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Lekha Wireless Solutions DSP Engineer Interview Questions and Answers

Updated 8 Jun 2022

Lekha Wireless Solutions DSP Engineer Interview Experiences

2 interviews found

DSP Engineer Interview Questions & Answers

user image Anonymous

posted on 8 Jun 2022

I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Basics of wireless communication, PHY Layer Algorithm etc.
Round 3 - HR 

(1 Question)

  • Q1. Salary and project related discussions with senior manager

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on basics of wireless communication and signal processing

DSP Engineer Interview Questions & Answers

user image Anonymous

posted on 8 Jun 2022

I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Basics of OFDM, MIMO, Cahnnel estimation techniques etc...
Round 3 - HR 

(1 Question)

  • Q1. Discussion with upper management

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare fundamental of PHY Layer concept especially from signal processing point of view.

DSP Engineer Interview Questions Asked at Other Companies

Q1. Modulation and it's techniques

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - One-on-one 

(4 Questions)

  • Q1. What is polymorphism
  • Ans. 

    Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.

    • Polymorphism allows objects of different classes to be treated as objects of a common superclass.

    • It enables a single interface to be used for different data types or classes.

    • Examples include method overloading and method overriding in object-oriented programming.

  • Answered by AI
  • Q2. Find missing number from nth number array.
  • Ans. 

    Find missing number from nth number array.

    • Iterate through the array and calculate the sum of all numbers

    • Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

    • Subtract the sum of array from the sum of numbers from 1 to n to find the missing number

  • Answered by AI
  • Q3. Explain inheritance and it types
  • Ans. 

    Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

    • Inheritance allows a class to reuse code from another class.

    • Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

    • Example: Class B inherits from Class A, so Class B can access

  • Answered by AI
  • Q4. Find 2nd max elements from aaray
  • Ans. 

    Find 2nd max element from array of strings

    • Sort the array in descending order

    • Skip the first element (max element)

    • Return the second element

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at RV College Of Engineering (RVCE) and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It includes two DSA questions and some aptitude questions

Round 2 - One-on-one 

(3 Questions)

  • Q1. Introduce yourself
  • Q2. Give the maximum element at any point of time for after pop and push
  • Q3. Reverse a string
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Inheritance, Contructord, Polymorphism etc
Round 2 - Technical 

(1 Question)

  • Q1. Exception Handing, Datatypes, Unix, Sql
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. What are the network operator in india
  • Ans. 

    Some of the major network operators in India are Airtel, Vodafone Idea, Reliance Jio, and BSNL.

    • Airtel is one of the largest telecom operators in India, offering services like mobile, broadband, and digital TV.

    • Vodafone Idea is a merger of Vodafone India and Idea Cellular, providing mobile services across the country.

    • Reliance Jio is known for its 4G network and affordable data plans, disrupting the telecom market in Indi...

  • Answered by AI
  • Q2. What is 2G,3G and 4G
  • Ans. 

    2G, 3G, and 4G are generations of mobile network technology, each offering faster data speeds and improved capabilities.

    • 2G refers to second-generation mobile networks, providing basic voice and text services.

    • 3G is the third generation, offering faster data speeds for internet browsing and multimedia applications.

    • 4G is the fourth generation, delivering even faster data speeds, lower latency, and support for advanced ser...

  • Answered by AI
  • Q3. What are the type of tower structure ,GBT,RTTANDRTP
  • Ans. 

    GBT stands for Guyed Tower, RTT stands for Roof Top Tower, and RTP stands for Roof Top Pole.

    • GBT (Guyed Tower) is a type of tower structure supported by guy wires.

    • RTT (Roof Top Tower) is a tower structure installed on the roof of a building.

    • RTP (Roof Top Pole) is a pole structure installed on the roof of a building.

  • Answered by AI
  • Q4. Type of sim card
  • Ans. 

    The type of SIM card refers to the physical size and shape of the SIM card, such as standard, micro, or nano.

    • Types of SIM cards include standard, micro, and nano sizes

    • Standard SIM cards are the largest, micro SIM cards are smaller, and nano SIM cards are the smallest

    • Different devices may require different types of SIM cards

  • Answered by AI
  • Q5. What is alpha, beta and gamma sector
  • Ans. 

    Alpha, beta, and gamma sectors are divisions used in various industries to categorize different areas or components.

    • Alpha sector typically refers to the first or primary sector in a system or project

    • Beta sector usually represents the secondary or intermediate sector

    • Gamma sector often denotes the tertiary or final sector

    • These divisions can be used in project management, software development, manufacturing, etc.

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - One-on-one 

(1 Question)

  • Q1. Asked about my project related questions
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Generic dotnet questions mcq

Round 2 - One-on-one 

(1 Question)

  • Q1. .net, c# , sql , async questions
Round 3 - Coding Test 

One problem is given need to make logic and your current project details

Round 4 - Group Discussion 

Managerial round was taken at the end

Interview Preparation Tips

Interview preparation tips for other job seekers - They are very slow. They take really long time to release offer but want candidate to join immediately.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Array Linked list BST
Round 3 - Technical 

(1 Question)

  • Q1. Array LL BST Stack
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

General aptitude questions will be asked

Round 2 - Technical 

(1 Question)

  • Q1. Salesforce.com technical questions will be asked
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiation etc

Lekha Wireless Solutions Interview FAQs

How many rounds are there in Lekha Wireless Solutions DSP Engineer interview?
Lekha Wireless Solutions interview process usually has 3 rounds. The most common rounds in the Lekha Wireless Solutions interview process are Resume Shortlist, Technical and HR.
What are the top questions asked in Lekha Wireless Solutions DSP Engineer interview?

Some of the top questions asked at the Lekha Wireless Solutions DSP Engineer interview -

  1. Basics of wireless communication, PHY Layer Algorithm e...read more
  2. Basics of OFDM, MIMO, Cahnnel estimation techniques etc...read more

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