first set of RS resources for channel measurement, according to size, into values of β′; and

selecting, by the wireless communication device, first P values of the values of the β′ to satisfy:

∑

i

=

1

P

⁢

β

ik

′

∑

m

=

1

M

⁢

β

mk

≥

T

1

,

and

⁢

P

≥

C

,

wherein k indicates that the wireless communication device is a k-th UE of the UEs, and i is an indicator of one RS resource of the set of RS resources for channel measurement, or an indicator of one of the APs.

12 . The method of claim 7 , wherein the first set of RS resources is determined according to the β, the method further comprising:

sorting, by the wireless communication device, values of the β for different resources of the first set of RS resources for channel measurement, according to size, into values of β′;

sorting, by the wireless communication device, values of the η to correspond to the sorted values of the β, into values of η′; and

selecting, by the wireless communication device, first P values of the values of the β′ and the values of the η′, to satisfy:

P

max

×

∑

i

=

1

P

⁢

η

ik

′

×

β

ik

′

P

max

×

(

∑

m

=

1

M

⁢

β

mk

-

∑

i

=

1

P

⁢

η

ik

′

×

β

ik

′

)

+

N

≥

T

2

,

P

≥

C

,

wherein k indicates that the wireless communication device is a k-th UE of the number of UE, and i is an indicator of one RS resource of the set of RS resources for channel measurement, or an indicator of one of the APs.

13 . The method of claim 1 , comprising:

sending, by the wireless communication device to the wireless communication node, the first channel information, responsive to an enable parameter.

14 . A method comprising:

receiving, by a wireless communication node from a wireless communication device, a first channel information associated with a first set of reference signal (RS) resources,

wherein the wireless communication device determines the first set of RS resources, and the first set of RS resources comprise RS resources for channel measurement,

wherein the first channel information comprises an indication of the first set of RS resources, the first channel information is included in channel state information (CSI), and the first set of RS resources includes: a set of channel state information reference signal (CSI-RS) resources or a set of synchronization signal block (SSB) resources, wherein the first channel information comprises as indication of a combined reference signal received power (RSRP), where the combined RSRP is computed as a sum of transmit power corresponding to each RS source of the first set of RS resources and a weight factor, and

wherein the wireless communication device determines the combined RSRP (Combined RSRP (k)) according to:

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

,

or

⁢

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

×

β

i

⁢

k

′

.

wherein η′ ik is the RSRP of a RS resource with index i in the first set of RS. β′ ik is weighted factor of the the RSRP of the RS resource with index i.

15 . A wireless communication device comprising:

at least one processor configured to:

determine a first set of reference signal (RS) resources, the first set of RS resources comprising RS resources for channel measurement; and

send, via a transmitter to a wireless communication node, a first channel information associated with the first set of RS resources,

wherein the first channel information comprises an indication of the first set of RS resources, the first channel information is included in channel state information (CSI), and the first set of RS resources includes: a set of channel state information reference signal (CSI-RS) resources or a set of synchronization signal block (SSB) resources, wherein the first channel information comprises an indication of a combined reference signal received power (RSRP), where the combined RSRP is computed as a sum of transmit power corresponding to each RS source of the first set of RS resources and a weight factor

determining, by the wireless communication device, the combined RSRP (Combined RSRP (k)) according to:

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

,

or

⁢

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

×

β

i

⁢

k

′

.

wherein η′ ik is the RSRP of a RS resource with index i in the first set of RS. β′ ik is weighted factor of the the RSRP of the RS resource with index i.

16 . A wireless communication node comprising:

at least one processor configured to:

receive, via a receiver from a wireless communication device, a first channel information associated with a first set of reference signal (RS) resources,

wherein the wireless communication device determines the first set of RS resources, and the first set of RS resources comprise RS resources for channel measurement,

wherein the first channel information comprises an indication of the first set of RS resources, the first channel information is included in channel state information (CSI), and the first set of RS resources includes: a set of channel state information reference signal (CSI-RS) resources or a set of synchronization signal block (SSB) resources, wherein the first channel information comprises an indication of a combined reference signal received power (RSRP) where the combined RSRP is computed as a sum of transmit power corresponding to each RS source of the first set of RS resources and a weight factor, and

wherein the wireless communication device determines the combined RSRP (Combined RSRP (k)) according to:

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

,

or

⁢

Combined_RSRP

⁢

(

k

)

=

P

max

×

∑

i

=

1

P

⁢

η

i

⁢

k

′

×

β

i

⁢

k

′

.

wherein η′ ik is the RSRP of a RS resource with index i in the first set of RS. β′ ik is weighted factor of the the RSRP of the RS resource with index i.

Assignments (1)

Continuity (2)

References Cited (26)